Dell OpenManage Software Version 8.5 Owner's manual

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Owner's manual

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Dell OpenManage SNMP Reference Guide Version 8.5
Notes, cautions, and warnings
NOTE: A NOTE indicates important information that helps you make better use of your product.
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the
problem.
WARNING: A WARNING indicates a potential for property damage, personal injury, or death.
Copyright © 2017 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its
subsidiaries. Other trademarks may be trademarks of their respective owners.
2017 - 03
Rev. A00
Contents
1 Introduction..................................................................................................................... 7
Supported SNMP Versions................................................................................................................................................. 7
Managed Object Used in This Document............................................................................................................................7
Server Administrator Instrumentation MIB..........................................................................................................................8
Server Administrator Baseboard Management Controller, ASF MIB....................................................................................9
Server Administrator Storage Management MIB................................................................................................................ 9
Server Administrator Field Replaceable Unit MIB.............................................................................................................. 10
Server Administrator Change Management MIB...............................................................................................................10
Basic Terminology.............................................................................................................................................................. 11
Frequently Used Terms in Variable Names......................................................................................................................... 11
Tables.................................................................................................................................................................................11
SNMP Tables............................................................................................................................................................... 11
Section Organization.........................................................................................................................................................13
Other Documents You May Need......................................................................................................................................13
Introduction to the Server Administrator SNMP Subagent................................................................................................13
Management Information Base Object Identiî‚€ers........................................................................................................14
SNMP Security........................................................................................................................................................... 15
SNMP Traps................................................................................................................................................................15
2 Server Administrator Group........................................................................................... 17
Instrumentation MIB Version Group.................................................................................................................................. 17
Management Information Base Major Version Number............................................................................................... 17
Management Information Base Minor Version Number...............................................................................................18
Management Information Base Maintenance Version Number....................................................................................18
Systems Management Software Group............................................................................................................................ 18
Systems Management Software.................................................................................................................................19
Systems Management Software Variable Values.........................................................................................................21
System State Group......................................................................................................................................................... 22
System State Group Table.......................................................................................................................................... 22
Chassis Information Group............................................................................................................................................... 36
Chassis Information Group Tables...............................................................................................................................36
Chassis Information Group Variable Values..................................................................................................................61
Operating System Group...................................................................................................................................................71
Operating System Memory Table................................................................................................................................ 71
System Resource Group...................................................................................................................................................73
System Resource Group Tables.................................................................................................................................. 73
System Resource Group Variable Values.................................................................................................................... 85
Power Group.................................................................................................................................................................... 87
Power Group Tables....................................................................................................................................................87
Power Group Variable Values......................................................................................................................................111
Thermal Group.................................................................................................................................................................118
3
Thermal Group Tables................................................................................................................................................118
Thermal Group Variable Values..................................................................................................................................126
Remote Flash BIOS Group.............................................................................................................................................. 128
Remote Flash BIOS Group Table............................................................................................................................... 128
Remote Flash BIOS Variable Values.......................................................................................................................... 130
Port Group.......................................................................................................................................................................131
Port Group Tables...................................................................................................................................................... 131
Port Group Variable Values........................................................................................................................................152
Device Group..................................................................................................................................................................155
Device Tables............................................................................................................................................................155
Device Group Variable Values....................................................................................................................................196
Slot Group.......................................................................................................................................................................218
System Slot Group Table...........................................................................................................................................218
System Slot Variable Values...................................................................................................................................... 221
Memory Group...............................................................................................................................................................225
Physical Memory Tables........................................................................................................................................... 225
Memory Group Variable Values.................................................................................................................................239
BIOS Setup Control Group............................................................................................................................................. 242
BIOS Setup Control Group Tables.............................................................................................................................242
BIOS Group Variable Values......................................................................................................................................263
Local Response Agent Group......................................................................................................................................... 269
LRA Group Tables.....................................................................................................................................................269
Local Response Agent Variable Values......................................................................................................................273
Cost of Ownership Group...............................................................................................................................................274
Cost of Ownership Group Tables.............................................................................................................................. 274
Cost of Ownership Variable Values...........................................................................................................................298
Cluster Group ................................................................................................................................................................299
Cluster Group...........................................................................................................................................................299
Cluster Group Variable Values................................................................................................................................... 301
Baseboard Management Controller Group..................................................................................................................... 302
Baseboard Management Controller Group Tables.....................................................................................................302
Baseboard Management Controller Group Variable Values........................................................................................310
Field Replaceable Unit Group.......................................................................................................................................... 312
Field Replaceable Unit Group Tables..........................................................................................................................313
Field Replaceable Unit Group Variable Values............................................................................................................315
3 Storage Management Group........................................................................................ 316
Storage Management Group...........................................................................................................................................316
Storage Management Information Group........................................................................................................................ 317
Global Data Group...........................................................................................................................................................318
Physical Devices Group...................................................................................................................................................321
Controller Table........................................................................................................................................................ 322
Channel Table...........................................................................................................................................................338
Enclosure Table........................................................................................................................................................ 342
Array Disk Table........................................................................................................................................................350
Array Disk Enclosure Connection Table.....................................................................................................................363
4
Array Disk Channel Connection Table.......................................................................................................................365
Fan Table..................................................................................................................................................................367
Fan Connection Table................................................................................................................................................371
Power Supply Table.................................................................................................................................................. 372
Power Supply Connection Table............................................................................................................................... 376
Temperature Probe Table.......................................................................................................................................... 377
Temperature Probe Connection Table....................................................................................................................... 381
Enclosure Management Module Table......................................................................................................................383
Enclosure Management Module Connection Table...................................................................................................386
Battery Table............................................................................................................................................................388
Battery Connection Table.........................................................................................................................................392
Tape Drive Table....................................................................................................................................................... 394
NVME adapter table................................................................................................................................................ 396
Logical Devices Group....................................................................................................................................................402
Virtual Disk Table......................................................................................................................................................402
Virtual Disk Partition.................................................................................................................................................409
Array Disk Logical Connection Table...........................................................................................................................411
Storage Management Event Group.................................................................................................................................413
4 Change Management Group........................................................................................ 416
Inventory Group.............................................................................................................................................................. 416
Device Group.................................................................................................................................................................. 416
Device Group Table................................................................................................................................................... 416
Application Group........................................................................................................................................................... 418
Application Group Table............................................................................................................................................ 418
Operating System Group................................................................................................................................................420
Inventory Collector Product Information.........................................................................................................................420
5 SNMP Traps................................................................................................................ 421
Trap Variables..................................................................................................................................................................421
Understanding The Trap Description.............................................................................................................................. 423
Understanding Trap Severity..........................................................................................................................................425
BMC Traps..................................................................................................................................................................... 426
6 Storage Management Alert Reference........................................................................ 429
Alert Monitoring and Logging......................................................................................................................................... 429
Viewing Alerts................................................................................................................................................................ 429
Alert Severity Levels...................................................................................................................................................... 429
SNMP Support for Storage Management Alerts............................................................................................................430
SNMP Trap Forwarding............................................................................................................................................430
SNMP Trap Deî‚€nitions.............................................................................................................................................430
Trap Variables...........................................................................................................................................................430
Viewing SNMP Traps..................................................................................................................................................... 433
Alert Descriptions and Corrective Actions...................................................................................................................... 433
7 Standard Data Type Deî‚€nitions................................................................................... 434
5
Common Data Types...................................................................................................................................................... 434
Variables with Data Types of State Capabilities and State Capabilities Unique................................................................434
Dell Status Data Types................................................................................................................................................... 435
Dell Date.........................................................................................................................................................................436
Full Dates................................................................................................................................................................. 436
8 SNMP Sample Output.................................................................................................438
6
1
Introduction
This reference guide provides information about the Simple Network Management Protocol (SNMP) Management Information Base
(MIB) which is applicable for Dell OpenManage.
NOTE: This guide contains information that may also be applicable to earlier OpenManage supported platforms.
This introduction is divided into two sections. The î‚€rst section, Introduction to SNMP Reference Guide, explains the SNMP
Reference Guide design. All essential Simple Network Management Protocol (SNMP) terms are deî‚€ned in this section. Some of the
vocabulary may seem complex and unfamiliar to system administrators who are using SNMP for the î‚€rst time. SNMP experts can
skim this section, and beginners can read the section more carefully.
The second section, Introduction to the Server Administrator SNMP Subagent, is a more technical introduction to the management
information base (MIB) that underlies Server Administrator services.
Supported SNMP Versions
Table 1. Supported SNMP Versions
Operating System Supported OMSA SNMP version
Windows SNMP v1
Linux SNMP v1
Managed Object Used in This Document
The MIB is divided into several major groups. The following table provides information about the MIB names, name of the agent that
uses each MIB and the purpose:
Table 2. Managed Object Used in This Document
MIB Name Agent / Hardware Supported Purpose of the MIB
10892.mib Server Administrator Provides the information about the systems monitored
by Server Administrator instrumentation software. This
is the primary MIB for PowerEdge systems.
dcs3fru.mib Server Administrator Provides the information about the system Field
Replaceable Unit (FRU) to SNMP management
applications.
dcstorag.mib Server Administrator Storage
Management
Provides the information about the storage hardware
components and RAID conî‚€gurations monitored by
Server Administrator.
iDRAC-SMIv1.mib iDRAC7 and iDRAC 8 Provides information about the SNMP data and traps
supported by iDRAC7 and iDRAC8. This is the SMIv1
version of the iDRAC MIB.
iDRAC-SMIv2.mib iDRAC7 and iDRAC 8 Provides information about the SNMP data and traps
supported by iDRAC7 and iDRAC8. This is the SMIv2
version of the iDRAC MIB.
7
MIB Name Agent / Hardware Supported Purpose of the MIB
dcs3rmt.mib Dell Remote Access controller 5 (DRAC
5)
Provides information about remote access components
monitored by the Server Administrator Remote Access
Service.
rac_host.mib Remote access out-of-band agent Provides information about the components monitored
by the remote access out-of-band software agent.
DELL-RAC-MIB.txt Chassis Management Controller (CMC) Provides information about components monitored by
the Chassis Management Controller for modular chassis.
This MIB is the legacy iDRAC MIB. Changes made in this
MIB are not for iDRAC. iDRAC does not support all the
objects and traps deî‚€ned in this MIB. The new and more
extensive iDRAC MIB is available for iDRAC7 and later
versions.
DcAsfSrv.mib Baseboard Management Controller
(BMC)
Provides information about Dell server Platform Event
Traps generated by the Baseboard Management
Controller.
For further details see Release Notes for Management Information Base readme_mibs.txt.
Server Administrator Instrumentation MIB
The Server Administrator Instrumentation MIB ( î‚€lename 10892.mib ) provides instrumentation data that allows you to monitor the
health of a system with SNMP management applications. It provides:
• Information about the status of temperatures, power supplies, voltages, currents, fans, and memory at key points in the system
• Rapid access to detailed fault and performance information gathered by industry standard systems management agents
• Version information for Basic Input/Output System (BIOS), rmware, and operating system
• A detailed account of every cost of ownership (COO) detail about your system
In addition, traps are sent to report a change in status of the health of critical components.
The Server Administrator Instrumentation MIB structures its MIB objects into groups of scalar objects or MIB tables that provide
related information. The below table describes each Server Administrator Instrumentation MIB group and lists the MIB group number
assigned to the MIB group. The Server Administrator Instrumentation MIB groups are identiî‚€ed by the SNMP OID
1.3.6.1.4.1.674.10892.1.<MIB group number>, where <MIB group number> is the MIB group number assigned to the MIB group. See
the relevant section for more information about the MIB objects deî‚€ned in a MIB group.
Table 3. Server Administrator Instrumentation MIB Sections in This Guide
Section Topics MIB Group Numbers
2 Instrumentation MIB Version Group — denes version numbers of the
Instrumentation MIB
1
3 Systems Management Software Group — denes information about the
systems management software and the supported systems management
standards
100
4 System State Group — denes status, state, and redundancy for a
system and its components
200
5 Chassis Information Group — denes chassis types, events, and
indicators
300
6 Operating System Group — denes variables for name, version, service
pack, and other information about a system’s operating system
400
7 System Resource Group — denes variables for input/output ports,
memory, interrupts, and direct memory access
500
8
Section Topics MIB Group Numbers
8 Power Group — denes variables for power units, power supplies, and
their current and voltage probes
600
9 Thermal Group — denes variables for temperature probes and cooling
devices
700
10 User Security Group — denes variables for creating and modifying user
accounts
800
11 Remote Flash BIOS Group — denes variables for updating the system’s
BIOS remotely
900
12 Port Group — denes variables for major port types such as keyboard,
monitor, small computer system interface (SCSI), Universal Serial Bus
(USB), and parallel and serial ports
1000
13 Device Group — denes variables for pointing, keyboard, processor,
cache, memory, and personal computer interface devices
1100
14 Slot Group — denes variables for the system’s slots 1200
15 Memory Group — denes variables for the system’s physical memory 1300
16 BIOS Setup Control Group — denes variables for BIOS functions such
as boot sequence, speakers, Wake on the local area network (LAN),
diskettes, ports, and network interface controllers (NIC)
1400
17 Local Response Agent Group — denes variables for global settings and
actions. These variables allow users to predetermine how the system
responds to a particular type of event
1500
18 Cost of Ownership Group — denes variables for tracking data on the
system’s service contract, lease, repair records, trouble tickets, and so on
1600
20 Cluster Group — denes variables for systems that operate as a cluster 1800
21 Baseboard Management Controller Group — provides information about
the Baseboard Management Controller (BMC) that may be present in
your system. In addition to providing general information about the BMC,
this group provides information about the serial and local area network
(LAN) interfaces of the BMC
1900
26 Traps — denes the types of alerts that can be sent to report the status
of critical components
5000
Server Administrator Baseboard Management Controller, ASF MIB
The Server Administrator BMC MIB (î‚€lename DcAsfSrv.mib) provides information about the traps sent by BMC. The Server
Administrator BMC MIB structures its MIB objects that provide related information. The BMC MIB groups are identiî‚€ed by the
SNMP OID 1.3.6.1.4.1.3183.1.1.<MIB group number>. The BMC MIB adheres to ASF 2.0 standard and hence the enterprise ID is wired
for management (3183).
Server Administrator Storage Management MIB
The Server Administrator Storage Management MIB (î‚€lename dcstorag.mib) provides storage management data that allows you to
monitor the health of storage resources with SNMP management applications.
The following table describes each Server Administrator Storage Management MIB group and lists the MIB group number assigned
to the MIB group. The Server Administrator Storage Management MIB groups are identiî‚€ed by the SNMP OID 1.3.6.1.4.1.674.<MIB
group number> where <MIB group number> is the MIB group number assigned to the MIB group. See the relevant section for more
information about the MIB objects deî‚€ned in a MIB group.
9
Table 4. Server Administrator Storage Management MIB Sections in This Guide
Section Topics MIB Group Numbers
23 Storage Management Group — consists of denitions for the following
MIB groups:
• Storage Management Group
• Storage Management Information Group
• Global Data Group
• Physical Devices Group
• Logical Devices Group
• Storage Management Event Group
• Software Group
10893
NA
20
NA
NA
130
140
NA
1
27 Storage Management Alert Reference — lets you monitor the health of
storage resources such as controllers, connectors, array disks, and virtual
disks
NA
Server Administrator Field Replaceable Unit MIB
The Server Administrator Field Replaceable Unit MIB (î‚€lename dcs3fru.mib) provides information about î‚€eld replaceable unit (FRU)
hardware that may be present in your system.
The Server Administrator Field Replaceable Unit MIB structures its MIB objects into groups of scalar objects or MIB tables that
provide related information. The following table describes each Server Administrator Field Replaceable Unit MIB group and lists the
MIB group number assigned to the MIB group. The Server Administrator Field Replaceable Unit MIB groups are identiî‚€ed by the
SNMP OID 1.3.6.1.4.1.674.10892.1.<MIB group number> where <MIB group number> is the MIB group number assigned to the MIB
group. See the relevant section for more information about the MIB objects deî‚€ned in a MIB group.
Table 5. Server Administrator Field Replaceable Unit MIB Sections in This Guide
Section Topic MIB Group Numbers
22 Field Replaceable Unit Group — provides information about eld
replaceable units that may be present in your system
2000
Server Administrator Change Management MIB
The Server Administrator Change Management MIB (î‚€lename dellcm.mib) provides management data that allows you to monitor the
inventory of devices and applications with SNMP management applications.
The following table describes each Server Administrator Change Management MIB group and lists the MIB group number assigned
to the MIB group. The Server Administrator Change Management MIB groups are identiî‚€ed by the SNMP OID 1.3.6.1.4.1.674.<MIB
group number> where <MIB group number> is the MIB group number assigned to the MIB group. See the relevant section for more
information about the MIB objects deî‚€ned in a MIB group.
Table 6. Server Administrator Change Management MIB Sections in This Guide
Section Topics MIB Group Number
24 Change Management Group - describes the
inventory data provided by the Change
Management MIB that allows users to monitor
10899
10
Section Topics MIB Group Number
devices and software present on a particular
managed computer chassis
Basic Terminology
It is important to have a good understanding of the key technical terms used in this guide. This guide provides deî‚€nitions for all
essential terms used in describing the Server Administrator MIBs. For deî‚€nitions on all essential terms and acronyms, see the
Glossary available on the Dell Support website at dell.com/support/manuals.
Frequently Used Terms in Variable Names
The following terms are frequently used in the name of a MIB variable:
Capability refers to the actions an object can perform, or to actions that can be taken by the object. Hot-pluggable is an example of
a capability. If a card is hot-pluggable, it can be replaced while a system is running. Capability settings refer to the capabilities of the
object that the user can select from and activate if desired. Capability settings allow users of the server administrator to
predetermine how an object behaves under speciî‚€c conditions.
Settings are the conditions of a manageable object that determine what happens when a certain value is detected in a component.
For example, a user can set the upper critical threshold of a temperature probe to 75 degrees Celsius. If the probe reaches that
temperature, the setting causes an alert to be sent to the management console. Some settings, when reached, can trigger a system
shutdown or other response to prevent damage to the system.
State refers to the condition of an object that has more than one condition. For example, an object may be in a not ready or in an
enabled state.
Status refers to the health of an object or how the object is functioning. For example, the status of a temperature probe that is
measuring acceptable temperatures would be reported as normal. When the probe begins reading temperatures that exceed limits
set by the user, it reports a critical status.
Tables
This reference guide contains two types of tables: tables that are used to organize and deî‚€ne variable values and tables that deî‚€ne
MIB objects. Readers must understand the diî‚„erence between these two types of tables.
SNMP Tables
Most of the MIB objects deî‚€ned in this reference guide are organized into SNMP tables. SNMP tables organize data into two-
dimensional structural arrays. In SNMP, objects that have a relationship to other objects are called columnar objects. Columnar
objects are objects used to form lists and tables. When a MIB group is divided into one or more discrete tables, the word table has a
technical meaning. An example is the section of this reference guide entitled Universal Unique Identiî‚€er (UUID). The UUID object has
a type and a value that uniquely identiî‚€es an object such as a chassis. The table deî‚€nes all of the variables that comprise the
managed object UUID.
The following table is an example of an SNMP table. The table contains variables that must occur in a deî‚€nite sequence. In the
example table the deî‚€ned variables are UUID Chassis Index, UUID Index, UUID Type, and UUID Value.
These objects comprise the Server Administrator deî‚€nitions for the UUID.
Table 7. UUID Table
Name
uUIDTable
Object ID 1.3.6.1.4.1.674.10892.1.300.20
11
Description Deî‚€nes the UUID table.
Syntax SEQUENCE OF UUIDTableEntry
Access Not accessible
Table 8. UUID Table Entry
Name
uUIDTableEntry
Object ID 1.3.6.1.4.1.674.10892.1.300.20.1
Description Deî‚€nes the UUID table entry.
Syntax UUIDTableEntry
Access Not accessible
Index
uUIDIndex
,
uUIDchassisIndex
Table 9. UUID Chassis Index
Name
uUIDchassisIndex
Object ID 1.3.6.1.4.1.674.10892.1.300.20.1.1
Description Deî‚€nes the index (one-based) of this chassis.
Syntax DellObjectRange
Access Read-only
Table 10. UUID Index
Name
uUIDIndex
Object ID 1.3.6.1.4.1.674.10892.1.300.20.1.2
Description Deî‚€nes the index of the UUID in a speciî‚€ed chassis.
Syntax DellObjectRange
Access Read-only
Table 11. UUID Type
Name
uUIDType
Object ID 1.3.6.1.4.1.674.10892.1.300.20.1.3
Description Deî‚€nes the type of the UUID for this chassis.
Syntax DellUUIDType
Access Read-only
Table 12. UUID Value
Name
uUIDValue
Object ID 1.3.6.1.4.1.674.10892.1.300.20.1.4
Description Deî‚€nes the value of the UUID for this chassis.
12
Syntax Octet String (SIZE[16])
Access Read-only Read-only
Section Organization
Sections in this reference guide are based on the Server Administrator MIBs, so the complexity of each section depends on the
complexity of each MIB group. The î‚€rst section provides a high-level introduction to the MIB group. If the group is deî‚€ned by one or
more tables, the second section lists these tables. The third section documents the variables that comprise the group, and if
applicable, the variables that comprise the tables. The fourth section contains deî‚€nitions for any Server Administrator-speciî‚€c
variables that are used in the section. The following example shows the typical content of these four sections:
1. BIOS Setup Control Group — This section explains the purpose of the MIB group and summarizes the major features of the
component groups.
2. BIOS Group Tables — If there is more than one SNMP table for a group, this section lists all of the tables. For this BIOS group
example, there are eight tables listed. In each section, double-clicking any table on the list takes you to that table.
• BIOS Setup Control Table
• SCSI Control Table
• Parallel Port Control Table
• Serial Port Control Table
• USB Control Table
• IDE Control Table
• Diskette Control Table
• Network Interface Control Table
3. Variables that make up each table in the group — This section documents the variables for the eight tables that comprise the
BIOS group.
4. BIOS Variable Values — This section explains any Server Administrator-specic variables and data types that are used in this
section. In the BIOS group example, there are 17 unique, Server Administrator-speciî‚€c variable meanings. Information on each
Server Administrator-speciî‚€c variable is presented in a formatted table.
Other Documents You May Need
In addition to this guide, you can access the following guides available on the Dell Support website at dell.com/support/manuals. On
the Manuals page, click Software Systems Management. Click the appropriate product link on the right-side to access the
documents.
• The Server Administrator Messages Reference Guide lists the messages that you can receive on your systems management
console or on your operating system’s event viewer. This guide explains the text, severity, and cause of each message that the
server administrator issues.
• The Server Administrator CIM Reference Guide documents the Common Information Model (CIM) provider, an extension of the
standard management object format (MOF) î‚€le. The Server-Administrator CIM provider documents supported classes of
management objects.
• The Glossary provides information on the terms used in this document.
Introduction to the Server Administrator SNMP Subagent
This guide provides formatted information drawn primarily from the MIB î‚€les written for the Server Administrator services that
support the SNMP protocol.
For each of the variables deî‚€ned in the MIBs, the following î‚€elds are speciî‚€ed:
• Variable name
• OID or unique identifying number
13
• Description
• Data type of the variable (for example: integer, string, octet string)
• Whether the variable is accessible, not accessible, or read-only
• Index or indexes, if applicable
For each MIB group that has unique variable deî‚€nitions, tables are included in the last section of the section to explain the meaning
of the terms.
Standards for writing MIBs are deî‚€ned by the Internet Engineering Task Force (IETF). Structure of Management Information (SMI)
is a standard that speciî‚€es the rules for deî‚€ning the structure and type of managed objects and events in a MIB. SMIv1 is speciî‚€ed
in Request For Comments (RFC) 1155. The Server Administrator MIB conforms to the SMIv1 standard.
SNMP is a systems management standard originally designed for network management. SNMP manages much more than networks.
Information Technology (IT) professionals use SNMP for monitoring and managing computer systems and the various components
and peripherals supported by their systems.
SNMP standards are deî‚€ned by the Internet Engineering Task Force (IETF). SNMP version 1 was published in August 1988 and is the
most commonly supported version of SNMP. SNMP version 2 was î‚€rst published in May 1993, but has not gained widespread
market acceptance. SNMP version 3 was recently completed and has addressed security issues that exist in version 1.
All SNMP systems consist of one or more managed systems that provide data through an SNMP agent to a management system.
The management system provides a user interface to view data from the managed systems. The management system and managed
systems communicate over a network (typically through User Datagram Protocol/Internet Protocol [UDP/IP]).
The management system and a managed system communicate by means of a common data schema. SNMP MIB î‚€les deî‚€ne the
structure, type, and values of the SNMP data. While MIBs can be standardized or enterprise speciî‚€c, most operating systems supply
SNMP agents for the standard MIB-I and MIB-II schemas. MIB-I deî‚€nes a base set of standard management information for
systems implementing the Internet Protocol (IP) suite. MIB-II deî‚€nes characteristics of the system, characteristics of network
interfaces, and characteristics of components of the IP on the system. In addition to the standard MIBs, many hardware vendors
have deî‚€ned MIBs that provide management data speciî‚€c to their systems and peripheral devices.
Monitored data can be retrieved through SNMP using the Get command. Typically, this command requires the host name or IP
address of the target machine as well as the OID of the data to retrieve. Exact details are dependent on the operating system and
the development tools being used to create the management application. The Get command has a variant known as GetNext.
Management Information Base Object Identiî‚€ers
Each data class within a Management Information Base (MIB) is deî‚€ned by an Object Identiî‚€er (OID). OIDs are unique across all
MIBs. An OID consists of a series of digits separated by periods. The OID functions in a similar fashion to a phone number. The phone
number 011-512-471-0000 uniquely identiî‚€es a single phone. The phone number can be broken down into a number of components
to uniquely identify a phone. The î‚€rst component, 011, is the country code for the United States. The second component, 512,
identiî‚€es the area code for central Texas. The third component, 471, is the phone exchange for a large state university in the city of
Austin. The î‚€nal component, 0000, is the main switchboard.
There are two main diî‚„erences between the phone number example and an actual OID. The î‚€rst diî‚„erence is that there are many
more components in an OID, up to 128. The combination of these components is called an OID preî‚€x. The second diî‚„erence is that
OIDs support the concept of indexes or keys. The OID preî‚€x speciî‚€es the data class but does not specify an instance of the data
within the class. Indexes can be used to identify the instances of a data class. These indexes are referred to as the OID suî‚…x.
The assignment of values for each OID preî‚€x component can be illustrated by using a tree structure. The following is an example of
an OID assignment:
Table 13. ROOT
CCITT(0)
ISO(1)
14
ORG(3)
DOD(6)
INTERNET(1)
MGMT(2)
MIB(1)
EXPERIMENTA
L(3)
PRIVATE(4)
ENTERPRISES(1
)
DELL (674)
SNMPv2(6)
In the preceding example, the OID preî‚€x for the Dell enterprise would be 1.3.6.1.4.1.674.
The numbers in boldface type show the categories and numbers that apply to Server Administrator. All Server Administrator-deî‚€ned
OIDs consist of 1.3.6.1.4.1.674 followed by additional component values.
SNMP Security
SNMP version 1 has a very limited security mechanism. SNMP agents support the use of a community string, which is conî‚€gured at
each SNMP agent and is passed as a part of all SNMP request messages. There is no veriî‚€cation that the requester is actually a
member of the speciî‚€ed community. As most system and network management data is not conî‚€dential, this limited security is
acceptable for Get types of requests. On the other hand, this security is not acceptable for Set types of operations where an SNMP
request could power oî‚„ a system, reconî‚€gure a redundant array of independent disks (RAID) card, and so on. Dell has chosen not to
support SNMP Set operations for this reason.
NOTE: The default SNMP agent conî‚€guration usually includes a SNMP community name such as public. For security
reasons, change the SNMP community names from their default values. For information about changing SNMP
community names, see the
Dell OpenManage Server Administrator User’s Guide
available on the Dell Support website at
dell.com/openmanagemanuals.
NOTE: As of iDRAC7 î‚€rmware release r1.30.30, iDRAC7 supports SNMP query operations (GET, GETNEXT, GETBULK)
via the SNMPv3 protocol, in addition to supporting query operations via the SNMP v1 and SNMP v2c protocols. More
speciî‚€cally, iDRAC7 now supports the SNMP User Security Model (USM).
SNMP Traps
SNMP is frequently used to monitor systems for fault conditions such as temperature violations, hard drive failures. Management
applications can monitor for these conditions by polling the appropriate OIDs with the Get command and analyzing the returned
data. This method has its drawbacks. If it is done frequently, signiî‚€cant amounts of network bandwidth can be consumed. If it is
done infrequently, the response to the fault condition may not occur in a timely fashion. SNMP traps avoid these limitations of the
polling method.
An SNMP trap is an asynchronous event indicating that something signiî‚€cant has occurred. This is analogous to a pager receiving an
important message, except that the SNMP trap frequently contains all the information needed to diagnose a fault.
Two drawbacks to SNMP traps are that they are sent using UDP, which is not a guaranteed delivery mechanism, and that they are
not acknowledged by the receiver.
An SNMP trap message contains the trap’s enterprise OID, the agent IP address, a generic trap ID, the specic trap ID, a time stamp,
and zero or more variable bindings (varbinds). The combination of an enterprise OID and a speciî‚€c trap ID uniquely identiî‚€es each
Server Administrator-deî‚€ned trap. A varbind consists of an OID and its value and provides additional information about the trap.
15
In order for a management system to receive SNMP traps from a managed system, the node must be conî‚€gured to send traps to
the management system. Trap destination conî‚€guration depends on the operating system. When this conî‚€guration is done, a
management application on the management system can wait for traps and act on them when received.
NOTE: For information on Server Administrator Storage Management traps, see in Storage Management Alert
Reference, the Alert Descriptions and Corrective Actions.
NOTE: For the list of storage management alerts and storage management messages, see the
Dell OpenManage Server
Administrator Messages Reference Guide
available on the Dell Support site at dell.com/openmanagemanuals navigate to
OpenManage Software and select the version required.
16
2
Server Administrator Group
The Server Administrator group comprises of the following sections:
• Instrumentation MIB Version Group
• Systems Management Software Group
• System State Group
• Chassis Information Group
• Operating System Group
• System Resource Group
• Power Group
• Thermal Group
• Remote Flash BIOS Group
• Port Group
• Device Group
• Slot Group
• Memory Group
• BIOS Setup Control Group
• Local Response Agent Group
• Cost of Ownership Group
• Cluster Group
• Baseboard Management Controller Group
• Field Replaceable Unit Group
Instrumentation MIB Version Group
The Instrumentation Management Information Base (MIB) Version Group deî‚€nes the attributes that identify the version of the
Instrumentation MIB supported by the systems management software.
The mIBMajorVersionNumber, mIBMinorVersionNumber, and mIBMaintenanceVersionNumber attributes are scalar objects, meaning
that they are not related to other MIB objects and are thus not placed in a table.
Management Information Base Major Version Number
Table 14. Management Information Base Major Version Number
Name
mIBMajorVersionNumber
Object ID 1.3.6.1.4.1.674.10892.1.1.1.0
Description Deî‚€nes the major version number of the version of this MIB supported by the systems
management software. For example, if the MIB version is 1.2.3, the major version number is
1.
A major version number change indicates a major change in object functionality.
17
Syntax DellUnsigned8BitRange
Access Read-only
Management Information Base Minor Version Number
Table 15. Management Information Base Minor Version Number
Name
mIBMinorVersionNumber
Object ID 1.3.6.1.4.1.674.10892.1.1.2.0
Description Deî‚€nes the minor version number of the version of this MIB supported by the systems
management software. For example, if the MIB version is 1.2.3, the minor version number is
2.
A minor revision provides additional support for new objects as well as problem î‚€xes.
Syntax DellUnsigned8BitRange
Access Read-only
Management Information Base Maintenance Version Number
Table 16. Management Information Base Maintenance Version Number
Name
mIBMaintenanceVersionNumber
Object ID 1.3.6.1.4.1.674.10892.1.1.3.0
Description Deî‚€nes the maintenance version number for the version of this MIB supported by the
systems management software. For example, if the MIB version is 1.2.3, the maintenance
version number is 3.
Syntax DellUnsigned8BitRange
Access Read-only
Systems Management Software Group
The Systems Management Software Group allows users to see information about the standards and software that are supported by
the agent of a particular managed computer chassis. The Systems Management Software Group classiî‚€es each computer chassis
according to the systems management standard that the agent supports.
Additional objects deî‚€ne the universal resource locator (URL) of the systems management software and the language in which
systems management information displays. Deî‚€ning these objects enables users to manage a system using an internet browser. You
can access Server Administrator using the secure hypertext transfer protocol (https) and a pre-assigned port number of 1311, or you
can specify a port number of your own choosing.
NOTE: Using the Software → Server Preferences menu of Server Administrator, you can bind to either one IP address or
to all IP addresses.
To manage a system locally using Server Administrator, type the following in the address î‚€eld of your browser: https://localhost:<1311
or user-speciî‚€ed port number>
To manage a system remotely using Server Administrator, type one of the following in the address î‚€eld of your browser:
https://<systemname>:<1311 or user speciî‚€ed port number> or https://<IP address>:<1311 or user speciî‚€ed port number>
18
Systems Management Software
The following objects describe the î‚€elds for server administrator systems management information. The systems management
software variables are scalar objects, meaning that they are not related to other management information base (MIB) objects and are
thus not placed in a table.
Table 17. Systems Management Software Name
Name
systemManagementSoftwareName
Object ID 1.3.6.1.4.1.674.10892.1.100.1
Description Deî‚€nes the systems management software product name.
Syntax DellString
Access Read-only
Table 18. Systems Management Software Version Number Name
Name
systemManagementSoftwareVersionNumberName
Object ID 1.3.6.1.4.1.674.10892.1.100.2
Description Deî‚€nes the version number of the systems management software.
Syntax DellString
Access Read-only
Table 19. Systems Management Software Build Number
Name
systemManagementSoftwareBuildNumber
Object ID 1.3.6.1.4.1.674.10892.1.100.3
Description Deî‚€nes the build number of the systems management software.
Syntax DellUnsigned16BitRange
Access Read-only
Table 20. Systems Management Software Description Name
Name
systemManagementSoftwareDescriptionName
Object ID 1.3.6.1.4.1.674.10892.1.100.4
Description Deî‚€nes the description of the systems management software.
Syntax DellString
Access Read-only
Table 21. Systems Management Software Supported Protocol
Name
systemManagementSoftwareSupportedProtocol
Object ID 1.3.6.1.4.1.674.10892.1.100.5
Description Deî‚€nes the systems management standards (SNMP or CIM) supported by the systems
management software.
Syntax SMSSupportedTypes (Systems Management Software Supported Standards)
Access Read-only
19
Table 22. Systems Management Software Preferred Protocol
Name
systemManagementSoftwarePreferredProtocol
Object ID 1.3.6.1.4.1.674.10892.1.100.6
Description Deî‚€nes the preferred systems management standard for the systems management
software.
Syntax SMSSupportedTypes (Systems Management Software Supported Standards)
Access Read-only
Table 23. Systems Management Software Update Level Name
Name
systemManagementSoftwareUpdateLevelName
Object ID 1.3.6.1.4.1.674.10892.1.100.7
Description Deî‚€nes the update level of the system management software.
Syntax DellString
Access Read-only
Table 24. Systems Management Software URL Name
Name
systemManagementSoftwareURLName
Object ID 1.3.6.1.4.1.674.10892.1.100.8
Description Deî‚€nes the universal resource locator (URL) of the systems management software.
Syntax DisplayString (SIZE (0..1024))
Access Read-only
Table 25. Systems Management Software Language Name
Name
systemManagementSoftwareLanguageName
Object ID 1.3.6.1.4.1.674.10892.1.100.9
Description Deî‚€nes the language of the systems management software.
Syntax DisplayString (SIZE (0..255))
Access Read-only
Table 26. Systems Management Software Global Version Name
Name
systemManagementSoftwareGlobalVersionName
Object ID 1.3.6.1.4.1.674.10892.1.100.10
Description Deî‚€nes the global version of the systems management software.
Syntax DellString
Access Read-only
Table 27. Systems Management Software Feature Flags
Name
systemManagementSoftwareFeatureFlags
Object ID 1.3.6.1.4.1.674.10892.1.100.11
Description Deî‚€nes the features of the systems management software.
Syntax SMSFeatureFlags (Systems Management Software Feature Flags)
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Dell OpenManage Software Version 8.5 Owner's manual

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