Replacing The Cache Battery In The Raid Controller - IBM TotalStorage DS300 Hardware Installation And User's Manual

10. Install the RAID controller:
11. Reconnect the Ethernet cables that you removed in step 6 on page 65 to the
12. For a Fibre Channel RAID controller only: Install the SFP modules and the
13. For a storage subsystem with only one controller installed: Turn on the
14. For a storage subsystem with two controllers installed: Move the I/O data
15. Wait approximately 10 minutes for the ServeRAID Manager program to come
16. Open a Telnet session to the controller that has the battery replacement:
17. Enter save to save the modified settings for the Telnet session.
18. Use the ServeRAID Manager program to monitor the status of the storage

Replacing the cache battery in the RAID controller

Note: The iSCSI RAID controller in the DS300 model 1701-1RL does not contain a
cache battery.
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Hardware Installation and User's Guide
9. Insert the new battery:
a. Tilt the battery so that you can insert it into the socket on the side opposite
the battery clip.
b. Press the battery down into the socket until it clicks into place. Make sure
that the battery socket holds the battery securely.
a. Make sure that the lever on each side of the controller is down as far as it
will go.
b. Push the controller into the bay until it meets resistance (approximately 6
mm [0.25 in.] from the end of the chassis).
c. While squeezing together the latch and lever, push both latches up as far
as they will go. The controller will slide the rest of the way into the bay.
RAID controller.
fiber-optic cables that you removed in step 8 on page 67.
power-supply switches on the rear of the storage subsystem.
back to the original controller:
a. Open a Telnet session and connect to the alternate controller management
port IP address. If the Telnet session is open from step 4 on page 65, go to
step 14d.
b. At the command prompt, enter admin.
c. Enter the administrator password.
d. Enter controller peer enable.
e. Enter controller info.
Information about the controller is displayed on the screen. If the
information shows that the peer controller status is Not Ready, repeat this
step until the status is Ready.
f. Enter array failback.
The I/O data is moved back to the original controller.
back online.
a. At the command prompt, enter admin.
b. Enter the administrator password.
c. Enter the system time and date using the format: system date
hh:mm:ss@dd/mm/yy
For example, system date 14:23:05@09/09/05
subsystem.