Re: [Bacula-users] Tape utilization

[John D. <dre...@gm...>]

> I am currently using Debian Lenny and bacula  2.4.3-1.
>
> Before I was using I presume something like version 2.2X.
>
> On the earlier version, using a HP Ultrium 448 and LTO-2 tapes of 400GB, i
> was able to write more than 150 GB to the tape.
> After a reboot of the machine, probably also hitting a kernel update
> (running earlier Debian Etch 2.6.18, after reboot etch 2.6.22) I was not
> able to access the tape unit any more.
>
> After struggling for some time, decided to upgrade machine to lenny, and the
> newer bacula version, finaly got me into business again..
> However, the max size of tape utilization is now 86,905,018,368 bytes.
> See below the /etc/stinit.def file:
> # A reel-to-reel tape with 6250/1600/800 bpi densities
> manufacturer=HP model = "Ultrium 2-SCSI" {
> can-bsr two-fms
> scsi2logical=0
> mode1 blocksize=0
> }
> And the current bacula-sd.conf device definition:
> Device {
>   Name = TapeStorage
>   Media Type = LTO2
>   Archive Device = /dev/st0
>   Device Type = Tape
>   Alert Command = "sh -c 'sudo /usr/sbin/tapeinfo -f %c |grep
> TapeAlert|cat'"
> #  Drive Index = 0
>   AlwaysOpen = yes;
>   AutomaticMount = yes;               # when device opened, read it
>   RemovableMedia = yes;
>   RandomAccess = no;
>   Requires Mount = no
>   AutoChanger = no
>   # Enable the Alert command only if you have the mtx package loaded
>   Maximum Spool Size = 60000000000
>   #Spool Directory = /srv/bacula/spool
>   Spool Directory = /var/lib/bacula/spool
> }
> Does anyone has an idea how to fix my configuration, so I can use the full
> tape capacity again?
>
Your configuration is fine. Well except for /dev/st0. You should not
use that. Use /dev/nst0 instead.

Your problem generally is either a bad SCSI driver or some bad SCSI
hardware, bad tape drive or bad tapes.

John