On Friday 06 July 2007 06:23:22 Charles Sprickman wrote:
> Hi all,
>
> I'm very happy with Bacula so far. I've got a bunch of clients setup and
> have a basic config ready to go. So far backing up to disk is working
> well and I need to figure out how to implement my real schedule and tape
> usage now. I'm coming from Amanda, so it's taking me a bit of time to
> digest the manual.
i Know nothing of Amanda - took me a bit of time too
>
> What I'd like to do is the following:
>
> -Full backup each sunday, keeping the tapes for a year. After that I
> would likely manually relabel all the tapes but one. These tapes would
> all be in one pool.
>
> -Differential backup each following sunday, with 3 tapes that get recycled
> each month. These tapes are also in their own pool.
>
> -Incrementals mon-fri, with 5 tapes that get recycled each week. Again,
> in their own pool.
>
> Does this seem like a sane plan?
I use almost the same pattern - but only diskbased
> I'm on the fence about the differentials
Don't really get that
> as we very rarely go back to backups for anything... I'm also wondering
> how these choices will impact the general ease of restoring something if
> we need to. Again, I'm coming from Amanda, and there's not much thinking
> there. When you restore, you just keep feeding it the tapes it wants.
Here it graps the disk volumes automatically - guess that would be identical
to your experience with Amanda with tapes
>
> Here's what I've tentatively got in my bacula-dir config.
>
> pools:
>
> Pool {
> Name = Monthly
> Pool Type = Backup
> Recycle = no # Bacula can automatically recycle
> Volumes AutoPrune = yes # Prune expired volumes
> Volume Retention = 365 days # one year
> Volume Use Duration = 23h
> Maximum Volumes = 12
> LabelFormat = "Monthly"
> }
>
> Pool {
> Name = Weekly
> Pool Type = Backup
> Recycle = yes # Bacula can automatically recycle
> Volumes Recycle Oldest Volume = yes
> AutoPrune = yes # Prune expired volumes
> Volume Retention = 1 month # one month
> Volume Use Duration = 6 days
> Maximum Volumes = 3
> LabelFormat = "Weekly"
> }
>
> Pool {
> Name = Daily
> Pool Type = Backup
> Recycle = yes # Bacula can automatically recycle
> Volumes Recycle Oldest Volume = yes
> AutoPrune = yes # Prune expired volumes
> Volume Retention = 5 days # 5 days
> Volume Use Duration = 23h
> Maximum Volumes = 5
> LabelFormat = "Daily"
> }
>
My Pool defs look like these - except I have "Accept Any Volume = yes"
> I'm hoping what I've got there will force me to put a new tape in for each
> run ("Volume Use Duration"). Am I on the right track with this or not?
Yes
> Would it be simpler to let the incrementals all go to one tape and reduce
> this to four tapes/month for those?
Yes - no need to switch tapes
> I'm using 100GB LTO-2 tapes, so I
> certainly have more than enough room, but I suppose I open myself up to
> problems if a tape fails...
Yes - loose 5 days at most
> Does the above config look fairly sane?
>
To me - yes
> Thanks,
>
> Charles
>
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--
Regards
Steen
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