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DMA fails to add direct-attached LTO Tape due to NDMP4_NOT_SUPPORTED_ERR

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ndmp
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Applies to

  • ONTAP 9.10.1
  • Arcserve Backup 19.0 for Windows with P00002752

Issue

  • Arcserve Backup using direct-attached LTO Tape via FC switch fails to detect device
  • /mroot/etc/log/mlog/ndmpd.log with debug option shows ONTAP returns NDMP4_NOT_SUPPORTED_ERR to the NDMP4_TAPE_OPEN request from DMA

DEBUG: DMA>>S V4 sequence=8 (0x8)
DEBUG:      Time_stamp=0x63cf7381 (Jan 24 14:58:25 2023)
DEBUG:      message type=0 (NDMP4_MESSAGE_REQUEST)
DEBUG:      message_code=0x300 (NDMP4_TAPE_OPEN)
DEBUG:      reply_sequence=0 (0x0)
DEBUG:      error_code=0 (NDMP4_NO_ERR)
DEBUG:      device=st0
DEBUG:      mode=2 (NDMP4_TAPE_RAW_MODE)
DEBUG: DMA<<S V4 sequence=10 (0xa)
DEBUG:      Time_stamp=0x63cf7382 (Jan 24 14:58:26 2023)
DEBUG:      message type=1 (NDMP4_MESSAGE_REPLY)
DEBUG:      message_code=0x300 (NDMP4_TAPE_OPEN)
DEBUG:      reply_sequence=8 (0x8)
DEBUG:      error_code=1 (NDMP4_NOT_SUPPORTED_ERR)

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