Am 03.03.25 um 17:37 schrieb Rob Gerber:
Stefan,
Can you share some details about your current process to predict what
media will be needed, including information about your pools and volumes
inside them?
Sure.
At first: thanks for offering your help!
-
Basically we run one schedule with jobs using 3 pools.
something for daily runs (mo-fr) -> pool "daily"
weekly runs (saturday 2-4 each month) -> pool "weekly"
monthly runs (1st sat of month) -> pool "monthly"
The monthlies (all FULL) each need 5 or 6 LTO6 tapes, we use an 8-slot
HPE-loader.
(we also do a quarterly run that is archived, but let's skip that for now)
So basically I look into the "Volumes" part of Bacularis, look for
status "Append" or "Used", and take the tapes that are already
overwritable again.
And I look at the tapes in the loader which are full -> take them out
and tapes that are still appendable might stay in a few days more
Something like that.
We would like to have bacula do that selection and mail us a wishlist
every few days or so.
How do others handle this? Not every site has a tape-library with all
tapes stored in there, available to the robot (at least the small sites
...).
I am not aware of a tool that forecasts what media will be needed by
jobs scheduled in the future, but that doesn't mean that such a tool
doesn't exist. Hopefully others can contribute here.
It does occur to me that perhaps we could provide suggestions to
automate the creation of a list of media based on the existing process
you currently use, via bconsole commands and parsing the output. To do
this we would need to better understand your process for selecting media
for upcoming jobs.
I will send some general information about interacting with bconsole
from a script, and bacula admin jobs in the next email. If you don't
need that information you can ignore that email.
Thanks for that other detailed reply, I will look at it as soon as possible.
greetings, Stefan
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