Appliance operational, one disk in RAID set fails
If one of your disks fails, you can replace it with another disk and resume operation.
Follow this procedure to replace a failed disk. You can use a good disk from another appliance or a new, replacement disk. The RAID system replicates the contents of the existing disk to the new disk.
- Shut down the appliance by using the following
command:
If you are taking a disk from another appliance, you must shut down the donor appliance too.mqa# shutdown poweroff
- Remove the failed disk from your first appliance. Follow the instructions in Replacing a solid-state disk drive module.
- If you are reusing a disk from another appliance, remove that disk.
- Insert the good disk in the appliance to replace your failed disk.
- Power up the appliance that you have replaced the disk in.
- When a new disk with an
unknown
status is detected, a RAID rebuild begins automatically. This procedure can take some hours, you can check for completion by entering the following commands:
The output includes amqa# config mqa (config)# show raid-physical-drive
Rebuild
field, showing the percentage complete. When complete, theState
field contains the following text:online
- Enter the following commands to check the state of your queue
managers:
mqa(config)# exit mqa# mqcli mqa(mqcli)# dspmq
If this procedure does not go as expected, contact IBM Support.