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SG6000 continuously reboots with message "hostbyte=DID_NO_CONNECT"

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storagegrid
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Applies to

  • NetApp StorageGrid SG6000
  • Firmware Version 11.3 

Issue

  • SG6000 is in a boot loop
  • Path loss to backend storage
  • The following events are seen in the virtual console or serial connection after each reboot loop: 

sd 16:0:0:251: [sdp] Synchronizing SCSI cache
sd 16:0:0:251: [sdp] Synchronize Cache(10) failed: Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK 
scsi 16:0:0:251: rdac: Detached
sd 16:0:0:252: [sdq] Synchronizing SCSI cache
sd 16:0:0:252: [sdq] Synchronize Cache(10) failed: Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK 
scsi 16:0:0:252: rdac: Detached
sd 16:0:0:253: [sdr] Synchronizing SCSI cache
sd 16:0:0:253: [sdr] Synchronize Cache(10) failed: Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK
scsi 16:0:0:253: rdac: Detached 
sd 16:0:0:254: [sds] Synchronizing SCSI cache
sd 16:0:0:254: [sds] Synchronize Cache(10) failed: Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK 
scsi 16:0:0:254: rdac: Detached
mlx5_core 0000:af:00.1: Shutdown was called
mlx5_core 0000:af:00.0: Shutdown was called

 

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