NDMP backup from Netbackup stops with ERROR: DATA: Backup terminated: EVENT: I/O ERROR
Applies to
- ONTAP 9
- NDMP (Network Data Management Protocol)
- Tape devices are connected to the cluster through a Fibre Channel (FC) switch
- Veritas NetBackup
Issue
- NDMP backup with NetBackup stops :
ERROR: DATA: Backup terminated: EVENT: I/O ERROR - Issue is reported from both filers
Backup.log
dmp Sun Jan 2 04:48:31 CET 2022 /VSERVER_NAME/VOL_NAME(0) Phase_change (II)
dmp Sun Jan 2 04:48:32 CET 2022 /VSERVER_NAME/VOL_NAME(0) Phase_change (III)
dmp Sun Jan 2 04:49:50 CET 2022 /VSERVER_NAME/VOL_NAME(0) Phase_change (IV)
dmp Sun Jan 2 04:50:41 CET 2022 /VSERVER_NAME/VOL_NAME(0) Tape_close (ndmp)
dmp Sun Jan 2 04:52:16 CET 2022 /VSERVER_NAME/VOL_NAME(0) Tape_open (ndmp)
dmp Sun Jan 2 06:12:14 CET 2022 /VSERVER_NAME/VOL_NAME(0) Error (Tape write failed.
dmp Sun Jan 2 06:12:14 CET 2022 /VSERVER_NAME/VOL_NAME(0) Tape_close (ndmp)
dmp Sun Jan 2 06:12:14 CET 2022 /VSERVER_NAME/VOL_NAME(0) Abort (939293 MB, 5028 secs, 186 MBps)
dmp Sun Jan 2 06:12:14 CET 2022 /VSERVER_NAME/VOL_NAME(0) Error (DUMP IS ABORTED
NDMP.log
Sun Jan 02 2022 06:12:15 +01:00 [kern_ndmpd:info:5496] [94848] DEBUG: MGMT_RPC::raw_rpc_input mgmt_rpc = 0x808631b80, buf_stream = 0x80862cc00
Sun Jan 02 2022 06:12:15 +01:00 [kern_ndmpd:info:5496] [94848] DEBUG: C<BKUP (ndmp_client) NDMPD2BR_SESSION_GET_PARMS
Sun Jan 02 2022 06:12:15 +01:00 [kern_ndmpd:info:5496] [94848] DEBUG: sess_handle 0x98300000000 seq 707 (0x2c3)
Sun Jan 02 2022 06:12:15 +01:00 [kern_ndmpd:info:5496] [94848] DEBUG: error 0 (NO ERROR)
Sun Jan 02 2022 06:12:15 +01:00 [kern_ndmpd:info:5496] [94848] DEBUG: state 5 (SESS_STATE: HALTING)
Sun Jan 02 2022 06:12:15 +01:00 [kern_ndmpd:info:5496] [94848] DEBUG: event 7 (EVENT: I/O ERROR)
Sun Jan 02 2022 06:12:15 +01:00 [kern_ndmpd:info:5496] [94848] DEBUG: session_parms_len 5
Sun Jan 02 2022 06:12:15 +01:00 [kern_ndmpd:info:5496] [94848] DEBUG: session_parms[0] variable (RECORD_SIZE) value (131072)
Sun Jan 02 2022 06:12:15 +01:00 [kern_ndmpd:info:5496] [94848] DEBUG: session_parms[1] variable (BYTES_WRITTEN) value (984920489984)
Sun Jan 02 2022 06:12:15 +01:00 [kern_ndmpd:info:5496] [94848] DEBUG: session_parms[2] variable (WINDOW_LENGTH) value (5861539840)
Sun Jan 02 2022 06:12:15 +01:00 [kern_ndmpd:info:5496] [94848] DEBUG: session_parms[3] variable (WINDOW_OFFSET) value (984920489984)
Sun Jan 02 2022 06:12:15 +01:00 [kern_ndmpd:info:5496] [94848] DEBUG: session_parms[4] variable (BYTES_LEFT_TO_READ) value (0)