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Write-back caching forcibly disabled with BAD BBU

Last Updated:

Applies to

  • SANtricity System
  • E2724
  • E2860


  • Decoded MEL by MEL PARSER, write-back caching forcibly disabled for BAD BBU(Battery Backup Units).


A:5/9/22 6:53:02 PM (09:53:02) 66045 212b Write-back caching forcibly disabled - Tray 99, Slot A - Event: BAD BBU-0,1,2,3,4,5,6,7,8,9,10,11 <--CRITICAL
A:5/9/22 6:37:58 PM (09:37:58) 66044 210a Controller cache not enabled or was internally disabled - Tray 99, Slot A - Event: BAD BBU,Battery Unusable-0
A:5/9/22 6:37:58 PM (09:37:58) 66043 7302 Low battery capacity - Tray 99, Controller 1, Slot 1 - 27C, 6.94V, 2010mAH

  • Battery replacement required is seen in Storage Array Profile.


Battery status:              Battery replacement required
Location:                    Controller A
Age:                         2,812 days
Days until replacement:      Not applicable
Last learn cycle:            4/14/22
Next learn cycle:            6/9/22
Weeks between learn cycles:  8
Part number:                 PN 36540-06
Serial number:               SN SY41240573A1
Vendor:                      VN LSI
Date of manufacture:         3/1/14

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