On Thu, 2005-17-02 at 13:05 -0500, Terry Lemons wrote:
> Hi Carl
> 
> Thanks for posting this information!
> 
> Regarding your "Failed to read 65536 byte block with 32768 byte read."
> issue, this sounds like a problem that's reported fairly often on this list.
> It sounds like NetWorker's default block size for your tape device can't
> work in your environment, perhaps because a driver is not allowing a 64KB
> read?
> 
> Hope this helps.
> tl
> 

This is applicable to the linux kernel, I don't recall seeing it under
Tru64.

It is actually an informational message coming out of st.c.  The read is
retried with the correct size.  It can probably be eliminated by
cranking down the logging level but the message itself is pretty
harmless.

> -----Original Message-----
> From: Legato NetWorker discussion [mailto:NETWORKER AT LISTSERV.TEMPLE DOT 
> EDU] On
> Behalf Of Carl Bergmann
> Sent: Thursday, February 17, 2005 1:58 AM
> To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
> Subject: Re: [Networker] Very Frustrating Problem
> 
> Hello Ken
> I'v struggeled with that problem for months. I have a case with Dell's
> Goldsupport and RedHat. I'm running Networker 7.1.3 on a Dell Power Edge
> 2800 with a Dell PV136T library with 6 LTO-2 tapedrives. OS is RHEL ES 3
> v. u3. SCSI-adapters are Adaptec 2860D. I'v found out that the problem
> is the aic7xxx driver that come's with redhat. It's a very old version
> (6.2.36). I'v mannaged to instal a newer driver (6.3.9) from adaptec and
> the only messages(error) I now get in /var/log/messages is a warning:
> kernel: st4: Failed to read 65536 byte block with 32768 byte read.
> All my backup run's ok, and I'm able to restore from all my tapes. 
> Yesterday I installed RHEL ES v 4 (just released) and hoped that the
> aic7xxx driver had been replaced. But no, it's still version 6.2.36. I'm
> looking forward to get a new rpm/driver from RedHat/Dell that solve the
> problem.
> Nb. If you look at the version  history from adaptec on the driver
> aic7xxx there has been a lot of improvements from 6.2.36 to 6.3.9 so I
> simply donn't understand why RedHat is still using the old version.
> Regards
> Carl Bergmann
> Risoe Nat. Lab.
> DK
> 
> --
> Note: To sign off this list, send a "signoff networker" command via email
> to listserv AT listserv.temple DOT edu or visit the list's Web site at
> http://listserv.temple.edu/archives/networker.html where you can
> also view and post messages to the list. Questions regarding this list
> should be sent to stan AT temple DOT edu
> =*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=

--
Note: To sign off this list, send a "signoff networker" command via email
to listserv AT listserv.temple DOT edu or visit the list's Web site at
http://listserv.temple.edu/archives/networker.html where you can
also view and post messages to the list. Questions regarding this list
should be sent to stan AT temple DOT edu
=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=