HP LeftHand SAN Solutions Support Document - Service Notes - VSA 7.0 for VMware ESX

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2 Remove the disk from the drive bay and insert the replacement disk.
3 Wait for the RAID status to show “rebuilding.”
4 Click the Power Disk On button.
Even if the drive appears to be on and everything appears normal, this
enables drive monitoring functions for that drive.
Reseating A Disk
1 Power off the disk in the Console.
2 Power off the IBM x3650 in the Console.
3 Reseat the disk in the drive bay.
4 Manually power back on the IBM x3650.
5 Wait for the RAID status to show “rebuilding.”
6 Click the Power Disk On button.
Even if the drive appears to be on and everything appears normal, this
enables drive monitoring functions for that drive.
Use A Different Disk for Disk Replacement
• If you remove a disk, you should replace it with a different disk. If you
replace it with the same disk, the necessary RAID rebuild may not be
initiated, even with a server reboot.
Delays with Disk Management and Disk Reporting
• When powering off a disk, there may be a lag before the status changes in
the Console.
• When you replace a disk, there may be a long delay (up to 10 minutes)
before the array starts rebuilding.
• In a cluster, the manager and/or storage module may temporarily go
off-line when inserting a disk. The services should appear active again
after a wait, probably not more than 2-3 minutes. There may be client
access delays during that pause. Ensure that the client initiator timeouts
are set as recommended for the SAN/iQ software.