Networker

Re: [Networker] Tape positioning by record is disabled.

2003-07-14 15:06:25
Subject: Re: [Networker] Tape positioning by record is disabled.
From: George Sinclair <George.Sinclair AT NOAA DOT GOV>
To: NETWORKER AT LISTMAIL.TEMPLE DOT EDU
Date: Mon, 14 Jul 2003 15:06:12 -0400
We, too, used to receive similar error messages. This generally means
that you do not have the proper device file configuration set up. I
think it has to do with variable block size, or some such thing, wherein
NetWorker want to determine the size to use so it has to be set to zero
(I recall?) to allow it to do this. We're running Red Hat Linux, and in
our case, the culprit was our failure to create an /etc/stinit.def file.
Never mind the fact that you have to have the correct entries. We didn't
even have the file period. Once we created the file with the necessary
contents and rebooted, our problems went away. We would still see these,
though, if we tried to recover data from tapes that had been created
prior to the changes. If you're running another flavor of unix then the
proper device configuration file will differ. I think Sun uses st.conf.
But, again, this sort of mischief can be solved by similar withcraft.
You just have to configure the proper file.

George

"Paige, Steve" wrote:
>
> What does this error message mean?  Do I have a tape device(s) misconfigured?
>
> 07/14/03 04:48:30 nsrd: media notice: Volume "057978" on device 
> "rd=usorlu21:/dev/rmt/11cbn": Cannot decode block. Verify the device 
> configuration. Tape positioning by record is disabled.
>
> Thanks
> steve
> *******************************************
> Steve Paige
> UNIX System Administrator
> 407-355-6819 Desk
> 407-929-6483 Mobile
> steve.paige AT chep DOT com
>
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