Am 05.10.2015 14:43, schrieb Karissa Miller:
> Hi Phillipp -
> Thanks for responding. This is a fiber channel connected library - two HP
> Ultrium 6250 LTO6 drives, currently
connected through 2 HPAE311a PCI HBA cards.
>
> And it seems the strange effects are not just limited to the dual restores,
> as I am finding the LTO6 media is
only partially filling before it errors out. Frustrating stuff! That is
definitely more of an
issue at present.
Ok, so modern hardware. Then at least you will not have the usual parallel scsi
problems. :)
This sounds like hardware problems.
Please check dmsg for suspicous output regarding the scsi or scsi tape errors.
You could try btape to test your tapedrive with different settings in the
device if you find a
setting that works.
We have also a HP drive here in our production:
[0:0:0:0] tape HP Ultrium 6-SCSI 331U /dev/st0 /dev/sg0
and it works perfectly.
> Errors like: (ID removed from the scsi tape device name)
> 02-Oct 12:51 backup-sd JobId 90: Writing spooled data to Volume. Despooling
> 53,687,128,806 bytes ...
> 02-Oct 12:57 backup-sd JobId 90: Error: block.c:631 Write error at 0:474449
> on device "tapedrive-0" (/dev/tape/by-id/scsi-35xxxxx-nst). ERR=Input/output
> error.
> 02-Oct 12:57 backup-sd JobId 90: Error: block.c:645 Write error on fd=4 at
> file:blk 0:474449 on device "tapedrive-0" (/dev/tape/by-id/scsi-35xxxxx-nst).
> ERR=Input/output error.
> 02-Oct 12:57 backup-sd JobId 90: Error: Error writing final EOF to tape. This
> Volume may not be readable.
> generic_tape_device.c:387 ioctl MTWEOF error on "tapedrive-0"
> (/dev/tape/by-id/scsi-35xxxxxx-nst). ERR=Input/output error.
>
> Other details that may be relevant -
> Configuration is pretty basic - listed below for the autochanger setup.
> I am spoolling data (and therefore attributes); have left block size default
> for now.
> I will attempt some further testing with 15.2 and will pull a debug log if
> the issues continue.
> Certainly hoping for advice to get this up and running properly.
> Thanks much -
> Karissa
>
> --- from device-tape-with-autoloader.conf -
> Device {
> Name = "tapedrive-0"
> DeviceType = tape
> DriveIndex = 0
> ArchiveDevice = /dev/tape/by-id/scsi-35xxxxx-nst
> MediaType = lto
> LabelMedia = no;
> AutoChanger = yes # default: no
> AutomaticMount = yes # default: no
> MaximumFileSize = 50GB # default: 1000000000 (1GB)
> Maximum Network Buffer Size = 131072 # default: 65,536 bytes
> Maximum Spool Size = 65G
> Spool Directory = "/home/spool/tape1"
> }
>
> Device {
> Name = "tapedrive-1"
> DeviceType = tape
> DriveIndex = 1
> ArchiveDevice = /dev/tape/by-id/scsi-350xxxxx-nst
> MediaType = lto
> LabelMedia = no;
> AutoChanger = yes # default: no
> AutomaticMount = yes # default: no
> MaximumFileSize = 50GB # default: 1000000000 (1GB)
> Maximum Network Buffer Size = 131072 # default: 65,536 bytes
> Maximum Spool Size = 65G
> Spool Directory = "/home/spool/tape2"
> }
>
> Autochanger {
> Name = "autochanger-0"
> Changer Device = /dev/tape/by-id/scsi-1Axxxxx_LLA
> Device = tapedrive-0
> Device = tapedrive-1
> Changer Command = "/usr/lib/bareos/scripts/mtx-changer %c %o %S %a %d"
> }
> ---
>
--
Mit freundlichen Grüßen
Philipp Storz philipp.st...@bareos.com
Bareos GmbH & Co. KG Phone: +49 221 63 06 93-92
http://www.bareos.com Fax: +49 221 63 06 93-10
Sitz der Gesellschaft: Köln | Amtsgericht Köln: HRA 29646
Geschäftsführer: Stephan Dühr, M. Außendorf,
J. Steffens, P. Storz, M. v. Wieringen
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