Fabric MetroCluster: DISK REDUNDANCY FAILED

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Visibility:: Public

Votes:: 0

Category:: metrocluster

Specialty:: metrocluster

Last Updated:

Applies to

Fabric MetroCluster
ONTAP 9
DISK REDUNDANCY FAILED autosupport(s)

Issue

Repeated DISK REDUNDANCY FAILED autosupports received

One ATTO bridge SAS port is observing a high number of errors:

Example:

ClusterA::> system node run -node ClusterA-01 -command storage show bridge -v

...

Bridge: FC-Switch-A1:10.126L0
Serial: FB7500N000000
Vendor: ATTO
WWN:    2000000000000000
Model:  FibreBridge 7500N
Rev:    3.25

...

SAS Port B:
MINI_SAS_HD Vendor:        Amphenol
MINI_SAS_HD Part Number:   112-00439
MINI_SAS_HD Type:          Passive Copper 5m ID:01
MINI_SAS_HD Serial Number: APF00000000000

                         Invald Disprt   Loss    Phy    Phy    CRC
                          DWord  Error   Sync  Reset Change  Error
   Phy State   Speed      Count  Count  Count   Prob  Count  Count
   --- ------- --------- ------ ------ ------ ------ ------ ------
     0 up      12.0 Gb/s     29     23      1      0      6      0
     1 up      12.0 Gb/s     32     27      1      0      6      0
     2 up      12.0 Gb/s     24     18      1      0      6      0
     3 up      12.0 Gb/s     28     19      1      0      6      0