SANWatch User’s Manual
vii
7.4 SYSTEM......................................................................................................................7-6
7.5 PASSWORD ................................................................................................................7-8
7.6 THRESHOLD..............................................................................................................7-9
7.7 REDUNDANT CONTROLLER SETTINGS..................................................................7-10
7.8 EVENT TRIGGERED OPERATIONS .........................................................................7-13
7.9 HOST-SIDE, DRIVE-SIDE, AND DISK ARRAY PARAMETERS .................................7-13
CHAPTER 8 CHANNEL CONFIGURATION
8.1 CHANNEL CONFIGURATION WINDOW....................................................................8-2
8.2 USER-CONFIGURABLE CHANNEL PARAMETERS....................................................8-3
Channel Parameters: EonStor Series....................................................................................... 8-3
Channel Parameters: EonStor 1U Controller Head Series................................................... 8-4
8.2.1. Channel Mode...................................................................................................8-4
8.2.2. Termination.......................................................................................................8-5
8.2.3. Default Transfer Clock (in MHz) .....................................................................8-5
8.2.4. ID Pool / AID / BID..........................................................................................8-6
8.3 SETTING THE CONFIGURATIONS FOR A CHANNEL.................................................8-7
CHAPTER 9 DRIVE MANAGEMENT
9.1. LOCATING DRIVES ...................................................................................................9-3
9.2. LOGICAL DRIVE MANAGEMENT .............................................................................9-3
9.2.1 Accessing the Create Logical Drive Window ..................................................9-4
9.2.2 Creating Logical Drives....................................................................................9-5
9.2.2.1. Logical Drive Creation Process ................................................................................. 9-5
9.2.2.2. Selecting Drives ......................................................................................................... 9-5
9.2.2.3. Setting RAID Parameters........................................................................................... 9-6
Drive Size................................................................................................................................. 9-6
Selecting Stripe Size................................................................................................................ 9-6
Initialization Options ............................................................................................................... 9-6
Select RAID Level................................................................................................................... 9-6
Write Policy ............................................................................................................................. 9-6
9.2.2.4. Click OK to Create an LD.......................................................................................... 9-7
9.2.3 Accessing the Existing Logical Drive Window...............................................9-7
9.2.3.1. Modifying LD Configurations ................................................................................... 9-9
9.2.3.2. Expanding LD by Adding Disks................................................................................ 9-9
9.2.3.3. Accessing the Expand Command page.................................................................... 9-10
Available Expansion Size (MB)............................................................................................ 9-10
Set Expansion Size................................................................................................................. 9-10
Execute Expand ..................................................................................................................... 9-11
9.2.3.4. Click Expand to Initiate LD Expansion................................................................... 9-11
9.2.3.5. Accessing the Migrate LD Command page............................................................. 9-11
Select a RAID Level.............................................................................................................. 9-12
Select a Stripe Size ................................................................................................................ 9-12
Set a Drive Size...................................................................................................................... 9-13
9.2.3.6. Migration Process..................................................................................................... 9-13
9.2.4 Dynamic Logical Drive Expansion ................................................................9-13
9.2.4.1. What Is It and How Does It Work? ......................................................................... 9-13
9.2.4.2. Two Expansion Modes............................................................................................. 9-13
Mode 1: Add Drive................................................................................................................ 9-13
Mode 2: Copy & Replace...................................................................................................... 9-14
9.2.5 Adding Spare Drives.......................................................................................9-16
9.2.5.1. Accessing the Spare Drive Management Screen..................................................... 9-17
9.2.6 Rebuilding Logical Drives..............................................................................9-18
9.2.7 Deleting an LD................................................................................................9-18
9.3. LOGICAL VOLUME MANAGEMENT .......................................................................9-20
9.3.1 Accessing the Create Logical Volume Window............................................9-20
9.3.2 Creating Logical Volumes..............................................................................9-21
9.3.2.1. LV Creation.............................................................................................................. 9-21
9.3.2.2. Selecting LDs ........................................................................................................... 9-21
9.3.2.3. Setting Logical Volume Parameters ........................................................................ 9-22
Logical Volume Assignment................................................................................................. 9-22
Select Write Policy ................................................................................................................ 9-22