I cannot provide a potted solution, but I can point towards the thing that helped me... use explicit week numbers in your schedules. For example I have a backup schedule:
Schedule {
Name = "YearlyCycle"
run = fullpool="Full" Full Sun w01,w13,w26,w39 at 18:05
run = fullpool="Full" differentialpool="Full" Differential Sun
w03,w06,w09,w12 at 18:05
run = fullpool="Full" differentialpool="Full" Differential Sun
w15,w18,w21,w24 at 18:05
run = fullpool="Full" differentialpool="Full" Differential Sun
w27,w30,w33,w36 at 18:05
run = fullpool="Full" differentialpool="Full" Differential Sun
w42,w45,w48,w51 at 18:05
run = fullpool="Full" incrementalpool="Incr"
differentialpool="Incr" Incremental Tue,Thu,Sat at 18:05
}
To help me work out the numbers I created a one-line 'php' script, which you can run via 'php -a':
# Full 3 monthly, Diff every 4
wks, Incr otherwise.
foreach(range(0,51) as $k) { printf("%sw%02d\n", (($k % 13 ===
0) ? " F: " : (($k % 3 === 0) ? " D: " : " I: ")),
$k+1); }
# Full w01 w14 w27 w40
# Diff w05 w09 w13 w17 w21 w25 w29 w33 w37 w41 w45 w49
# Incr w02 w03 w04 w06 w07 w08 w10 w11 w12 w15 w16 w18 w19 w20
w22 w23 w24 w26 w28 w30 w31 w32 w34 w35 w36 w38 w39 w42 w43 w44
w46 w47 w48 w50 w51 w52
[[Note that in addition to the schedule aspect of this, my schedule also defines which pools the various levels go to, because for me different levels get written to different tapes (so that shorter-lived jobs are grouped on one tape, and the tape can be expired sooner than if it also had longer-lived jobs on it). Note that if you do this, you must specify pools for all levels equal to or higher than the one you want, or sometimes the wrong thing happens!]]
As to how to translate this into your ideas, jobs have a lifetime, so they can auto-expire after a specific time anyway. The bigger problem is that you presumably want to reuse the tape the job was stored on soon after it expires, which means that not only does that job have to expire, but all other jobs too. Unless of course you use the CopyJob action to move (copy + forget) a job to another tape. So I expect your solution will be a combination of using tapes as I have (keep expiry times similar), plus copy jobs to consolidate older jobs that need to be saved on a different tape.
From experience, I strongly suggest you do not rely on all jobs
being successful! Stuff happens, and a backup regime that assumes
otherwise is a failure :-)
For do the 'erase' part of your request I'm not sure what the
purpose is? Is there some legal reason to delete tapes at their
time of expiry? If not, bareos will auto-prune expired tapes
itself and as required. If you need to actually delete the
contents of the tape, you could do it with a pre-command on an
otherwise trivial job (e.g. a backup of an empty directory) that
used 'dd' or similar to overwrite the tape, though that is going
to wear out your tapes faster. The various 'delete' commands in
bconsole only manipulate the database.
Hope this helps,
Ruth
--Hello,
The basic schedule for the week should be: Sunday>Full, Monday-Saturday>Differecial
I would like to create a schedule which works like the next:
- In the past 2 weeks I would store all of the backups.
- After that, in the past 2 months I would like to store all FullBackups.
- And in the past 2 year I would like to have 1 FullBackup per month.
Sorry, if it's an easy question, but I didn't find any solution for this in the documentation.It would be best, If the data could be erased automatically after it "expired", and not just deleted from the catalog.
It could be more efficient for storage, if some of the 2nd and 3rd point's Backups could be converted to Differential. (It's not possible I think, just I would ask if anyone knows a solution for this.)
Could this be a viable solution?
Thanks for any help you can provide!Mate
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