Thank you Martin.
We are using a pretty old Bacula 5.2.6.
This version already appears to support compressions on clients.
But it's currently not defined for any.
I'm assuming hardware compression is enabled on the LTO-4 tape drive.
I've checked:
- Device and Storage directives,
- "status storage" from bconsole,
- mtab,
- any place mentioning /dev/nts0
but couldn't find any compression related options.
Without it we would only be able to write 800GB to each tape and we
write close to 1.6TB, right?
Can we switch between these two modes?
Also - does it make sense to use more than one compression (i.e.
software on clients and hardware on tape drive) concurrently?
With the current settings does it make sense to track all big text files
on clients and compress them before a backup run?
Cheers
Adam
On 07/02/18 19:43, Martin Simmons wrote:
JobBytes is the number of bytes sent from the FD (client) to the SD. If you
are using Bacula's software compression (the compression option in the
Fileset), then that will be the size after compression.
Bacula's software compression is always done in the FD.
You can control concurrency of backups using the various "Maximum Concurrent
Jobs" options.
__Martin
On Wed, 7 Feb 2018 12:02:56 +0000, Adam Weremczuk said:
Hi all,
Last night a tape filled so I'm spending most of today investigating the
cause and ensuring the next run completes fine.
When executing "list jobname=" from the console I'm presented with 2
columns: JobFiles and JobBytes.
Is JobBytes expected to show the volume read from the client or written
to the tape?
In the latter the count is after compression, right?
On that note: Is compression always performed on the server or can it be
done on clients?
It could make sense to iterate over all clients first and instruct them
to start compressing.
Then they start reporting as ready to the director and data transfers begin.
Please advise.
Regards
Adam
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