catalog backup is using 2 tapes, I found below link and tried whats mentioned, but solution is not working for me. My environment too has 2 drives, I have created a seperate STU for catalog and made maximum concurrent write drives to 2, but it didnt helped.
https://www-secure.symantec.com/connect/forums/how...
Netbackup version: 7.6.0.1
OS:Linux
bpstulist,bppllist and catalog job details are pasted below, its using tape 000085 and 000086
Label: catalog-hcart-robot-tld-0
Storage Unit Type: Media Manager
Host Connection: xxxx.xxx.com
Number of Drives: 1
On Demand Only: yes
Max MPX/drive: 1
Density: hcart - 1/2 Inch Cartridge
Robot Type/Number: TLD / 0
Max Fragment Size: 1048575 MB
06:26:09 # bppllist CATALOG -U
------------------------------------------------------------
Policy Name: CATALOG
Policy Type: NBU-Catalog
Active: yes
Effective date: 10/31/2012 13:43:47
Mult. Data Streams: no
Client Encrypt: no
Checkpoint: no
Policy Priority: 0
Max Jobs/Policy: 1
Disaster Recovery: 0
Collect BMR info: no
Residence: catalog-hcart-robot-tld-0
Volume Pool: CatalogBackup
Server Group: *ANY*
Keyword: (none specified)
Data Classification: -
Residence is Storage Lifecycle Policy: no
Application Discovery: no
Discovery Lifetime: 0 seconds
ASC Application and attributes: (none defined)
Granular Restore Info: no
Ignore Client Direct: no
Enable Metadata Indexing: no
Index server name: NULL
Use Accelerator: no
HW/OS/Client: Linux Linux xxxx.com
Include: CATALOG_DRIVEN_BACKUP
Schedule: full
Type: Full Backup
Frequency: every 1 day
Excluded Dates----------
No specific exclude dates entered
No exclude days of week entered
PFI Recovery: 0
Maximum MPX: 1
Retention Level: 0 (1 week)
Number Copies: 1
Fail on Error: 1
Residence: (specific storage unit not required)
Volume Pool: (same as policy volume pool)
Server Group: (same as specified for policy)
Residence is Storage Lifecycle Policy: 0
Schedule indexing: 0
Daily Windows:
Sunday 05:00:00 --> Sunday 07:00:00
Monday 05:00:00 --> Monday 07:00:00
Tuesday 05:00:00 --> Tuesday 07:00:00
Wednesday 05:00:00 --> Wednesday 07:00:00
Thursday 05:00:00 --> Thursday 07:00:00
Friday 05:00:00 --> Friday 07:00:00
Saturday 05:00:00 --> Saturday 07:00:00
Catalog Disaster Recovery Configuration:
Email Address:
Disk Path: /usr/openv/netbackup/CATALOG_BACKUP
User Name: root
Pass Word: xxxx
Critical policy: (none specified)
06/02/2014 06:27:53 - Info bpdbm (pid=18496) staging relational database files for catalog backup
06/02/2014 06:27:53 - Info bpdbm (pid=18496) staging NBAZDB backup to /usr/openv/db/staging
06/02/2014 06:27:53 - Info bpdbm (pid=18496) done staging NBAZDB backup to /usr/openv/db/staging
06/02/2014 06:27:53 - Info bpdbm (pid=18496) staging NBDB backup to /usr/openv/db/staging
06/02/2014 06:27:55 - Info bpdbm (pid=18496) done staging NBDB backup to /usr/openv/db/staging
06/02/2014 06:31:06 - Info bpdbm (pid=18496) validating NBAZDB backup in /usr/openv/db/staging
06/02/2014 06:31:07 - Info bpdbm (pid=18496) done validating NBAZDB backup in /usr/openv/db/staging
06/02/2014 06:31:07 - Info bpdbm (pid=18496) validating NBDB backup in /usr/openv/db/staging
06/02/2014 06:31:10 - Info bpdbm (pid=18496) done validating NBDB backup in /usr/openv/db/staging
the requested operation was successfully completed (0)
06/02/2014 06:27:57 - Info nbjm (pid=15510) starting backup job (jobid=188097) for client xxxx.xxx.com, policy CATALOG, schedule full
06/02/2014 06:27:57 - Info nbjm (pid=15510) requesting STANDARD_RESOURCE resources from RB for backup job (jobid=188097, request id:{2F02120A-EA38-11E3-A4D9-69BE6C24D2B3})
06/02/2014 06:27:57 - requesting resource catalog-hcart-robot-tld-0
06/02/2014 06:27:57 - requesting resource xxxx.xxx.com.NBU_CLIENT.MAXJOBS.xxxx.xxx.com
06/02/2014 06:27:57 - requesting resource xxxx.xxx.com.NBU_POLICY.MAXJOBS.CATALOG
06/02/2014 06:27:58 - Info bpbrm (pid=18517) xxxx.xxx.com is the host to backup data from
06/02/2014 06:27:58 - Info bpbrm (pid=18517) reading file list for client
06/02/2014 06:27:58 - Info bpbrm (pid=18517) listening for client connection
06/02/2014 06:27:58 - Info bpbrm (pid=18517) INF - Client read timeout = 1800
06/02/2014 06:27:58 - Info bpbrm (pid=18517) accepted connection from client
06/02/2014 06:27:58 - Info bpbrm (pid=18517) start bpbkar on client
06/02/2014 06:27:58 - granted resource xxxx.xxx.com.NBU_CLIENT.MAXJOBS.xxxx.xxx.com
06/02/2014 06:27:58 - granted resource xxxx.xxx.com.NBU_POLICY.MAXJOBS.CATALOG
06/02/2014 06:27:58 - granted resource 000085
06/02/2014 06:27:58 - granted resource HP.ULTRIUM4-SCSI.001
06/02/2014 06:27:58 - granted resource catalog-hcart-robot-tld-0
06/02/2014 06:27:58 - estimated 0 kbytes needed
06/02/2014 06:27:58 - Info nbjm (pid=15510) started backup (backupid=xxxx.xxx.com_1401701278) job for client xxxx.xxx.com, policy CATALOG, schedule full on storage unit catalog-hcart-robot-tld-0
06/02/2014 06:27:58 - started process bpbrm (pid=18517)
06/02/2014 06:27:58 - connecting
06/02/2014 06:27:58 - connected; connect time: 0:00:00
06/02/2014 06:27:58 - Info dbclient (pid=18522) Backup started
06/02/2014 06:27:58 - Info dbclient (pid=18501) Backup started
06/02/2014 06:27:58 - Info bpbrm (pid=18517) bptm pid: 18523
06/02/2014 06:27:58 - Info bptm (pid=18523) start
06/02/2014 06:27:58 - Info bptm (pid=18523) using 65536 data buffer size
06/02/2014 06:27:58 - Info bptm (pid=18523) using 30 data buffers
06/02/2014 06:27:58 - Info bptm (pid=18523) start backup
06/02/2014 06:27:58 - Info bptm (pid=18523) Waiting for mount of media id 000085 (copy 1) on server xxxx.xxx.com.
06/02/2014 06:27:58 - mounting 000085
06/02/2014 06:28:01 - Error bptm (pid=18523) error requesting media, TpErrno = Robot operation failed
06/02/2014 06:28:01 - Warning bptm (pid=18523) media id 000085 load operation reported an error
06/02/2014 06:28:01 - current media 000085 complete, requesting next media Any
06/02/2014 06:28:19 - Info bptm (pid=18523) Waiting for mount of media id 000085 (copy 1) on server xxxx.xxx.com.
06/02/2014 06:28:19 - granted resource 000085
06/02/2014 06:28:19 - granted resource HP.ULTRIUM4-SCSI.000
06/02/2014 06:28:19 - granted resource catalog-hcart-robot-tld-0
06/02/2014 06:28:19 - mounting 000085
06/02/2014 06:29:04 - Info bptm (pid=18523) media id 000085 mounted on drive index 0, drivepath /dev/nst1, drivename HP.ULTRIUM4-SCSI.000, copy 1
06/02/2014 06:29:04 - mounted 000085; mount time: 0:00:45
06/02/2014 06:29:04 - positioning 000085 to file 7
06/02/2014 06:30:51 - positioned 000085; position time: 0:01:47
06/02/2014 06:30:51 - begin writing
06/02/2014 06:30:54 - Info dbclient (pid=18501) bpbkar waited 1848 times for empty buffer, delayed 1869 times
06/02/2014 06:30:54 - Info dbclient (pid=18501) done. status: 0
06/02/2014 06:30:54 - Info bptm (pid=18523) waited for full buffer 4 times, delayed 69 times
06/02/2014 06:31:05 - Info bptm (pid=18523) EXITING with status 0 <----------
06/02/2014 06:31:05 - Info bpbrm (pid=18517) validating image for client xxxx.xxx.com
06/02/2014 06:31:05 - Info dbclient (pid=18501) done. status: 0: the requested operation was successfully completed
06/02/2014 06:31:05 - end writing; write time: 0:00:14
the requested operation was successfully completed (0)
06/02/2014 06:31:13 - Info nbjm (pid=15510) starting backup job (jobid=188098) for client xxxx.xxx.com, policy CATALOG, schedule full
06/02/2014 06:31:13 - Info nbjm (pid=15510) requesting STANDARD_RESOURCE resources from RB for backup job (jobid=188098, request id:{A3D7C692-EA38-11E3-8C17-AD55151A262A})
06/02/2014 06:31:13 - requesting resource catalog-hcart-robot-tld-0
06/02/2014 06:31:13 - requesting resource xxxx.xxx.com.NBU_CLIENT.MAXJOBS.xxxx.xxx.com
06/02/2014 06:31:13 - requesting resource xxxx.xxx.com.NBU_POLICY.MAXJOBS.CATALOG
06/02/2014 06:31:14 - Info bpbrm (pid=22077) xxxx.xxx.com is the host to backup data from
06/02/2014 06:31:14 - Info bpbrm (pid=22077) reading file list for client
06/02/2014 06:31:14 - Info bpbrm (pid=22077) starting bpbkar on client
06/02/2014 06:31:14 - Info bpbkar (pid=22087) Backup started
06/02/2014 06:31:14 - Info bpbrm (pid=22077) bptm pid: 22088
06/02/2014 06:31:14 - granted resource xxxx.xxx.com.NBU_CLIENT.MAXJOBS.xxxx.xxx.com
06/02/2014 06:31:14 - granted resource xxxx.xxx.com.NBU_POLICY.MAXJOBS.CATALOG
06/02/2014 06:31:14 - granted resource 000086
06/02/2014 06:31:14 - granted resource HP.ULTRIUM4-SCSI.001
06/02/2014 06:31:14 - granted resource catalog-hcart-robot-tld-0
06/02/2014 06:31:14 - estimated 0 kbytes needed
06/02/2014 06:31:14 - Info nbjm (pid=15510) started backup (backupid=xxxx.xxx.com_1401701474) job for client xxxx.xxx.com, policy CATALOG, schedule full on storage unit catalog-hcart-robot-tld-0
06/02/2014 06:31:14 - started process bpbrm (pid=22077)
06/02/2014 06:31:14 - connecting
06/02/2014 06:31:14 - connected; connect time: 0:00:00
06/02/2014 06:31:14 - Info bptm (pid=22088) start
06/02/2014 06:31:14 - Info bptm (pid=22088) using 65536 data buffer size
06/02/2014 06:31:14 - Info bptm (pid=22088) using 30 data buffers
06/02/2014 06:31:14 - Info bptm (pid=22088) start backup
06/02/2014 06:31:14 - Info bptm (pid=22088) Waiting for mount of media id 000086 (copy 1) on server xxxx.xxx.com.
06/02/2014 06:31:14 - mounting 000086
06/02/2014 06:32:00 - Info bptm (pid=22088) media id 000086 mounted on drive index 1, drivepath /dev/nst0, drivename HP.ULTRIUM4-SCSI.001, copy 1
06/02/2014 06:32:00 - mounted 000086; mount time: 0:00:46
06/02/2014 06:32:00 - positioning 000086 to file 7
06/02/2014 06:34:06 - positioned 000086; position time: 0:02:06
06/02/2014 06:34:06 - begin writing
06/02/2014 06:37:21 - Warning bpbrm (pid=22077) from client xxxx.xxx.com: WRN - /usr/openv/netbackup/db/error/daily_messages.log is only being backed up as a symbolic link
06/02/2014 06:37:21 - Info bpbkar (pid=22087) bpbkar waited 85717 times for empty buffer, delayed 97418 times
06/02/2014 06:37:21 - Info bptm (pid=22088) waited for full buffer 921 times, delayed 1899 times
06/02/2014 06:37:40 - Info bptm (pid=22088) EXITING with status 0 <----------
06/02/2014 06:37:40 - Info bpbrm (pid=22077) validating image for client xxxx.xxx.com
06/02/2014 06:37:40 - Info bpbkar (pid=22087) done. status: 0: the requested operation was successfully completed
06/02/2014 06:37:40 - end writing; write time: 0:03:34
the requested operation was successfully completed (0)