Hi All,
I'm from Huawei team. Now I encounter a issue about off-host snaphsot backup.
I installed netvault on two physical servers. one (server1) is for product server, another (server2) is for off-host backup server. both hosts connect with Huawei storage via iSCSI. and both hosts have been added to one host group at storage side.
then I created a backup defined the backup set on a LUN belonged to Huawei storage and enabled off-host backup option with select server2 as off-host server.
when executing backing up, the task failed with this error:
**** Textual log dump from NetVault host 'WIN-MJEELNG30OM' at date '2019/02/13 00:30:31'. **** Job Message 2019/02/12 23:54:37 65 Jobs WIN-MJEELNG30OM Starting job 65 'off-host-backup-1' (Phase 1 , Instance 1) for UID 1 Job Message 2019/02/12 23:54:38 65 Data Plugin WIN-MJEELNG30OM Starting Backup Job Message 2019/02/12 23:54:38 65 Data Plugin WIN-MJEELNG30OM File System 12.2.0.8 Backup Job Message 2019/02/12 23:54:45 65 Data Plugin WIN-MJEELNG30OM Adding volumes to the VSS snapshot set Job Message 2019/02/12 23:54:45 65 Data Plugin WIN-MJEELNG30OM Running VSS PrepareForBackup command Job Message 2019/02/12 23:54:45 65 Data Plugin WIN-MJEELNG30OM Running VSS Command DoSnapshotSet Job Message 2019/02/12 23:54:47 65 Data Plugin WIN-MJEELNG30OM VSS Command DoSnapshotSet has completed Job Message 2019/02/12 23:54:52 65 Data Plugin WIN-MJEELNG30OM Successfully created snapshot: name ='20190112235452HP_160.182_LUN052', on Lun ='HP_160.182_LUN052' Job Message 2019/02/12 23:54:52 65 Data Plugin WIN-MJEELNG30OM Created the VSS snapshot Job Message 2019/02/12 23:54:52 65 Data Plugin WIN-MJEELNG30OM Starting snapshot offhost child process on 'WIN-O9QSIVGSS35' Job Message 2019/02/12 23:54:53 65 Data Plugin WIN-O9QSIVGSS35 Snapshot offhost child process backup started Job Message 2019/02/12 23:54:53 65 Data Plugin WIN-O9QSIVGSS35 Starting Backup Job Message 2019/02/12 23:54:53 65 Data Plugin WIN-O9QSIVGSS35 File System 12.2.0.8 Backup Warning 2019/02/12 23:54:53 65 Data Plugin WIN-O9QSIVGSS35 Failed to initialize the log of items processed in the job Job Message 2019/02/12 23:54:53 65 Data Plugin WIN-O9QSIVGSS35 Mounting snapshot(s) for offhost backup Error 2019/02/12 23:55:48 65 Data Plugin WIN-O9QSIVGSS35 Failed to mount volume ssid='d9707958a47a3041b701cfff4c2e4a8b00000000' at (null) Error 2019/02/12 23:55:48 65 Data Plugin WIN-O9QSIVGSS35 Failed to mount snapshot. Error: Internal error Error 2019/02/12 23:55:48 65 Data Plugin WIN-O9QSIVGSS35 An error occurred when processing the final tree of items to backup Severe Error 2019/02/12 23:55:48 65 Data Plugin WIN-O9QSIVGSS35 Failed to prepare the selection tree and backup options Severe Error 2019/02/12 23:55:48 65 Data Plugin WIN-MJEELNG30OM An error occurred during snapshot offhost backup Job Message 2019/02/12 23:55:49 65 Data Plugin WIN-O9QSIVGSS35 Job completed with warnings/errors Error 2019/02/12 23:55:55 65 Data Plugin WIN-MJEELNG30OM Failed to destroy snapshot set id='ccf4cf2a1a67144ab8eef4888ce737f700000000', error = Internal error Error 2019/02/12 23:55:55 65 Jobs WIN-MJEELNG30OM Fatal error: Backup failed Error 2019/02/12 23:55:55 65 Jobs WIN-MJEELNG30OM Job Status: Backup Failed Job Message 2019/02/12 23:55:55 65 Jobs WIN-MJEELNG30OM Finished job 65, phase 1 (instance 1)
from storage side, i noticed the snapshot has been mapped to the server2. and I can manually rescan to find the snapshot on server2. I don't know why Netvault cannot find the snapshot.