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Direct NDMP backup fails as Tape goes offline from DMA

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Category:
ndmp
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dp
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Applies to

  • ONTAP 9
  • NDMP
  • Tape
  • CommVault (DMA)

Issue

  • A direct NDMP backup fails with Tape device going offline frequently from DMA end.
  • Tape device shows healthy/normal on Netapp Storage .

NDMP logs:

[kern_ndmpd:info:5401] [32527] DEBUG: SCSI: OPEN: nrst0a NOT READY (error 1041: NDMPD device is busy or in a bad state)
[kern_ndmpd:info:5401] [32527] DEBUG: error=2 (NDMP4_DEVICE_BUSY_ERR)
[kern_ndmpd:info:5401] [32527] DEBUG: SCSI: OPEN: nrst0a NOT READY (error 1041: NDMPD device is busy or in a bad state)
[kern_ndmpd:info:5401] [32527] DEBUG: error=2 (NDMP4_DEVICE_BUSY_ERR)
[kern_ndmpd:info:5401] [32527] DEBUG: SCSI: OPEN: nrst0a NOT READY (error 1041: NDMPD device is busy or in a bad state)
[kern_ndmpd:info:5401] [32527] DEBUG: error=2 (NDMP4_DEVICE_BUSY_ERR)

DMA Logs:

004 1c10 07/19 11:19:58 --- Start to get the info for NDMP SCSI device [SN:C3EC4F9000] on client [node]...
9004 1c10 07/19 11:20:01 ### Tape Open Device [/Node/nrst1a] Failed, error=NDMP_DEVICE_BUSY. Retry count [1]. Will retry for [237] more seconds. Sleeping for 10 sec and retrying ...
9004 1c10 07/19 11:20:14 ### Tape Open Device [/Node/nrst1a] Failed, error=NDMP_DEVICE_BUSY. Retry count [2]. Will retry for [224] more seconds. Sleeping for 10 sec and retrying ...

 

 

 

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