Replacing Hot-Swap Drives - IBM TotalStorage 200 Installation And User Manual

Before you replace drive CRUs, review the following information:

Replacing hot-swap drives

Drive problems include any malfunctions that delay, interrupt, or prevent successful
I/O activity between the hosts and the hard disk drives in the storage unit. This
includes transmission problems between the host controllers, the ESM boards, and
the drives. This section explains how to replace a failed drive.
Attention:
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.
Check the hardware and software documentation provided with your system to see
if there are restrictions regarding hard disk drive configurations. Some system SCSI
configurations might not allow mixing different drive capacities or types within an
array.
To replace a hot-swap drive:
1. Determine the location of the drive that you want to remove.
2. Remove the drive CRU.
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5194 Network Attached Storage Model EXU Installation and User's Guide
Failure to replace the drives in their correct bays might result in loss
Attention: Never hot swap a drive CRU when its green activity LED is
flashing. Hot swap a drive CRU only when its amber fault LED is lit (not
flashing) or when the drive is inactive (activity LED is off).
a. Press on the inside of the bottom of the tray handle 2 to release the blue
latch 1 .
b. Pull the handle 2 on the tray 3 out into the open position.
c. Lift the drive tray partially out of the bay.
d. To avoid possible damage to the drive 4 , wait at least 20 seconds before
fully removing the drive CRU from the storage unit, to allow for the drive to
spin down.
e. Verify that there is proper identification (such as a label) on the drive CRU
and then slide it completely out of the storage unit.