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before removing it from the FAStT100 server or turning off caching in the
FAStT100 server, using the Storage Manager client. Follow the steps given in
the software procedure before you continue with this procedure.
Attention:
When you handle static-sensitive devices, take precautions to
avoid damage from static electricity. For details about handling static-sensitive
devices, see "Handling static-sensitive devices" on page 69.
2. Unpack the new battery.
Set the new battery on a dry, level surface. Save all packing materials in case
you need to return the battery.
Note: The battery comes with a new battery label. You will need this label
later in the procedure.
3. Review all documentation that comes with the new battery for updated
replacement procedures and other information.
4. Use the Storage Manager client to locate the RAID controller that contains the
failed battery (the RAID controller Fault LED might be on).
5. Label each cable that connects to the RAID controller that contains the battery
that has failed. This ensures that all cables will be properly reconnected to the
RAID controller after you replace the battery.
6. Use the storage management software to take offline the RAID controller that
contains the battery that has failed.
Attention:
To prevent data loss, you must shutdown the system before you
can replace the RAID controller battery. For the proper shutdown sequence,
see "Turning off the storage server" on page 59.
7. Remove the fibre-channel cables and the SFPs from the RAID controller that
contains the battery that has failed or is nearing its expiration date. For more
information, see "Working with SFPs and fiber-optic cables" on page 39.
8. Remove the RAID controller as described in "Replacing a RAID controller" on
page 83.
9. To remove the cache battery, place the RAID controller CRU bottom up on a
flat surface. Using a #2 Phillips head screwdriver, remove the six screws (three
on each side of the RAID controller) that hold the RAID controller bottom panel
to the sides of the RAID controller, as shown in Figure 68 on page 86.
10. Slide the RAID controller bottom panel away from the front side of the RAID
controller (away from the SFP slots and black center latch) to unlatch it from
the side panels.
11. Carefully flip over the RAID controller bottom panel. Disconnect the battery
harness on the battery from the two-pin connector on the controller board as
shown in Figure 69 on page 87.
12. Remove the screw that holds the battery access panel. Carefully slide the
access panel toward the front to unlatch it from the three pins mounted on the
RAID controller bottom panel.
13. Remove the battery unit and place it on a dry, level surface. If this battery is a
replacement battery, then replace the old battery with the new one.
14. Write the battery replacement information on the label on the battery pack.
v Installed date – Write today's date
v Replacement Date – Write the date three years from today's date
Note: The preferred method of checking for the battery operating age is
through the storage server management software.
Chapter 5. Installing and replacing components
89
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