On Wed, Apr 07, 2004 at 11:25:10AM -0700, Dege, Robert C. wrote:
>
> Hi,
>
> I'm currently having problems restoring files from my amanda backup system. I am
> able to narrow the problem down to my AIT-2 tape drive. If I restore files from
> amanda backups that are still on the holding disk, I have a successful restore. If
> I restore files from any of the AIT-2 tapes, I get tar errors.
what platform/OS is your tapehost?
> So I have a few questions:
>
> 1) When amanda uses tar to backup the data, what is the blocking size that amanda
> uses?
no idea.
> 2) If anyone here is using an sdx-500 AIT-2 tape drive, what are your dip switches
> set to? (I'm wondering if I need to enable variable block sizing on the drive).
from the Fine Manual:
O O O O O O I O
1 2 3 4 5 6 7 8
did you also modify your SCSI tape driver config file (/kernel/drv/st.conf
on Solaris) so the driver can know about particular capabilities of
the tapedrive?
these tips can be found in:
http://www.sony.jp/products/Professional/DataArchive/pdf/unix216.pdf
> 3) Has anyone else using an AIT tape drive had similar problems?
only with larger tape files, e.g. over ~16Gb in size. symptom was
device timeouts on the tape device, and amanda "thought" these dumps
were successful!
> Thanks
>
> -Rob
chris
--
Christopher Linn, (celinn at mtu.edu) | By no means shall either the CEC
Staff System Administrator | or MTU be held in any way liable
Center for Experimental Computation | for any opinions or conjecture I
Michigan Technological University | hold to or imply to hold herein.
