Replacing A Controller Module; Prerequisites; Verifying Controller Module Failure - HPE StoreVirtual 3200 User Manual

. The Health tile on the Disks Overview window displays the disk status.
More information
Status LED descriptions on page 15

Replacing a controller module

Prerequisites

• Verify the status of the controller module.
IMPORTANT:
As soon as you have verified that you must replace the controller, contact Hewlett Packard
Enterprise support. You cannot replace both controllers at the same time. One controller must be
functioning for failover.
• Verify that the volumes and snapshots are not restriping.
• Back up your data.
• Fail over the storage controller from the Storage Systems pane in the StoreVirtual Management
Console. Ensure that the controller taking over all activities is fully functional. A controller replacement
can be done online, but there is reduced system performance. If performing the replacement online,
Hewlett Packard Enterprise strongly recommends doing so during a time of low activity. See the HPE
StoreVirtual 3200 Online Help for more information.
WARNING:
The storage controller must be failed over. Hot-removal of a storage controller is not supported.
More information
Verifying controller module failure on page 91

Verifying controller module failure

Before replacing a controller module, verify its status using one of the following methods:
• Verify using the controller module status LEDs to ensure it has failed. For the location of the controller
module LEDs, see Storage controller enclosure on page 8.
For information on interpreting the status, see "Related reference".
• Verify the controller module status from the StoreVirtual Management Console. Navigate to the
Storage Controllers section. The controller status is listed next to the controller name in the left list
pane.
More information
Storage controller enclosure on page 8
Storage controller enclosure controller module status LEDs on page 17
Status LED descriptions on page 15
Replacing a controller module 91