Thanks for the tip. I believe that's true, but still I have the impression
that an empty rdiff-backup-data in target dir makes a difference - if it
doesn't exist, the first run seems to take ve-e-ery long (though source and
target should be identical). However, there are unknown factors, so I cannot
be absolutely sure. And testing (in normal operation) is slow, as my backup
batches are large.
Anyway, the restoration of my backups runs now smoothly, it's a matter of
days only, not weeks. So I guess I'm ok.
As a general remark, rdiff-backup seems to be much slower than rsync. I'd
like to know the reason for that.
Another remark (off-topic): it would be a nice feature to get indication of
progress - for example something like ""LL % ready, MM Gb examined from
total of NN Bb". This could be written every few minutes in a separate file.
I saw in the list archive that this has been proposed earlier.
aurbain <[email protected]> escribio (21.7.2008 16:39):
> if you delete your rdiff-backup data dir before running, that will cause
> a faster rdiff run after a crash. You loose all increments, however.
> Jussi Hirvi wrote:
>> Hi list,
>> I joined the list just now.
>> First some background info:
>> I have almost a terabyte to back up, and so far I have used a single
>> one-line rdiff-backup script to do it all. The script runs every night, and
>> 36 increments are stored.
>> A couple of weeks ago something happened, and rdiff-backup started to crash
>> each time I tried a backup.
>> Now I did what I probably should have done a long time ago: divided the huge
>> target directory to several directories, with a dedicated rdiff-backup
>> script for each.
>> Now to the question:
>> When I run rdiff-backup for the first time for each new directory (with
>> --force), the run takes very long. It takes about as long as copying it all
>> from source, even though almost all of the content is already in place at
>> the target directory.
>> How could I speed this up? Does it matter if there is a manually created,
>> empty rdiff-backup-data directory ready in place (in one test I got the
>> impression that this might help).
>> I wouldn't want to wait for the next couple of weeks for my script to
>> finish. :-)
>> Any suggestions?
>> - Jussi
Jussi Hirvi * Green Spot
Topeliuksenkatu 15 C, 00250 Helsinki * Puh. ja fax (09) 493 981
Tekstiviestit 040 771 2098 * Kotipuhelin (09) 4286 1785
[email protected] * http://www.greenspot.fi
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