we created bacula rpms for centos that we use in our hosting company. 
you can get them from

http://download.obs.j0ke.net//server:/backup/CentOS_5/



Am 04.01.11 13:10, schrieb Arunav Mandal:
>
> Thx for your reply. I did used Centos 5.5 for our old SDLT tape loaders but 
> then there is no bacula repo for Redhat/Centos and I have to compile which I 
> want to avoid. Since you use Redhat is there any bacula RPM's for Redhat? Do 
> you use stinit.def for your tape drive?
>
> Arunav.
>
>
>
>> Date: Tue, 4 Jan 2011 10:48:17 +0000
>> From: ajb2 AT mssl.ucl.ac DOT uk
>> To: dibun AT hotmail DOT com
>> CC: bacula-users AT lists.sourceforge DOT net
>> Subject: Re: [Bacula-users] Bacula configration for FC LTO-5 tape drive
>>
>> Arunav Mandal wrote:
>>> I have a Tandberg T40+ Tapeloader with HP LTO-5 tape drive connected to
>>> "QLogic Corp. ISP2532-based 8Gb Fibre Channel to PCI Express HBA" on a Dell
>>> 2950 running Ubuntu Server 10.10. The kernel version is 2.6.35-24-server.
>>> The autoloader device number changes sometimes with reboot. When I installed
>>> the server it was /dev/sg4 and now it is /dev/sg2. The tape drive is at
>>> /dev/st0 and /dev/nst0.
>>
>> the SG number depends entirely on the order things are picked up in. So
>> does ST/NST for that matter. The trick there is to use a script to link
>> each detecetd ST to a WWID entry and use that in bacula-sd.conf
>>
>> Bacula does use ST - more specifically it locks to whatever you have
>> defined in bacula-sd - which means if you put an incorrect entry it will
>> use it (GIGO)
>>
>>> My question is how can I fix the problem of device number changing with
>>> reboots?
>>
>> Like this (from my configuration on RHEL5.5):
>>
>> bacula-sd.conf
>>
>> [snip]
>> Device {
>> Name = MSSLY8-0
>> Drive Index = 0
>> Device Type = Tape
>> Media Type = LTO5
>> AutoChanger = yes;
>> Changer Device = /etc/bacula/DEVICES/MSSLY8-changer
>> Archive Device = /etc/bacula/DEVICES/MSSLY8-0
>> AutomaticMount = yes; # when device opened, read it
>> AlwaysOpen = yes;
>> LabelMedia = yes; # lets Bacula label unlabeled media
>> RemovableMedia = yes;
>> RandomAccess = no;
>> Volume Poll Interval = 7200
>> Alert Command = "sh -c '/usr/local/bin/gettapeinfo.sh
>> /etc/bacula/DEVICES/MSSLY8-0'"
>> Spool Directory = /var/bacula/spool/MSSLY8-0
>> Maximum File Size = 10GB
>> Maximum Network Buffer Size = 65536
>> Maximum Spool Size = 250G
>> Maximum Job Spool Size = 50G
>> }
>> [snip]
>>
>> The /etc/bacula/DEVICES entries are there simply for readability and are
>> symlinks to the WWIDs of the tapes:
>>
>> # ls -l /etc/bacula/DEVICES
>> total 0
>> lrwxrwxrwx 1 root root 42 Nov 18 14:45 MSSLY8-0 ->
>> /dev/tape/by-id/scsi-3500110a001313fee-nst
>> lrwxrwxrwx 1 root root 42 Nov 18 14:45 MSSLY8-1 ->
>> /dev/tape/by-id/scsi-3500110a0013141aa-nst
>> lrwxrwxrwx 1 root root 42 Nov 18 14:45 MSSLY8-2 ->
>> /dev/tape/by-id/scsi-3500110a001314b4a-nst
>> lrwxrwxrwx 1 root root 42 Nov 18 14:42 MSSLY8-3 ->
>> /dev/tape/by-id/scsi-3500110a001314b12-nst
>> lrwxrwxrwx 1 root root 42 Nov 18 14:50 MSSLY8-4 ->
>> /dev/tape/by-id/scsi-3500110a0013144e2-nst
>> lrwxrwxrwx 1 root root 42 Nov 18 15:00 MSSLY8-5 ->
>> /dev/tape/by-id/scsi-3500110a0013132b6-nst
>> lrwxrwxrwx 1 root root 42 Nov 18 15:04 MSSLY8-6 ->
>> /dev/tape/by-id/scsi-3500110a00131426e-nst
>> lrwxrwxrwx 1 root root 38 Oct 29 20:47 MSSLY8-changer ->
>> /dev/tape/by-id/scsi-200900d0710200002
>>
>> # ls -l /dev/tape/by-id/
>> total 0
>> lrwxrwxrwx 1 root root 10 Dec 23 19:15 scsi-200900d0710200002 ->  ../../sg46
>> lrwxrwxrwx 1 root root 10 Dec 23 19:15 scsi-3500110a0013132b6-nst ->
>> ../../nst9
>> lrwxrwxrwx 1 root root 10 Dec 23 19:14 scsi-3500110a001313fee-nst ->
>> ../../nst4
>> lrwxrwxrwx 1 root root 11 Dec 23 19:15 scsi-3500110a0013141aa-nst ->
>> ../../nst11
>> lrwxrwxrwx 1 root root 10 Dec 23 19:14 scsi-3500110a00131426e-nst ->
>> ../../nst6
>> lrwxrwxrwx 1 root root 10 Dec 23 19:14 scsi-3500110a0013144e2-nst ->
>> ../../nst3
>> lrwxrwxrwx 1 root root 11 Dec 23 19:15 scsi-3500110a001314b12-nst ->
>> ../../nst10
>> lrwxrwxrwx 1 root root 11 Dec 23 19:16 scsi-3500110a001314b4a-nst ->
>> ../../nst13
>>
>> Note that only the SG of trhe changer is listed above. That's where
>> /usr/local/bin/gettapeinfo.sh comes in to find the sg of individual tape
>> drives for reporting purposes:
>>
>> ===
>> #!/bin/bash
>> export INDIRECT=`ls -l $1 | cut -f2 -d\>`
>> export DEVICE=`ls -l $INDIRECT | cut -f2 -d\>  | cut -f3 -d/`
>> export GENERIC=`ls /sys/class/scsi_tape/$DEVICE/device | grep
>> scsi_generic | cut -f2 -d:`
>>
>> echo $1 $INDIRECT $DEVICE $GENERIC
>>
>> tapeinfo -f /dev/$GENERIC
>> smartctl -H -d scsi -l error /dev/$GENERIC
>> ===
>>
>> Ideally RHEL's udev rules would put the sg entry in /dev/tape/by-id and
>> I wouldn't have to kludge the script...
>>
>> NOTE: Linux multipathing does NOT support generic or tape devices, so be
>> careful what you disconnect in a fibre network!
>>
>>
>                                       
>
>
>
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