On Monday 05 June 2006 11:33, Tom Yates wrote:
> On Mon, 5 Jun 2006, Kern Sibbald wrote:
> > I'm running on kernel-2.6.16-1.2122_FC5 and not seeing the problems you
> > are. However, I have only been running that system several days.
> >
> > I recommend the following things (obviously 2-4 are unnecessary if 1
> > fixes the problem):
> >
> > 1. This still looks most like a kernel driver problem to me. Backing up
> > to kernel-2.6.16-1.2111 would most likely clear up this point.
>
> i'll try that as soon as i can clear time for a reboot, and will let the
> list know if that fixes it. knowing that you're running .2122 makes me a
> bit less worried (i feared some major API change that broke bacula across
> the board, instead of a just a driver issue with my SCSI card) - but i
> don't want to be at .2111 forever.
>
> if i could produce some kind of error that didn't involve bacula, i could
> log it with redhat's bugzilla, and try to make progress on that front.
Unfortunately, Bacula is sufficiently demanding that it often brings out
driver problems that don't show up using most Unix tape utilities, which tend
to be rather "simple" minded. They either simply write() or read(). Bacula
uses quite a lot more features of the drive.
>
> > 2. Rebuild and reinstall Bacula (in case there are some library changes).
>
> done that, both for 1.38.8 (make distclean; ./configure) and 1.38.9 (built
> from freshly unpacked tarball) - for that very reason.
>
> > 3. Clean your tape drive.
>
> good idea, i'll try it - but that way i can use dd to read and write to
> and from a blank tape (and, oddly, label it under 1.38.9 - but not then
> inventory it with an 'update slots=1 scan') makes me disinclined to
> suspect dirty tape heads. is that wrong reasoning?
>
> > 4. Mark the current Volume as Used and try a different one.
>
> tried. six tapes - three full, one part-full, two blank - *all* fail to
> read in an 'update slots scan', with the same error.
>
> thanks for such a prompt, useful response with so much to try in it. news
> as it's made.
--
Best regards,
Kern
(">
/\
V_V
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