Networker

Re: [Networker] Tape Positioning by Record is Disabled on AIT Drives??????

2003-12-14 16:35:58
Subject: Re: [Networker] Tape Positioning by Record is Disabled on AIT Drives??????
From: "Shelley L. Shostak" <sls AT QSTECH DOT COM>
To: NETWORKER AT LISTMAIL.TEMPLE DOT EDU
Date: Sun, 14 Dec 2003 13:35:46 -0800
On Fri, 12 Dec 2003, Yura Pismerov wrote:

> Subject: Re: [Networker] Tape Positioning by Record is Disabled on AIT
>     Drives??????
>
> Chad Smykay wrote:
>
> >I am sorry to say my friend that re-labeling does not suffice.  When you
> >"re-label" a volume in networker it does not write back over the labeled
> >block size set for that tape.  OHHH GOD HOW I WISH IT DID!  In fact I am
> >planning on putting in an RFE for this.  I mean if the Legato is a tape
> >backup software would it not be nice if you could tell it or check off an
> >option like "Re-write label."  That would just make to much sense.
> >Otherwise we have been doing the same thing you have.  Rewind tape tar some
> >data to it then have NetWorker re-label the volume.
> >
>
>     Why tar ?
>     What's wrong with /etc/LGTOuscsi/erase ?
>     man erase...
>

Well, some implementations of "mt" give an erase option and it does just that;
it erases the ENTIRE tape.  It is much easier to use tar or dd to overwrite
the beginning of the tape.

Shelley

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