Hello,
Christopher Rasch-Olsen Raa wrote:
Hi,
I have been using bacula to backup one host with a relatively small
amount of data, and it is all working very well. :)
I am now about to start doing backups of a host wich has ALOT more data
(+-30GB). I backup to file, and have got a storagedevice with 38 GB free
space.
The questions I have yet to find a answer to are these:
1. How much space for spooling is required? Have I understood it
correctly if I say that the amount required is equal to the biggest file
to be backed up?
Erm - no.
The amount of space required for spooling is more or less equal to the
total size of the job. Note, though, that bacula can use smaller spool
space - it then reads as much as fits into the spool space, writes that
data to the final volume, and repeats until done.
Now, the interesting point for you might be that it's not very useful to
use spooling when writing to file volumes. Spooling is most useful to
prevent shoe shining with tape drives, due to broken data flow, but
that's not a problem for a hard disk.
2. I plan on doing a full backup _once_ and then only doing incremental
backups every night. Are there any problems with this? Will this present
any problems?
Two thing:
- Personally, I think it's unwise to only have one set of backups, and
- Your incrementals or differentials will always grow, so your approach
is not the solution to severely limited disk space.
I hope some of you can answer these questions, as I have not been able
to find the aswers myself...
Hope this helps,
Arno
Best regards,
Christopher Rasch-Olsen Raa
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Arno Lehmann http://www.its-lehmann.de
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