Adding disk drives to the storage system, Creating disk groups – HP 6400.8400 Enterprise Virtual Array User Manual

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Example 1 Saving configuration data using HP SSSU on a Windows host

To save the storage system configuration:

1.

Double-click the HP SSSU desktop icon to run the application. When prompted, enter Manager
(management server name or IP address), User name, and Password.

2.

Enter LS SYSTEM to display the EVA storage systems managed by the management server.

3.

Enter SELECT SYSTEM system name, where system name is the name of the storage
system.

4.

Enter CAPTURE CONFIGURATION pathname\filename, where pathname identifies the
location where the configuration files will be saved, and filename is the name used as the
prefix for the configurations files: for example, CAPTURE CONFIGURATION
c:\EVAConfig\LargeEVA

5.

Enter EXIT to close the command window.

Example 2 Restoring configuration data using HP SSSU on a Windows host

To restore the storage system configuration:

1.

Double-click the HP SSSU desktop icon to run the application.

2.

Enter FILE pathname\filename, where pathname identifies the location where the
configuration files are to be saved and filename is the name of the first configuration file: for
example, FILE c:\EVAConfig\LargeEVA_Step1A.txt

3.

Repeat the preceding step for each configuration file.

Adding disk drives to the storage system

As your storage requirements grow, you may be adding disk drives to your storage system. Adding
new disk drives is the easiest way to increase the storage capacity of the storage system. Disk
drives can be added online without impacting storage system operation.

Consider the following best practices to improve availability when adding disks to an array:

Set the add disk option to manual.

Add disks one at a time, waiting a minimum of 60 seconds between disks.

Distribute disks vertically and as evenly as possible to all disk enclosures.

Unless otherwise indicated, use the SET DISK_GROUP command in the HP Storage System
Scripting Utility to add new disks to existing disk groups.

Add disks in groups of eight.

For growing existing applications, if the operating system supports virtual disk growth, increase
virtual disk size. Otherwise, use a software volume manager to add new virtual disks to
applications.

See the disk drive replacement instructions for the steps to add a disk drive. See

“Replacement

instructions” (page 79)

for a link to this document.

Creating disk groups

The new disks you add will typically be used to create new disk groups. Although you cannot
select which disks will be part of a disk group, you can control this by building the disk groups
sequentially.

Add the disk drives required for the first disk group, and then create a disk group using these disk
drives. Now add the disk drives for the second disk group, and then create that disk group. This
process gives you control over which disk drives are included in each disk group.

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EVA6400/8400 operation

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