Hi Josh
thanks again for your quick answer.
I think I have understood the theoratical configuration of the virtuel
autochanger
But now I have a practical question:
I configured the autochanger as discripted in the Howto.
If I want to label the volume (Howto 9.1) I got the following error:
3306 Issuing Autochanger "slot" command
Device usb-changer-1 has 0 slots
No slots in changer to scan
Than I tested to mount the autochanger via the bconsole
Here I got the following error:
3999 Device "usb-changer-1 not found or could not be opened
I took a look at the mailing list and found some entries
But I could not find a failure in my config.
Here my Config-Files:
/etc/bacula/bacula-sd.conf
...
Autochanger {
Name = "usb-changer-1"
Device = usb-changer-1-drive-0
Changer Command = "/etc/bacula/vchanger %c %o %S %a %d"
Changer Device = "/etc/bacula/usbchanger1.conf"
}
Device {
Name = usb-changer-1-drive-0
Drive Index = 0
Autochanger = yes;
DeviceType = File
MediaType = File
ArchiveDevice = /var/lib/bacula/usbchanger1/drive0
RemovableMedia = no;
Random Access = yes;
}
...
/etc/bacula/bacula-dir.conf
...
Storage {
Name = usbchanger1
Address = 136.8.5.24
SDPort = 9103
Password = "secret"
Device = usb-changer-1
Media Type = File
Autochanger = yes;
}
...
/etc/bacula/usbchanger1.conf
...
baculasd="usbchanger1"
baculasd_user=bacula
bconsole=/usr/bin/bconsole
magslots=10
maxdrive=0
mountpoint=/mnt/usbchanger1/magazine
statedir=/var/lib/bacula/usbchanger1
...
the directory /var/lib/bacula/usbchanger/drive0 exist
rwxrwx--- bacula.bacula
I use debian Etch and Bacula 1.38.11
Any ideas???
Daniel
>
>
> [EMAIL PROTECTED] wrote:
> > Hi Josh,
> >
> > ...
> >
> > Ok. I think I understand how to configure the autoloader.
> > But is it possible to combine more physical disks to one autoloader?
> > For example to configure two autochanger with 3 physical drives per changer.
> > Than I can backup the weekly pool to one autochanger and the monthly pool
> > to the other.
> >
>
> You can have 2 autochangers, each with a set of 3 physical disks.
> However, the script treats a physical disk as a magazine. You cannot
> have all 3 of an autochanger's physical disks plugged in at the same
> time, just as with a tape autoloader you cannot have all magazines
> inserted at the same time. When one physical disk becomes full you will
> need to change "magazines". This is done in the same manner as a tape
> autoloader that has a barcode reader. Unplug the current physical disk.
> Plug in the next physical disk. Then issue the bconsole "update slots"
> command in order for bacula to determine what volumes are in the
> autochanger.
>
> > ...
> >
> > So you think it is better to make more pools for one backup.
> > And for every pool I need a virtuel slot, right?
> >
>
> Well, I think it is better to have multiple smaller files on the disk
> rather than one large file to reduce the risk of total data loss in the
> event of a hardware or other error that damages the USB disk or its
> filesystem. You could use a different pool for every slot, but you could
> also use one pool for each autochanger and multiple bacula volumes
> (slots/files) in each pool. I would use the latter and set the "Volume
> Use Duration" for the pool resource such that a volume is only used for
> one day, after which bacula will stop using that volume and select
> another. So if I intended to use the USB disk for a week before rotating
> it out, I would probably define 8 slots. One for each day and an extra
> in case there was a holiday or something that prevented it be changed on
> time. Initially, the vchanger script creates a volume for each defined
> slot and places them in the Scratch pool. That way, when bacula stops
> using a volume due to the "Volume Use Duration" expiring, it will move
> one of the (empty) volumes in the Scratch pool into the pool defined for
> the autochanger and begin using it.
>
> Note that bacula never deletes or truncates any of the files. When a
> volume is deleted or recycled, bacula only deletes or updates its status
> in the catalog. Thus for volumes on disk storage the disk space is never
> freed. You will have to do that manually or use the vchanger purge
> command. The purge command is a workaround for this problem that deletes
> all volumes on a USB disk both from disk and the bacula catalog, then
> re-creates them in the Scratch pool. This is of course a dangerous
> command because it deletes volumes without regard to retention times. It
> is definitely not defined in the official Bacula Autochanger Interface
> API. :) There is a feature request pending to handle deleting or
> truncating disk files when a bacula volume is deleted or recycled,
> however I do not know the status of its implementation.
>
> > ...
> >
> > Thank you for your help
> >
> >
>
> You're welcome.
>
>
>
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