NDMP or ndmpcopy fails by error "Write to socket failed"
Applies to
- ONTAP 9
- Network Data Management Protocol (NDMP)
- Data Management Application (DMA)
Issue
- NetBackup NDMP backup fails by error "
Write to socket failed". - "
Interrupted system call" and "Write to socket failed" is detected in/mroot/etc/log/backup.
<VOLUME_PATH> Phase_change (IV)
<VOLUME_PATH> Log_msg (Write DIRNET for BKP ID=<ID>, type=3 interrupted while at waiting for max inflight. Error = Interrupted system call.)
<VOLUME_PATH> Error (Write to socket failed)
<VOLUME_PATH> Tape_close (ndmp)
- Receiving
ABORTcommand can be seen in/mroot/etc/log/mlog/ndmpd.logwith debug option.
eb DEBUG: DMA>>S V4 sequence=10 (0xa)
ec DEBUG: Time_stamp=0x61142838 (Aug 12 04:42:48 2021)
ed DEBUG: message type=0 (NDMP4_MESSAGE_REQUEST)
ee DEBUG: message_code=0x902 (NDMP4_CONNECT_CLOSE)
ef DEBUG: reply_sequence=0 (0x0)
f0 DEBUG: error_code=0 (NDMP4_NO_ERR)
f1 DEBUG: generic_ndmp_dispatch bytes left 0 (pre-body decode)
f2 DEBUG: generic_ndmp_dispatch bytes left 0 (post body decode)
f3 DEBUG: generic_dispatch: action start
f4 DEBUG: free_ndmp_req_request: put on free pool 0x80ad2f340 (0)
f5 DEBUG: service_terminate called
f6 DEBUG: received CLOSE command from [172.30.111.222].30971
f7 DEBUG: cleanupOnClose: cookie = 0
f8 DEBUG: DATA session_close: called
f9 DEBUG: DATA new_request returns 0x80ac86dc0 (count 1)
fa INFO: DATA: sending backup ABORT
fb DEBUG: COMMON_State::data_abort: called
fc DEBUG: MGMT_RPC::client_send: 0x80aa1f7c0 msg 0x7fffffffe558 start
fd DEBUG: MGMT_RPC::client_send: 0x80aa1f7c0 sending xid 1761411295 (0x68fd00df) default timeout 0
fe DEBUG: C>BKUP (ndmp_client) NDMPD2BR_SESSION_ABORT