Replace battery
Each controller canister includes a battery that preserves cached data if the AC power fails. If the Recovery
Guru in ThinkSystem System Manager reports either a Battery Failed status or a Battery Replacement
Required status, you must replace the affected battery.
Prepare to replace battery
The steps to prepare for battery replacement depend on your controller configuration. The following
replacement procedure is based on the scenario that you have two controllers. Before you replace the failed
batter, you must take the affected controller offline.
Place controller offline
Place the affected controller offline so you can safely remove the failed battery. You must back up the
configuration and collect support data first. Then, you can take the affected controller offline.
Before you begin
• Your storage array must have two controllers. The controller that you are not placing offline must be online
(in the optimal state).
• Make sure that no volumes are in use or that you have a multipath driver installed on all hosts using these
volumes.
Perform this task only if your storage array has two controllers.
Step 1. From ThinkSystem System Manager, review the details in the Recovery Guru to confirm that there
is an issue with a battery and to ensure no other items must be addressed first.
Step 2. From the Details area of the Recovery Guru, determine which battery to replace.
Step 3. Back up the storage array's configuration database.
If a problem occurs when you remove a controller, you can use the saved file to restore your
configuration.
a. Open the Enterprise Management Window (EMW) for ThinkSystem Storage Manager on your
management station.
b. Select the storage array.
c. Select
Tools
➙
Execute Script
.
d. Type the following command in the text box.
save storageArray dbmDatabase sourceLocation=onboard contentType=all file="
filename
";
In this command,
filename
is the file path and file name to which you want to save the
database. Enclose the file name in double quotation marks (" "). For example:
file="C:\Program Files\CLI\logs\dbmdata.zip"
This command does not automatically append a file extension to the saved file. You must
specify a file extension when entering the file name.
e. Select
Tools
➙
Verify and Execute
.
Note:
If you have an untrusted certificate, you may need to accept the Security Exception.
Step 4. Collect support data for your storage array using ThinkSystem System Manager.
1. Select
Support
➙
Support Center
➙
Diagnostics
.
2. Select
Collect Support Data
.
3. Click
Collect
.
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