2.2. Replace DE6000H battery
You can replace a failed battery in a DE6000H storage system.
About this task
Each DE6000H 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.
Before you begin
•
Verify that no volumes are in use or that you have a multipath driver installed on all hosts using
these volumes.
•
Review
Requirements for DE6000H battery replacement.
What you’ll need
•
A replacement battery.
•
An ESD wristband, or you have taken other antistatic precautions.
•
Labels to identify each cable that is connected to the controller canister.
•
A management station with a browser that can access ThinkSystem System Manager for the
controller. (To open the System Manager interface, point the browser to the controller’s domain
name or IP address.)
2.2.1. Step 1: Place controller offline (duplex)
If you have a duplex configuration, place the affected controller offline so you can safely remove the
failed battery. The controller that you are not placing offline must be online (in the optimal state).
Perform this task only if your storage array has two controllers (duplex
configuration).
Steps
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.
2.
From the Details area of the Recovery Guru, determine which battery to replace.
3.
Back up the storage array’s configuration database using ThinkSystem System Manager..
If a problem occurs when you remove a controller, you can use the saved file to restore your
configuration. The system will save the current state of the RAID configuration database, which
includes all data for volume groups and disk pools on the controller.
◦ From ThinkSystem System Manager:
a.
Select Support › Support Center › Diagnostics.
3
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