Dave Sherohman wrote:
>
> taper: tape Daily08 kb 0 fm 0 writing filemark: Input/output error
Which indicates it could write anything to tape yet!
It had a problem just after writing the label already, seems to me.
> Is hardware compression controlled by the host or the drive? I'm
> currently using a Linux host and a Quantum DLT4000 drive; the drive's
> compression LED stays on (my predecessor set this up and I'm only now
> having the need to look closely at it), so I assume it's using hardware
> compression. So far, I've only been able to turn it off by using the
> drive's "Density Override" button; is there another/a better way? (Yeah,
> I would RTFdriveM, but I have no idea where TFM is. Disappeared before
> I got here.)
On the drive, you can probably do it with the buttons.
On the host you can control it with the 'mt-st compression' command.
But be warned that when you have a tape written in some density/compression
mode the drive automatically adjusts itself to those settings when you
insert the tape.
That means that if you have tapes written with hardware compression on,
amanda will read the tape to verify the label, and thereby getting
the parameters set again to what was done before.
To get out of this, you'll have to relabel a tape manually, by e.g.
first setting the buttons, then immediately write some data to it (do
not first read the tape!).
>
> It gets worse... This morning, I didn't have an amanda report waiting
> in my mailbox, so I tried to ssh to the tape host. No response.
> Go into the server room, punch it up on the KVM, and see a kernel panic.
> Looks like swap got hosed and the machine locked up while running the
> backup last night. *sigh*
These are all very strong indications of some hardware malfunction.
(unless you recently upgraded your kernel to some experimental version :-)
--
Paul Bijnens, Lant Tel +32 16 40.51.40
Interleuvenlaan 15 H, B-3001 Leuven, BELGIUM Fax +32 16 40.49.61
http://www.lant.com/ email: [EMAIL PROTECTED]
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