Master and Media Server:
HARDWARE LINUX_RH_X86
VERSION NetBackup 7.5.0.5
NDMP backup hangs until NDMP timeout vaule and fails with 99. Backup hangs for only one volume (tried backup at qtree level) and runs fine for other volumes from the same filer. NetApp admin performed health check on the volume and found no issues with this volume. Volume is 70% occupied.
error log
1368763617 1 4 4 <MEDIA> 363535 363534 0 filer ndmpagent filer0: DUMP: Using Full Quota Tree Dump
1368763620 1 4 4 <MEDIA> 363535 363534 0 filer ndmpagent filer0: DUMP: Date of this level 0 dump: Fri May 17 04:06:56 2013.
1368763620 1 4 4 <MEDIA> 363535 363534 0 filer ndmpagent filer0: DUMP: Date of last level 0 dump: the epoch.
1368763620 1 4 4 <MEDIA> 363535 363534 0 filer ndmpagent filer0: DUMP: Dumping /vol/local1/alli_dev1 to NDMP connection
1368763620 1 4 4 <MEDIA> 363535 363534 0 filer ndmpagent filer0: DUMP: mapping (Pass I)[regular files]
Please suggest on how to troubleshoot further on this.