On 15.02.2021 09:27, 'Frank Kirschner | Celebrate Records GmbH' via
bareos-users wrote:
Secondly, "First, I will will do copy all audio files to a local hard
disk on the same host, where the tape is connected directly, because
copying files of the network from different host a slower than
writing to tape". Not necessarily. That's what you use spooling for.
Spooling is not working for this scenario, because I have to backup
multiple clients, the manual says: "Each Job will reference only a
single client."
So I use a "run before" script which collects from the 3 clients the
data. On each client are placed the files in a "archiving" folder
manually by the operator.
Sure. If this is the case, it sounds reasonable :-)
You might also have just three separate clients from which you backup
with spooling but it's of course up to you. I don't know your setup
sufficiently well to suggest this solution or another.
Thirdly - I used to do a "copy and delete" scenario few years ago but
I had a slightly different setup so my solution is not directly
copy-paste appliable to you but I'd suggest you look into:
1) Dynamically create a list of files to backup (might involve
checking client files for ctime or querying bareos database to verify
if the file has already been backed up)
2) Create a post-job script which removes files that have already
been backed up in a proper way (i.e. included in a given number of
backup jobs if you want to have several copies) - this definitely
involves querying director's database.
That's a good idea for my scenario. Thanks for this good hint,
For example, my fileset included something like that:
FileSet {
Name = "Local-archives"
Include {
File = "\\| find /srv/archives -type f -not -path '*backup*'
-ctime +60"
}
}
Which copied onto tape only files located in /srv/archives and not in
"backup" in file (or directory in path) name that were created more than
two months ago.
Then I would run a script (in my case it was ran asynchronously by cron,
not from post-job trigger but post-job script is just as good here)
involving a query like
select
concat(Path.Path,file.name) as filepath,
count(distinct job.jobid) as jobcount
from
((path join
file
on
file.pathid = path.pathid)
join
job
on
file.jobid=job.jobid)
where job.jobstatus='t' and job.name like '%my_srv%'
group by filepath
having jobcount>=3;
To find files that had already been backed up 3 times with different
jobs so I can remove them from disk. Of course you might want to extend
the query to include - for example - media table to make sure that files
have been copied to separate tapes.
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