Veritas-bu

[Veritas-bu] Reading dbbackup tape (and DB backups in general)

2001-12-18 13:20:55
Subject: [Veritas-bu] Reading dbbackup tape (and DB backups in general)
From: Jason.Ahrens AT telus DOT com (Jason Ahrens)
Date: Tue, 18 Dec 2001 13:20:55 -0500
I'm having a problem.

I'm attempting to test the validity of the NetBackup database tape I have.

The manual tells me I can use 'bprecover' in list mode to see the header.
However, when I try, I get this:
veritasmaster1:~$ bprecover -l -ev 010365 -d hcart -v
load of media id 010365 failed, error requesting media (tpreq)

There is a separate media and master server here. That is from the master.
The bprecover command does not exist on the media server.

So after this I tried using 'tar' on the media server: (results below)

There is definitly data there. With tar I can pull up the tables of
contents. Although looking at the file lists I'm not totally convinced
*everything* is ther that should be.

I guess then, this boils down to, how *is* the right way to use 'bprecover',
and do I have everything included in my NetBackup DB backup I should?

My DB Backup is defined as:
/usr/openv/netbackup/db
/usr/openv/var
/usr/openv/volmgr/database
veritasmedia1:/usr/openv/netbackup/db/media

(results from tar)
veritasmedia1:~$ tpreq -ev 010365 -d hcart -p NetBackup -f /tmp/mount.010365
veritasmedia1:~$ cat /tmp/mount.010365 
VERSION 1 UNCOMPRESSED
veritasmedia1
010365
12/18/01 07:45:18
32768
4
IMAGE1 = /usr/openv/netbackup/db
IMAGE2 = /usr/openv/var
IMAGE3 = /usr/openv/volmgr/database
IMAGE4 = veritasmedia1:/usr/openv/netbackup/db/media
veritasmedia1:~$ vmoprcmd | grep 010365
  0 hcart    TLD    root       Yes   010365  010365   Yes     Yes        0 
veritasmedia1:~$ mt -f /dev/rmt/0cbn status
StorageTek 9840 tape drive:
   sense key(0x0)= No Additional Sense   residual= 0   retries= 0
   file no= 1   block no= 3
veritasmedia1:~$ mt -f /dev/rmt/0cbn rewind
veritasmedia1:~$ mt -f /dev/rmt/0cbn fsf 1 
veritasmedia1:~$ mt -f /dev/rmt/0cbn status
StorageTek 9840 tape drive:
   sense key(0x0)= No Additional Sense   residual= 0   retries= 0
   file no= 1   block no= 0
veritasmedia1:~$ /usr/openv/netbackup/bin/tar -t -b 64 -f /dev/rmt/0cbn
/
/opt/
/opt/openv/
/opt/openv/netbackup/
/opt/openv/netbackup/db/
/opt/openv/netbackup/db/Class_att_defs
/opt/openv/netbackup/db/media/
/opt/openv/netbackup/db/media/tpreq/
/opt/openv/netbackup/db/media/tpreq/pend_010236
/opt/openv/netbackup/db/media/tpreq/010131
/opt/openv/netbackup/db/media/mediaDB
/opt/openv/netbackup/db/media/db.lockfile
/opt/openv/netbackup/db/media/errors
/opt/openv/netbackup/db/images/
/opt/openv/netbackup/db/bpenableLN.scr
/opt/openv/netbackup/db/bpenableTD.scr
/opt/openv/netbackup/db/IDIRSTRUCT
/opt/openv/netbackup/db/error/
/opt/openv/netbackup/db/error/log_0964756800
/opt/openv/netbackup/db/error/log_0965016000
/opt/openv/netbackup/db/error/log_0967435200
/opt/openv/netbackup/db/error/log_0970718400
/opt/openv/netbackup/db/error/log_0971409600
/opt/openv/netbackup/db/error/log_0973832400
/opt/openv/netbackup/db/error/log_0974005200
/opt/openv/netbackup/db/error/log_0974091600
/opt/openv/netbackup/db/error/log_0974437200
/opt/openv/netbackup/db/error/log_0974955600
/opt/openv/netbackup/db/error/log_0979621200
/opt/openv/netbackup/db/error/log_0979794000
/opt/openv/netbackup/db/error/log_0979880400
/opt/openv/netbackup/db/error/log_0979966800
/opt/openv/netbackup/db/error/log_0980053200
/opt/openv/netbackup/db/error/log_0984978000
/opt/openv/netbackup/db/error/log_0985150800
/opt/openv/netbackup/db/error/log_0985582800
/opt/openv/netbackup/db/error/log_0985842000
/opt/openv/netbackup/db/error/log_0993009600
/opt/openv/netbackup/db/error/log_1004068800
/opt/openv/netbackup/db/error/log_1004504400
/opt/openv/netbackup/db/error/log_1006837200
/opt/openv/netbackup/db/config/
/opt/openv/netbackup/db/config/shm/
/opt/openv/netbackup/db/config/NUMBER_DATA_NUFFERS
/opt/openv/netbackup/db/config/SIZE_DATA_BUFFERS
/opt/openv/netbackup/db/config/NUMBER_DATA_NUFFERS_RESTORE
/opt/openv/netbackup/db/jobs/
veritasmedia1:~$ mt -f /dev/rmt/0cbn asf 2 
veritasmedia1:~$ /usr/openv/netbackup/bin/tar -t -b 64 -f /dev/rmt/0cbn
/
/opt/
/opt/openv/
/opt/openv/var/
/opt/openv/var/auth/
/opt/openv/var/auth/template.methods.txt
/opt/openv/var/auth/template.methods_allow.txt
/opt/openv/var/auth/template.methods_deny.txt
/opt/openv/var/auth/template.names_allow.txt
/opt/openv/var/auth/methods.txt
/opt/openv/var/auth/methods_allow.txt
/opt/openv/var/auth/methods_deny.txt
/opt/openv/var/auth/names_allow.txt
/opt/openv/var/auth/names_deny.txt
/opt/openv/var/auth/template.names_deny.txt
/opt/openv/var/license.txt
veritasmedia1:~$ mt -f /dev/rmt/0cbn asf 3
veritasmedia1:~$ /usr/openv/netbackup/bin/tar -t -b 64 -f /dev/rmt/0cbn
/
/opt/
/opt/openv/
/opt/openv/volmgr/
/opt/openv/volmgr/database/
/opt/openv/volmgr/database/external_attributes
/opt/openv/volmgr/database/external_densities
/opt/openv/volmgr/database/external_drive_mappings
/opt/openv/volmgr/database/external_drivetypes
/opt/openv/volmgr/database/globDB
/opt/openv/volmgr/database/volDB
/opt/openv/volmgr/database/ltidevs
/opt/openv/volmgr/database/robotic_def
/opt/openv/volmgr/database/poolDB
/opt/openv/volmgr/database/external_mediatypes
/opt/openv/volmgr/database/external_robot_mappings
/opt/openv/volmgr/database/external_robotics
veritasmedia1:~$ mt -f /dev/rmt/0cbn asf 4
veritasmedia1:~$ /usr/openv/netbackup/bin/tar -t -b 64 -f /dev/rmt/0cbn
/
/opt/
/opt/openv/
/opt/openv/netbackup/
/opt/openv/netbackup/db/
/opt/openv/netbackup/db/media/
/opt/openv/netbackup/db/media/tpreq/
/opt/openv/netbackup/db/media/tpreq/pend_010236
/opt/openv/netbackup/db/media/tpreq/010131
/opt/openv/netbackup/db/media/mediaDB
/opt/openv/netbackup/db/media/db.lockfile
/opt/openv/netbackup/db/media/errors
veritasmedia1:~$ tpunmount /tmp/mount.010365 

--
Jason Ahrens, Systems Analyst
TELUS Enterprise Solutions
http://www.telus.com
The Future is Friendly


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