Sounds like the tape is physically damaged.  If you can't read the label
I think your pretty much out of luck.


-----Original Message-----
From: Dave Mussulman
To: Legato NetWorker discussion; Robert Maiello
Sent: 6/13/2003 5:27 PM
Subject: Re: [Networker] Friday the 13th strikes!

The volume exists in the media database and I can see the savesets that
are associated with it.  I have tried to inventory the tape on different
drives, and it never reads the label.

Dave

On Fri, Jun 13, 2003 at 02:13:05PM -0400, Robert Maiello wrote:
> Did you try an inventory of the slot its in and have it load the tape:
> nsrjb -IE -S # ?    Did you try a library reset, then a reinventory:
> nsrjb -H , then nsrjb -IE.
>
> Does the tape name appear in the media database (or the
> volume window)?   If none of these are yes and you know it has the
data on
> it you can scan it in with scanner command.
>
> It could be tape is damaged though and the drive cannot read the label
on
> it.  I'd definitely try inventoring or loading it in another drive.
>
>
> Robert Maiello
> Thomson Healthcare
>
> On Fri, 13 Jun 2003 12:00:49 -0500, Dave Mussulman
<mussulma AT CS.UIUC DOT EDU> wrote:
>
> >I need to do a restore, and I don't trust one of my tapes.  I've
never
> >been in this scenario before, so I'm not sure the best way to
proceed.
> >
> >Here's the background.  Last weekend we took a monthly (level 3)
backup.
> >This week, one of our tape drives died with a monthly pool tape in
it.
> >The service engineers for our tape library came out and removed the
tape
> >and replaced the drive.  (That completed this morning.)  When I
placed
> >the freed tape back into the jukebox and reinventoried the slots,
> >Networker doesn't identify it anymore.  It's showing up as an
unlabeled
> >tape.  I noticed this about an hour ago and already started planning
> >another monthly backup for the clients who had data on this tape.  No
> >"big" deal.
> >
> >Then I get a call for an emergency restore which (you guessed it,)
would
> >require this questionable tape.
> >
> >So I have full/monthly/incrementals leading up to 6/7/03, then the
bad
> >monthly tape on 6/8, and then incrementals off that up to today.
> >
> >What's the best way to restore this?  How do I recover incrementals
if
> >the tape they rely on is unavailable?  Do I mark the tape or savesets
as
> >suspect and Networker copes?  Or do a series of saveset recovers for
the
> >last few incremental backups?  Any advice would be appreciated.
Thanks,
> >
> >Dave
> >
> >--
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