Networker

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

2003-07-14 19:25:43
Subject: Re: [Networker] Tape positioning by record is disabled.
From: "Paige, Steve" <Steve.Paige AT CHEP DOT COM>
To: NETWORKER AT LISTMAIL.TEMPLE DOT EDU
Date: Mon, 14 Jul 2003 19:25:38 -0400
Even if only occurs rarely? (write I/O errors)  I'll have to talk with my Sun 
engineer again.

thanks
Steve

-----Original Message-----
From: Jose Quinteiro [mailto:jquintei AT LEGATO DOT COM]
Sent: Monday, July 14, 2003 3:58 PM
To: NETWORKER AT LISTMAIL.TEMPLE DOT EDU
Subject: Re: [Networker] Tape positioning by record is disabled.


Hello Steve,

That is not entirely correct.  You must install the latest st patches to
get support for some tape device types.  What you are experiencing is
most likely caused by an unrecognized device type.

Saludos,
Jose.

Paige, Steve wrote:
> Thanks for the reply, from what I understand Solaris 8 does not use the 
> st.conf because the devices are now in the kernel.  Our Solaris 8 NetWorker 
> server does not have a st.conf file configured.  Right before the message: 
> Cannot decode block. Verify the device configuration. Tape positioning by 
> record is disabled.  We see a writing I/O error, so I am thinking the tape 
> posistioning message was related to the media error (and I have read that in 
> the Legato Error Messages pdf from Legato)
>
> Anyone else want to comment on the st.conf on Solaris 8 (whether it is needed 
> or not)?
>
> Thanks for replying George, I'll let you know what happens.
>
> steve
>
> -----Original Message-----
> From: George Sinclair [mailto:George.Sinclair AT noaa DOT gov]
> Sent: Monday, July 14, 2003 3:06 PM
> To: Legato NetWorker discussion; Paige, Steve
> Subject: Re: [Networker] Tape positioning by record is disabled.
>
>
> 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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