Recently i am experiencing intermittent backup failure with read from input socket failed(636). Job detail log is attached. I have 7 media servers and this issue is related to only one media server. I am backing up vmware using method VMware_v2. I am seeking expert help to fix this issue.
OS - Windows 2008 R2 enterprise
Netbackup - 7.5.0.6
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4/3/2014 12:50:38 AM - Info nbjm(pid=4624) starting backup job (jobid=463674) for client MONFALOCPS01, policy CSD-SYD-FALMAN, schedule Cumm_Incr
4/3/2014 12:50:38 AM - estimated 127840474 Kbytes needed
4/3/2014 12:50:38 AM - Info nbjm(pid=4624) started backup (backupid=MONFALOCPS01_1396446638) job for client MONFALOCPS01, policy CSD-SYD-FALMAN, schedule Cumm_Incr on storage unit CSD-SYD-STU-PD1
4/3/2014 12:50:41 AM - started process bpbrm (908)
4/3/2014 12:50:42 AM - connecting
4/3/2014 12:50:42 AM - connected; connect time: 00:00:00
4/3/2014 12:50:58 AM - begin writing
4/3/2014 12:57:08 AM - Info bpbrm(pid=908) MONFALOCPS01 is the host to backup data from
4/3/2014 12:57:08 AM - Info bpbrm(pid=908) reading file list from client
4/3/2014 12:57:08 AM - Info bpbrm(pid=908) starting bpbkar32 on client
4/3/2014 12:57:10 AM - Info bpbkar32(pid=9840) Backup started
4/3/2014 12:57:11 AM - Info bptm(pid=7180) start
4/3/2014 12:57:11 AM - Info bptm(pid=7180) using 262144 data buffer size
4/3/2014 12:57:11 AM - Info bptm(pid=7180) setting receive network buffer to 1049600 bytes
4/3/2014 12:57:11 AM - Info bptm(pid=7180) using 30 data buffers
4/3/2014 12:57:13 AM - Info bptm(pid=7180) start backup
4/3/2014 12:58:39 AM - Info bpbkar32(pid=9840) INF - Transport Type = nbd
read from input socket failed(636)
4/3/2014 2:05:35 AM - Info bptm(pid=7180) waited for full buffer 86545 times, delayed 105364 times
4/3/2014 2:05:35 AM - Error bpbrm(pid=908) could not write FILE ADDED message to OUTSOCK
4/3/2014 2:05:35 AM - Info bpbkar32(pid=9840) bpbkar waited 20388 times for empty buffer, delayed 62487 times.
4/3/2014 2:05:39 AM - Info bptm(pid=7180) EXITING with status 0 <----------
4/3/2014 2:05:39 AM - Info syd1258(pid=7180) StorageServer=PureDisk:syd1258; Report=PDDO Stats for (syd1258): scanned: 84561847 KB, CR sent: 2026412 KB, CR sent over FC: 0 KB, dedup: 97.6%
4/3/2014 2:05:39 AM - Info bpbrm(pid=908) validating image for client MONFALOCPS01
4/3/2014 2:05:41 AM - Error bpbrm(pid=908) could not write EXIT STATUS to OUTSOCK
4/3/2014 2:05:41 AM - Info bpbkar32(pid=9840) done. status: 0: the requested operation was successfully completed