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NDMP operation fails by tape.cmd.chkCondErr

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ndmp
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Applies to

ONTAP 9

Issue

  • NDMP backup fails with write error.

  • backup.gz

    dmp Thu Jan  5 02:12:55 IST 2023 /Data_STM/vol_ndmp_backup_nw/(0) Base_dump (Level 0, the epoch)
    dmp Thu Jan  5 02:32:58 IST 2023 /Data_STM/vol_ndmp_backup_nw/(0) Log_msg (Thu Jan  5 02:32:58 2023 : We have written 135699911 KB.)
    dmp Thu Jan  5 02:37:48 IST 2023 /Data_STM/vol_ndmp_backup_nw/(0) Error (Media error on tape write.)
    dmp Thu Jan  5 02:37:48 IST 2023 /Data_STM/vol_ndmp_backup_nw/(0) Tape_close (ndmp)
    dmp Thu Jan  5 02:37:48 IST 2023 /Data_STM/vol_ndmp_backup_nw/(0) Abort (138546 MB, 1491 secs, 92 MBps)
    dmp Thu Jan  5 02:37:48 IST 2023 /Data_STM/vol_ndmp_backup_nw/(0) Error (DUMP IS ABORTED)
    dmp Thu Jan  5 02:37:48 IST 2023 /Data_STM/vol_ndmp_backup_nw/(0) Log_msg (Deleting "/Data_STM/vol_ndmp_backup_nw/../snapshot_for_backup.nw" snapshot.)

  • NDMP.GZ

    00000014.01252dc2 0a9fb0cd Tue Jan 03 2023 06:46:42 +05:30 [kern_ndmpd:info:5531] [73704]   INFO: DATA notification state 5 (SESS_STATE: HALTING) event 6 (EVENT: BAD_MEDIA) (-0:19:19)
    00000014.01252dc3 0a9fb0cd Tue Jan 03 2023 06:46:42 +05:30 [kern_ndmpd:info:5531] [73704]  ERROR: DATA: Operation terminated: EVENT: BAD_MEDIA (for /Data_STM/vol_ndmp_backup_nw/)

  • NDMP operation fails by tape.cmd.chkCondErr or BAD_MEDIA.
  • /etc/log/ems shows the following event.

Example:

ERROR tape.cmd.chkCondErr: Tape device <TAPE_DEVICE>: Check Condition: SCSI opcode Read(06) (CDB 0x08: 0x010000 bytes): data protect -  (0x7 - 0xee 0xf 0x65).

tape.cmd.chkCondErr:error: Tape device <TAPE_DEVICE>: Check Condition: SCSI opcode Write(06) (CDB 0x0a: 0x010000 bytes): hard error - Track following error (0x3 - 0x9 0x0 0x36).
tape.cmd.chkCondErr:error]: Tape device <TAPE_DEVICE>: Check Condition: SCSI opcode Write Filemarks (CDB 0x10): hard error - Track following error (0x3 - 0x9 0x0 0x36).

 

 

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