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Loss of redundancy on multiple drives after SANtricity OS upgrade

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Applies to

  • NetApp E-Series.
  • Multiple DE460C expansion enclosures.

Issue

  • All the drives in one more drawer are showing Loss of Redundancy after SANtricity OS upgrade.
  • RECOVERY-GURU-PROCEDURES shows the following entries:
    • Failure Entry 1: NO_REDUNDANCY_DRIVE-Recovery Failure Type Code: 32 
    • Failure Entry 15: SAS_PORT_FAILED-Recovery Failure Type Code: 113
  • DOM0-MISC-LOGS reports the following. This is the unique signature for this issue:

10/26/23-00:55:48(SasEvtWkr1): NOTE:  Sub-expander devH:xblevel:2 channel:2 drawer:2 has no SEP Device, hold in reset forever
10/26/23-00:55:48(SasEvtWkr1): NOTE:  Sub-expander devH:xalevel:2 channel:2 drawer:1 has no SEP Device, hold in reset forever
10/26/23-00:56:44(SasEvtWkr1): NOTE:  Sub-expander devH:xdlevel:2 channel:2 drawer:4 has no SEP Device, hold in reset forever

  • All the drives in one more drawer are reporting Loss of Redundancy status under the DRIVES section of the STORAGE-ARRAY-PROFILE:

99, 1,  0    Loss of redundancy  1,676.716 GB Hard Disk Drive  SAS  12 Gbps   HUC101818CS4205  NE10  DA, FIPS (140-2)
99, 1,  1    Loss of redundancy  1,676.716 GB Hard Disk Drive  SAS  12 Gbps   HUC101818CS4205  NE10  DA, FIPS (140-2)
99, .....    Loss of redundancy  1,676.716 GB Hard Disk Drive  SAS  12 Gbps   HUC101818CS4205  NE10  DA, FIPS (140-2)

99, 2,  0    Loss of redundancy  1,676.716 GB Hard Disk Drive  SAS  12 Gbps   HUC101818CS4205  NE10  DA, FIPS (140-2)
99, 2,  1    Loss of redundancy  1,676.716 GB Hard Disk Drive  SAS  12 Gbps   HUC101818CS4205  NE10  DA, FIPS (140-2)
99, .....    Loss of redundancy  1,676.716 GB Hard Disk Drive  SAS  12 Gbps   HUC101818CS4205  NE10  DA, FIPS (140-2)

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