Networker

Re: [Networker] Recover SQL data using scanner

2006-01-20 16:11:10
Subject: Re: [Networker] Recover SQL data using scanner
From: Dag Nygren <dag AT NEWTECH DOT FI>
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Date: Fri, 20 Jan 2006 23:08:51 +0200
> Update on this issue.
> 
> I am happy to report that NetWorker will, in fact, mount tapes which
> have no headers. It spends some time synhronising with the blocks it
> finds and then the tape is ready for use.

That is good to hear, as the very reason for the "miniheaders" in between
the files on the tape is to allow reading a prtially corrupted tape.
Never tested this though.

> I used mminfo to check the tape position of the data I needed.
> (mediafile, mediarec).
> 
> Then using scanner I verified that starting filemark of the tape was
> lower than the tape position of the data (i.e. the data was on the tape
> and had not been overwritten)
> 
> Then restored the data.

Thanks a lot for the info,
if you don't mind I will use it when teaching Networker training classes :-)

Dag

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