Symantec FileStore N8300 Product Description Manual

Brand: Symantec

Model: FileStore N8300

Category: Network switches

Type: Product Description Manual

Symantec FileStore N8300 (Software Release 5.6) Clustered NAS

Storage System

V100R002

Product Description Guide

Issue 01

Date 2011-05-05

Symantec Corporation

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Contents

1 Positioning and Features..........................................................................................................1-1

1.1 Product Positioning.........................................................................................................................................1-2

1.2 Product Features..............................................................................................................................................1-3

2 System Architecture...................................................................................................................2-1

2.1 System Architecture........................................................................................................................................2-2

2.2 Hardware Architecture....................................................................................................................................2-3

2.3 Software Architecture.....................................................................................................................................2-6

3 Application Scenarios...............................................................................................................3-1

3.1 Configuration Modes.......................................................................................................................................3-2

3.2 Application Scenarios.....................................................................................................................................3-4

4 Product Configuration...............................................................................................................4-1

4.1 Introduction to Configuration..........................................................................................................................4-2

4.2 Typical Configuration.....................................................................................................................................4-6

5 Routine Maintenance and Troubleshooting.........................................................................5-1

5.1 Product Routine Maintenance.........................................................................................................................5-2

5.1.1 Introduction to Routine Maintenance.....................................................................................................5-2

5.1.2 Introduction to Remote Access..............................................................................................................5-3

5.1.3 Maintenance Features.............................................................................................................................5-5

5.2 Product Troubleshooting.................................................................................................................................5-5

6 Technical Indexes.......................................................................................................................6-1

6.1 Specifications..................................................................................................................................................6-2

6.1.1 Product Configuration Information........................................................................................................6-2

6.1.2 Performance Parameters.........................................................................................................................6-3

6.1.3 Function Parameters...............................................................................................................................6-4

6.1.4 Power Parameters...................................................................................................................................6-5

6.1.5 Dimensions and Weight.........................................................................................................................6-6

6.2 Environmental Requirements..........................................................................................................................6-8

6.2.1 Temperature and Humidity....................................................................................................................6-8

6.2.2 Altitude...................................................................................................................................................6-8

6.2.3 Noise.......................................................................................................................................................6-9

7 Standard Compliance................................................................................................................7-1

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7.1 Protocol Standards...........................................................................................................................................7-2

7.2 Safety and EMC Standards.............................................................................................................................7-3

7.3 Industrial Standards.........................................................................................................................................7-3

Contents

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Figures

Figure 1-1 Possible networking applications of the N8300.................................................................................1-3

Figure 2-1 Appearance of the N8300...................................................................................................................2-3

Figure 2-2 Appearance of the clustered NAS engine node..................................................................................2-4

Figure 2-3 Appearance of the S5500 or S5600 enclosure....................................................................................2-4

Figure 2-4 Appearance of the S2600 enclosure...................................................................................................2-5

Figure 2-5 Appearance of the Ethernet switch for the heartbeat network............................................................2-5

Figure 2-6 Appearance of the FC switch for the storage network.......................................................................2-6

Figure 2-7 NAS software and application architecture........................................................................................2-7

Figure 3-1 N8300 component decomposition diagram (two clustered NAS engine nodes with one S5500)......3-2

Figure 3-2 N8300 component decomposition diagram (four clustered NAS engine nodes with two S5500s)

...............................................................................................................................................................................3-3

Figure 3-3 N8300 component decomposition diagram (four clustered NAS engine nodes with two S2600s)

...............................................................................................................................................................................3-4

Figure 3-4 Networking of the large-scale computing storage applications..........................................................3-5

Figure 3-5 Networking of applications using both NAS and SAN......................................................................3-5

Figure 3-6 Diagram of a tiered storage application..............................................................................................3-6

Figure 3-7 Networking scenario when NetBackup is used for backup ...............................................................3-7

Figure 3-8 Networking for remote disaster recovery...........................................................................................3-8

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Tables

Table 4-1 NAS service configuration items.........................................................................................................4-2

Table 4-2 SAN service configuration items.........................................................................................................4-5

Table 5-1 Items and periods for routine maintenance..........................................................................................5-2

Table 5-2 Tools for routine maintenance.............................................................................................................5-3

Table 5-3 Recommended remote access solutions...............................................................................................5-4

Table 6-1 Supported configurations of the N8300...............................................................................................6-2

Table 6-2 Performance parameters of the N8300.................................................................................................6-3

Table 6-3 Function parameters of the N8300.......................................................................................................6-4

Table 6-4 Power parameters of the clustered NAS engine node (with a single power module)..........................6-5

Table 6-5 Power parameters of the S5000 series storage system (with a single power module).........................6-5

Table 6-6 Power parameters of the S2600 storage system (with a single power module)...................................6-5

Table 6-7 Power parameters of the Ethernet switch (with a single power module).............................................6-6

Table 6-8 Power parameters of the Fibre Channel (FC) switch...........................................................................6-6

Table 6-9 Dimensions and weight of the SC611–20 cabinet...............................................................................6-6

Table 6-10 Dimensions and weight of the clustered NAS engine node...............................................................6-6

Table 6-11 Dimensions and weight of the S5000 series storage system..............................................................6-7

Table 6-12 Dimensions and weight of the S2600 storage system........................................................................6-7

Table 6-13 Dimensions and weight of the Ethernet switch..................................................................................6-7

Table 6-14 Dimensions and weight of the Fibre Channel (FC) switch................................................................6-8

Table 6-15 Requirements on temperature and humidity......................................................................................6-8

Table 6-16 Requirements on altitude....................................................................................................................6-9

Table 6-17 Noise parameters................................................................................................................................6-9

Table 7-1 Protocol standards the N8300 complied with......................................................................................7-2

Table 7-2 Safety and EMC standards followed by the N8300.............................................................................7-3

Table 7-3 Industrial standards the N8300 complied with.....................................................................................7-3

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1 Positioning and Features

About This Chapter

This section describes the positioning and features of the N8300 Clustered NAS Storage System

(hereinafter referred to as the N8300).

1.1 Product Positioning

This chapter describes the positioning of the N8300.

1.2 Product Features

This chapter describes the features of the N8300.

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1.1 Product Positioning

This chapter describes the positioning of the N8300.

Network Attached Storage (NAS) is a storage methodology where data is accessed over the

network - primarily Ethernet. Ongoing developments in IP technology have caused more users

to select NAS devices to store mass data.

The N8300 is a clustered NAS storage system and features efficient data sharing and flexible

scalability. The N8300 can be used for different industries, such as finance, government,

petroleum and natural gas, health and life sciences, manufacturing, and e-discovery.

Potential application scenarios for the N8300 are listed as follows:

l Video and audio sharing and downloading over the Internet and large-scale Local Area

Networks (LANs)

l Video surveillance and satellite images used by governments

l Risk analysis, securities, finance derivative transactions, and file image for the financial

industry

l Video recording, editing, processing, and playing in the media and entertainment industry

Figure 1-1 shows potential networking scenarios for the N8300.

1 Positioning and Features

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Figure 1-1 Possible networking applications of the N8300

1.2 Product Features

This chapter describes the features of the N8300.

A conventional NAS device is configured with one or two controllers, limiting the storage

capacity and performance. High throughput applications highlight this architectural weakness.

l Scalability

The conventional NAS device has limited capacity and performance, and thus multiple

NAS devices are required for mass capacity or high performance. Meanwhile, data cannot

be shared between these NAS devices, which makes device management and maintenance

difficult.

In this data-isolated environment, uneven access frequencies may occur. This leads to a

performance bottleneck.

l Availability

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Traditional NAS devices function in an Active-Passive failover manner. If a failure occurs,

the storage volumes and network settings are migrated to the alternate node. This failover

can take a long time, impacting service continuity.

To overcome the disadvantages of conventional NAS devices, the N8300 integrates NAS and

cluster technologies, providing the NAS storage system with high-availability and scalability.

The N8300 has the following features:

l High scalability

– Expanding the bandwidth for sequential read/write, and the performance of data query

and random read/write of small-block data

– Expanding the storage capacity

– Enhancing flexibility: enabling different applications to concurrently access the same

or different data

l High performance

– Providing multiple service ports

– Providing expandable CPUs and caches

– Realizing service provisioning by multiple storage controllers

l High availability

– Providing "always on" file service for implementing continuous services for key

enterprises data

– Supporting active-active NFS and CIFS, reporting, failover, and recovery

NOTE

For details on the system and the services available, see the FileStore N8300 Clustered NAS Storage System

Feature Description.

1 Positioning and Features

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2 System Architecture

About This Chapter

This chapter describes the product structure of the N8300, including the software structure and

the hardware structure.

2.1 System Architecture

This chapter describes the appearance and system architecture of the N8300.

2.2 Hardware Architecture

This chapter describes the hardware architecture of the N8300.

2.3 Software Architecture

This chapter describes the software architecture of the N8300.

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2.1 System Architecture

This chapter describes the appearance and system architecture of the N8300.

Figure 2-1 shows the appearance of the N8300. The N8300 has the following components:

l System cabinet

– Clustered NAS engine node

– Ethernet switch

– Fibre Channel (FC) switch

– Storage units

– Power distribution device of the cabinet

l Disk cabinet

– Storage unit

– Power distribution device of the cabinet

l User management sub-systems (UMSSs)

2 System Architecture

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Figure 2-1 Appearance of the N8300

2.2 Hardware Architecture

This chapter describes the hardware architecture of the N8300.

Clustered NAS Engine Node

The clustered NAS engine of the N8300 supports two to six nodes and automatic failover and

failback among nodes.

Figure 2-2 shows the appearance of the clustered NAS engine node.

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Figure 2-2 Appearance of the clustered NAS engine node

Storage Unit

You can choose a preferred controller enclosure from three controller enclosure models of the

storage unit. These models provide different performances, capacities, interfaces, and expansion

capabilities.

Figure 2-3 and Figure 2-4 shows the appearance of the storage unit.

Figure 2-3 Appearance of the S5500 or S5600 enclosure

2 System Architecture

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Figure 2-4 Appearance of the S2600 enclosure

Switch

with more than 2 nodes requires two Ethernet switches to connect the network ports used for

the heartbeat network. Figure 2-5 shows the appearance of the Ethernet switch.

NOTE

If the N8300 has only two nodes, the two nodes are directly connected over the heartbeat network.

Figure 2-5 Appearance of the Ethernet switch for the heartbeat network

For applications that connect the clustered NAS engine to the storage unit, you can configure

two Fibre Channel (FC) switches for providing redundant links between the clustered NAS

engine nodes and the storage units. Figure 2-6 shows the appearance of the FC switch.

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Figure 2-6 Appearance of the FC switch for the storage network

2.3 Software Architecture

This chapter describes the software architecture of the N8300.

Overview

The N8300 uses the 64-bit operating system. The software architecture is comprised of the

Cluster File System (CFS) and Cluster Volume Manager (CVM) at the core layer, and all types

of NAS applications at the user layer. Figure 2-7 shows the application architecture.

2 System Architecture

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Figure 2-7 NAS software and application architecture

Application Software

The N8300 uses the following application software when deployed on the SAN, including:

l UltraPath

UltraPath is a set of path management software. UltraPath controls the access from

application server to the storage unit, selects the optimal path, and guarantees the reliability

and security during data transfer between the application server and the storage unit.

UltraPath manages paths between the application server and the storage unit, and provides

a simple and efficient path management solution for users. Software functions include:

– Selection of paths between the application server and the storage unit

UltraPath is loaded as a kernel module and registered as a virtual storage unit in the

operating system. The application server communicates with the storage unit through

the path selected by UltraPath.

– Failover

Failover refers to service switchover upon failure. To ensure reliable data transfer,

multiple paths are required between the application server and the storage unit. When

the primary path fails, the failover function of UltraPath automatically switches services

over to the backup path, avoiding service interruptions due to a single-point failure.

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– Failback

Failback refers to switching the services back to the primary (preferred) path. When the

primary path is recovered, the failback function of UltraPath automatically switches the

services from the backup path back to the primary path.

– Load balancing

Load balancing refers to balancing I/O loads among paths. It is designed to share

network traffic and expand the bandwidth, thus enabling multiple paths to carry the I/

O traffic that is to the same destination. Load balancing applies only when a controller

has two or more paths to the application servers. The I/O data packets are carried among

the paths evenly to achieve load balancing.

l HyperImageAgent

HyperImageAgent helps the storage system quickly capture online data to create copies for

the source data without a service interruption. When creating a snapshot, HyperImageAgent

selects different snapshot policies according to different application scenarios, its functions

include:

– Providing the periodic snapshot function by using the task scheduling program crontab

of the operating system

– Ensuring the consistency of application data and achieving the value-added functions

of the storage system by cooperating with the AppProxy software

– Ensuring the consistency of multiple applications

l HyperMirrorAgent

HyperMirrorAgent supports asynchronous remote replication and protects users' data

against the losses caused by disasters. When creating asynchronous remote replication,

HyperMirrorAgent selects different remote application policies according to different

application scenarios, its functions include:

– Providing the periodic remote replication function by using the task scheduling program

crontab of the operating system

– Ensuring the consistency of application data and achieving the value-added functions

of the storage system by cooperating with the AppProxy software

– Ensuring the consistency of multiple applications

l HyperCopyAgent

HyperCopyAgent copies data from the source LUN to the target LUN of the local storage

unit or other storage units. When creating a LUN copy, HyperCopyAgent selects different

LUN copy policies according to different application scenarios, its functions include:

– Providing the periodic LUN copy function by using the task scheduling program crontab

of the operating system

– Ensuring the consistency of application data and achieving the value-added functions

of the storage system by cooperating with the AppProxy software

– Ensuring the consistency of multiple applications

l InbandAgent

InbandAgent enables the application server to manage the storage system in inband mode.

This function not only facilitates an administrator's ability to manage and maintain the

storage unit, but also implements the LUN copy and virtual snapshot functions by

cooperating with the application software. Other HyperAgent software can invoke the

InbandAgent through InbandAgent commands. Software functions include:

– Enabling the application server to transfer commands in inband mode

2 System Architecture

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Symantec FileStore N8300 Product Description Manual

Brand: Symantec

Model: FileStore N8300

Category: Network switches

Type: Product Description Manual

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