On Jan 26, 2008 5:28 PM, Paul Dekkers <[EMAIL PROTECTED]> wrote:
> Hi,
>
> We're experimenting with bacula as possible replacement for our netvault
> setup. On the netvault server, we have multiple partitions that we can
> use for file-based "tapes". (This allows us to easily add arrays / space
> in case we need more; something a striped setup would not allow for
> instance.)
>
> I can't seem to find out how we can use multiple storage devices with
> bacula. The examples in the manual seem to assume that we want to have a
> different storage device or pool for different clients, but basically I
> just want to use the same pool for all clients, and use whatever storage
> is available in a certain pool. (Using a next disk if the previous if
> filled.)
>
> I defined multiple devices in my bacula-sd.conf, like so:
>
> Device {
> Name = dev1
> Media Type = File1
> Archive Device = /data/dev1
> LabelMedia = yes
> Random Access = Yes
> AutomaticMount = yes
> RemovableMedia = no
> AlwaysOpen = no
> }
>
> Device {
> Name = dev2
> Media Type = File2
> Archive Device = /data/dev2
> LabelMedia = yes
> Random Access = Yes
> AutomaticMount = yes
> RemovableMedia = no
> AlwaysOpen = no
> }
>
> And configured them in bacula-dir.conf:
>
> Storage {
> Name = dev1
> Address = bacula.wind.surfnet.nl
> SDPort = 9103
> Password = ...
> Device = dev1
> Media Type = File1
> Maximum Concurrent Jobs = 5
> }
>
> Storage {
> Name = dev2
> Address = bacula.wind.surfnet.nl
> SDPort = 9103
> Password = ...
> Device = dev2
> Media Type = File2
> Maximum Concurrent Jobs = 5
> }
>
> I tried to put these together in a pool, something that apparently
> doesn't work ;-)
>
> Pool {
> Name = Default
> Pool Type = Backup
> Label Format = "Vol"
> AutoPrune = yes
> Volume Retention = 30d
> #Recycle Oldest Volume = yes
> #Purge Oldest Volume = yes
> Storage = dev1,dev2
> Maximum Volume Bytes = 10GB
> #Maximum Volumes = 4
> }
>
> Still experimenting with toggles there. (Recycle/Purge Oldest Volume
> seems interesting in combination with a limited volume size, just to
> allow whatever space there is for backups: just the more there is to
> backup, the less history we get. I might want to have a different Pool
> for Full vs. Incrementals though.)
> But it doesn't use dev2 as soon as dev1 is filled for instance (or has 4
> volumes, but I guess that might just count for all of the devices.)
>
> Any suggestions on how to use multiple disk-devices for the same pool?
>
The same pool is no problem at all. What is the problem is bacula
does not normally move a job from one device to a second and it will
never continue a job from one media type to a different. The first
problem can possibly be overcome with what is called as a virtual
autochanger. There is a thread about this here:
http://sourceforge.net/mailarchive/message.php?msg_name=4799ECAB.8070502%40portrix.net
John
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