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View Backup Content

Jacky Wong_1
Occasional Advisor

View Backup Content

Dear All,

I have a backup tape that backup some very important database for my company. But I don't know what method used to backup that data. Beacause it is backup from other people and he already leave to company. When I try to use SAM --> Backup and Recovery --> Interactive Backup and Recovery --> Get list of files on devices --> It appear below error message:

Getting list of files...

frecover(2105): did not find expected file marker

frecover(5409): unable to read volume header

frecover(5418): not an fbackup volume; unable to read volume header

frecover(2105): did not find expected file marker

frecover(5412): Do you wish to try to salvage this volume? (^[yY]/^[nN])

Dear all, any idea?
Jacky Wong
David Burgess
Esteemed Contributor

Re: View Backup Content


What do you backup with now? Try using that to read the tape.

Try tar,
This will read the tape, but not restore.

mt -t /dev/rmt/0m rewind
tar -tvf /dev/rmt/0m

Where /dev/rmt/0m is your tape device.


Steven Sim Kok Leong
Honored Contributor

Re: View Backup Content


Do you have omniback installed? Omniback does a very good job of identifying the media (e.g. tar, fbackup, cpio etc).

If not, you can try a few of the common backup utilities to try reading a listing from the tape using tar, gtar, dump, cpio etc.

Hope this helps. Regards.

Steven Sim Kok Leong
Email: Homepage:
Trond Haugen
Honored Contributor

Re: View Backup Content

Since this was importante data the backup routine should have been documented. Seems the former sys admin failed there. When you find out what was used you should document it.
Could there be any cron job for the backup? Or script in ~root?

T G Manikandan
Honored Contributor

Re: View Backup Content

just try using
frecover -i Option to see whether you can see the list of files on the tape
check this link for one of the previous posts.,,0xb9998cc5e03fd6118fff0090279cd0f9,00.html

check for this patch.This is the fbackup/frecover patch.

check whether you have inserted the right tape.If the tape is new or the backup was taken using tar,cpio and when you use frecover you get this error.