Tag Archives: Smart Array 6400

HP Smart Array 6400 Controller Array Accelerator Post-Write Cache is temporarily disabled

Problem:
Message during boot on a HP ProLiant server with a HP Smart Array 6400 Array Controller:
… Array Accelerator Battery Charge Low
Array Accelerator Posted-Write Cache is temporarily disabled.
Array Accelerator batteries have failed to charge and should be …

Solution:
– Update driver
– Reboot server
– Update firmware using online flash
– Reboot server

Now the following message is displayed
… Array Accelerator Battery Charge Low
Array Accelerator Posted-Write Cache is temporarily disabled.
Array Accelerator will be reenabled when batteries reach full…

After batteries are on full charge again, the issue is fixed.
If batteries still fail, replace batteries.

Thanks to my college Michael for this procedure.