On Friday 24 February 2006 17:54, Ian Levesque wrote:
> Hi Folks,
>
> I've noticed a pattern in my backups when two jobs are simultaneously
> writing to the same tape. When the tape ends, Bacula doesn't respond
> gracefully. This is only a problem when two jobs are running on the
> tape, not when a single job is running. I assume that only the final
> 64k was lost? I haven't tried a restore yet, as these are 1TB multi-
> volume jobs :)
>
> See below for relevant log, volume query and SD config.
>
> Thanks for any ideas,
I am now 90% convinced that this problem is related to over driving the SCSI
or the tape drive. I believe that I have a fix for it in 1.39.20, which was
recently released into Beta. If you are still able to produce this problems,
I would appreciate it if you could test the beta version to see if the error
(OS or driver error, IMO) still exists.
Best regards,
Kern
> Ian
>
>
> Log:
>
> 24-Feb 11:29 sbgrid-sd: End of Volume "000007L1" at 142:10755 on
> device "LTO-2" (/dev/nst0). Write of 64512 bytes got -1.
> 24-Feb 11:29 sbgrid-sd: NFS_L3.2006-02-24_03.00.00 Error: Re-read of
> last block failed. Last block=2971566 Current block=782122.
> 24-Feb 11:29 sbgrid-sd: End of medium on Volume "000007L1"
> Bytes=142,684,596,767 Blocks=2,211,755 at 24-Feb-2006 11:29.
>
>
> Volume jobs query:
>
> +-------+----------+---------------------+------+-------+-------
> +---------------+--------+
> | JobId | Name | StartTime | Type | Level | Files |
> Bytes | Status |
> +-------+----------+---------------------+------+-------+-------
> +---------------+--------+
> | 222 | NFS_L2 | 2006-02-24 00:00:02 | B | F | 0
> | 0 | R |
> | 225 | NFS_L3 | 2006-02-24 08:10:22 | B | F | 0
> | 0 | R |
> +-------+----------+---------------------+------+-------+-------
> +---------------+--------+
>
> bacula-sd.conf:
>
> Autochanger {
> Name = "ADIC Scalar 100"
> Device = LTO-1, LTO-2
> Changer Command = "/etc/bacula/mtx-changer %c %o %S %a %d"
> Changer Device = /dev/sg0
> }
>
> Device {
> Name = LTO-1
> Drive Index = 1
> Media Type = LTO
> LabelMedia = no;
> Archive Device = /dev/nst1
> AutomaticMount = yes;
> AlwaysOpen = yes;
> RemovableMedia = yes;
> RandomAccess = no;
> Offline On Unmount = no;
> AutoChanger = yes
> Changer Command = "/etc/bacula/mtx-changer %c %o %S %a %d"
> Changer Device = /dev/sg0
> }
>
> Device {
> Name = LTO-2
> Drive Index = 0
> Media Type = LTO
> LabelMedia = no;
> Archive Device = /dev/nst0
> AutomaticMount = Yes;
> AlwaysOpen = yes;
> RemovableMedia = yes;
> RandomAccess = no;
> Offline On Unmount = no;
> AutoChanger = yes
> Changer Command = "/etc/bacula/mtx-changer %c %o %S %a %d"
> Changer Device = /dev/sg0
> }
>
>
>
>
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