The rdiff-backup comparison should work if you're
using a recent rdiff-backup on both ends.
You mean the rdiff-backup version? It's 1.2.8 on both servers. But does
it to an in-place comparison? If I understand the man page correctly, it
first copies the data from the dest to the source and then compares it
there?
If you only care about comparing with the most
recent backup then you could probably do something like:
rsync -azv --del --dry-run --exclude=rdiff-backup-data/
$source/ $backup/
I definitely care about more than just the most recent backup. I need to
be able to restore from prevous days, weeks, and months, which was the
whole point of using rdiff-backup in the first place. But I can
understand using the most recent backup as a benchmark for testing the
backup quality.
P.S. In the past I have also done this with
something like the following:
find $source -type f -exec md5sum {} \; | sort -k 2 >
/tmp/source find $dest -type f -exec md5sum {} \; |
sort -k 2 > /tmp/dest diff /tmp/source /tmp/dest
That could work, too. Thanks for the suggestion.
I'd still rather just use something built into rdiff-backup if possible.
Disclaimer - August 12, 2010
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