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Replacing hot-swap drives
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Drive problems include any malfunctions that delay, interrupt, or prevent successful
I/O activity between the hosts and the hard disk drives. This includes transmission
problems between the host controllers, the RAID controllers, and the drives. This
section explains how to replace a failed drive.
Attention:
Failure to replace the drives in their correct bays might result in loss of
data. If you are replacing a drive that is part of a RAID level 1 or RAID level 5
logical drive, ensure that you install the replacement drive in the correct bay.
Use the following procedure to replace hot-swap drives:
1. Check the hardware and software documentation that is provided with the
system to see if there are restrictions regarding hard disk drive configurations.
Some system fibre-channel configurations might not allow mixing different drive
capacities or types within an array.
2. Check the Storage Manager client online help for recovery procedures for a
drive that has failed. Follow the steps in the software procedure before you
continue with this procedure.
3. Determine the location of the drive that you want to remove.
Attention:
Never hot-swap a drive CRU when its green Activity LED is
flashing. Hot-swap a drive CRU only when its amber Drive fault LED is on and
not flashing or when the drive is inactive with the green Activity LED on and not
flashing.
If the drive is not in a failed state (as indicated by a lit amber LED), manually
fail the drive using the Storage Management client before attempting to remove
it from the drive slot.
4. Remove the drive CRU.
a. Press on the inside of the bottom of the tray handle to release the blue latch
1 . See Figure 60 on page 76.
b. Pull the handle 2 on the tray 3 out into the open position.
c. Lift the drive CRU partially out of the bay.
d. To avoid possible damage to the drive 4 , wait at least 20 seconds before
you fully remove the drive CRU from the storage server to allow for the drive
to spin down.
Chapter 5. Installing and replacing components
75
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