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Working with hot-swap drives
72
IBM TotalStorage FAStT600 Fibre Channel Storage Server: Installation and User's Guide
controllers that have just been replaced. If the controllers are not up, you
will get a controller-connection error window instead of the controller
properties window. Wait a minute and retry until you get the properties
window.
v Check the LEDs at the back of each controller. All Fault LEDs should be off
and the Host Loop and Expansion Loop LEDs should be on.
20. If the Fault LED is on, the Host Loop LED and the Expansion Loop LED stay
off, or any other Fault LED is on, see the Storage Manager client for problem
determination.
Note: The battery LED may be flashing indicated battery charging is in
progress.
21. After the controllers finish rebooting, their WWNNs will change. If you have
applications that rely on the previous FAStT600 controller WWNNs (such as
Fibre Channel switch zoning definitions) you must update the applications with
the new WWNNs.
22. Enable caching on both controllers.
23. Verify firmware and NVSRAM. Reload the firmware and NVSRAM to the
version shipped on the Turbo option CD. Then, check the IBM Web site for any
firmware updates.
24. If applicable, re-enable your premium features using the premium features key
files of the controllers that you replaced.
This section explains how you can increase the storage-server capacity by adding
more drives or replacing existing drives with ones containing a larger capacity.
Figure 58 shows the location of the hot-swap drive bays that are accessible from
the front of the storage server. To maintain proper cooling within the storage server,
always keep a filler panel in each drive bay that does not contain a drive CRU.
Figure 58. Location of hot-swap drives
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 completely on and not
flashing or when the drive is inactive with the green Activity LED on and not
flashing.
Before you install or remove drive CRUs, review the following information:
Filler panels
Storage servers without a full set of drives (14) contain filler panels in the
unused drive bays. Before installing new drives, you must remove the filler
Hot-swap
drive CRU
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