Re: [Bacula-users] weekly backups

Hi Blake,

I have a simular setup, with 3 TBs and will soon have a 4th when Frys has their $99 sale again. :) Anyways, what I do is break each disk into its own pool and then use the scheduler to split jobs equally among each drive. You may not need to do that, I just like to have the data spread over the drives equally. With this method I have 3 (soon to be 4) scedules that are split among 20ish jobs, like I said you probably don't need to do that if you're not worried about spreading data over your drives. Here's a sample schedule:

Schedule {
Name = "ScheduleByDay1"
Run = Full Pool=freebsd1 Storage=fs1 monthly 1 at 00:05
Run = Incremental Pool=freebsd1 Storage=fs1 monthly 2-10 at 04:05
Run = Full Pool=freebsd2 Storage=fs2 monthly 11 at 00:05
Run = Incremental Pool=freebsd2 Storage=fs2 monthly 12-20 at 04:05
Run = Full Pool=freebsd3 Storage=fs3 monthly 21 at 00:05
Run = Incremental Pool=freebsd3 Storage=fs3 monthly 22-31 at 04:05
}

And a Pool Definition:

Pool {
Name = freebsd1
Storage = fs1
Pool Type = Backup
Recycle = yes                       # Bacula can automatically recycle Volume
AutoPrune = yes                     # Prune expired volumes
Volume Retention = 180 days         #
Recycle Oldest Volume = yes
Recycle Oldest Volume = yes
Purge Oldest Volume = yes
Maximum Volume Bytes = 100000000000
Maximum Volumes = 7
Label Format = "fb1-"
}

For sure keep your volume size about10-15% of your HD size. Unless you're using the full 1TB with a backup, I'd go for archiving data too rather then 1 month rotate. I'm able to store almost 6 months worth of archives (compressed) with my current setup.

Blake Irvin wrote:

I'm attempting something very simple with Bacula that has not worked  
correctly yet.  I've decided I need to start from scratch.

Here are my goals:


I want to back up to a rotation of 4 1tb hard drives over the course  
of 4 weeks.

I want a full backup every Sunday, and incrementals every day after  
until I change disks on Monday morning.

I want each disk to be re-used when necessary (that is, I don't need  
to keep any backup longer than a month).



What's the best configuration to make this happen with Bacula?  A high- 
level example should be enough to get me started, since I'm familiar  
with the basics of Bacula configuration.


cheers,
Blake



BLAKE IRVIN
Systems Administrator
irvin AT vivisimo DOT com

Vivisimo [Search Done Right™]
1710 Murray Ave.
Pittsburgh, PA 15217 USA
tel: +1.412.422.2499 x153
fax: +1.412.422.2495
vivisimo.com	clusty.com

"to understand systems, you must understand
their pathologies -- systems are most
instructive when they fail."

- Bryan Cantrill, 18 July, 2008


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