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All disks are missing in a backend array LUNs on a flexarray leading to an aggr issue

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Applies to

  • 9.7P12
  • FAS8200

Issue

  • Previously, both nodes rebooted at the same time:

 

  • Users could not access the storage LUNs and the aggregates information was not displayed when running 'aggr show'.

cluster1::> storage aggregate show
Aggregate     Size Available Used% State    #Vols Nodes            RAID Status
--------- -------- --------- ----- ------- ------ ---------------  ------------
aggr0       -----    -----   -----  -----   -----    --------        -------
aggr1      -----    -----   -----  -----   -----    --------        -------
aggr2       1.77TB    1.63TB    8% online       1 cluster1-01      raid_dp,
                                                                   normal
aggr3       1.77TB    1.73TB    2% online       2 cluster1-02      raid_dp,
                                                                   normal

  • AGGR-INFO.XML is not showing the aggregate information

  • SYSCONFIG -A is showing ALL of the disks missing from both nodes in a FAILED state

sw1:0.126L0       : DGC      VRAID            5002 3662.6GB 512B/sect (6006016047D046007662B05DD3AE6DCC) (Failed)
sw1:0.126L1       : DGC      VRAID            5002 3662.6GB 512B/sect (6006016047D046007662B05DD3AE6DDF) (Failed)
sw1:0.126L2       : DGC      VRAID            5002 3662.6GB 512B/sect (6006016047D046008362B05DEADD08F9) (Failed)
sw1:0.126L3       : DGC      VRAID            5002 3662.6GB 512B/sect (6006016047D046008362B05D6067DC5E) (Failed)
sw1:0.126L4       : DGC      VRAID            5002 3662.6GB 512B/sect (6006016047D046008E62B05D5788B2A9) (Failed)
sw1:0.126L5       : DGC      VRAID            5002 3662.6GB 512B/sect (6006016047D046008E62B05D307492AA) (Failed)
sw1:0.126L6       : DGC      VRAID            5002 3662.6GB 512B/sect (6006016047D046007762B05DD8DE0D11) (Failed)
sw1:0.126L7       : DGC      VRAID            5002 3662.6GB 512B/sect (6006016047D046007762B05D548370D6) (Failed)
sw1:0.126L8       : DGC      VRAID            5002 3662.6GB 512B/sect (6006016047D046007862B05D74FB4A27) (Failed)
sw1:0.126L9       : DGC      VRAID            5002 3662.6GB 512B/sect (6006016047D046007962B05DE753F497) (Failed)
sw1:0.126L10      : DGC      VRAID            5002 3662.6GB 512B/sect (6006016047D046007862B05DD71AE925) (Failed)
sw1:0.126L11      : DGC      VRAID            5002 3662.6GB 512B/sect (6006016047D046007962B05D8B11D5B6) (Failed)
sw1:0.126L12      : DGC      VRAID            5002 3662.6GB 512B/sect (6006016047D046007862B05D9320CEE1) (Failed)
sw1:0.126L13      : DGC      VRAID            5002 3662.6GB 512B/sect (6006016047D046007962B05D68A17E35) (Failed)
sw1:0.126L14      : DGC      VRAID            5002 3662.6GB 512B/sect (6006016047D046007A62B05D799053B1) (Failed)
sw1:0.126L15      : DGC      VRAID            5002 3662.6GB 512B/sect (6006016047D046007B62B05D16365CE7) (Failed)
sw1:0.126L16      : DGC      VRAID            5002 3662.6GB 512B/sect (6006016047D046007D62B05DDBB67433) (Failed)
sw1:0.126L17      : DGC      VRAID            5002 3662.6GB 512B/sect (6006016047D046007A62B05D312FA986) (Failed)

  • The following errors are seen in the event logs:

::> event log show -message-name *array*

7/8/202315:16:19 Node1 ERROR mlm.array.lun.OnePath: Array LUN 'SW1:0.126L48' is connected using only one path. To avoid the potential for data loss caused by the remaining path's failure, all array LUNs should have at least two paths.

7/8/2023 15:16:19 Node2 ERROR mlm.array.lun.OnePath: Array LUN 'SW1:0.126L47' is connected using only one path. To avoid the potential for data loss caused by the remaining path's failure, all array LUNs should have at least two paths.

 

Jul 08 15:20:09 [Node_name:fci.nserr.noDevices:error]: The Fibre Channel fabric attached to adapter 2b reports the presence of no Fibre Channel devices.

Jul 08 15:20:09 [Node_name:fci.nserr.noDevices:error]: The Fibre Channel fabric attached to adapter 2d reports the presence of no Fibre Channel devices.

Jul 08 15:20:10 [Node_name:fci.nserr.noDevices:error]: The Fibre Channel fabric attached to adapter 2a reports the presence of no Fibre Channel devices.

Jul 08 15:20:10 [Node_name:fci.nserr.noDevices:error]: The Fibre Channel fabric attached to adapter 2c reports the presence of no Fibre Channel devices.

  • The following errors are seen:

::> storage errors show

Disk: LUN.1

This disk is in a failed state with the outage reason "init failed". The Disk needs to be removed and replaced.

Disk: LUN.2

This disk is in a failed state with the outage reason "init failed". The Disk needs to be removed and replaced.

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