|
This is going to be unsupported, I know, but for my own amusement (and
possibly yours!) can someone help me understand the ramifications of
subverting some of the tar options during the backups? Specifically, take this scenario: #1 full backup of / (tar -cvf - --totals -C / ./) so tar backs up everything, which is simple and works fine. but then, for incrementals, we make our own list of directories that have changes since the last full/inc backup (another program keeps track): #2 incremental of / (tar -cvf - --totals -C / -T <path to a list of dirs that we think have changed files in them> #3 same as above, and so on So now, in the web interface, each view is a "hodge-podge"; you will see stuff "filled in" from the last full, since backuppc 2.x assumes (and rightly so) that it is a differential-style backup. I was hoping a restore process would be: restore #1, #2, #3 and it would work (a bit tedious). But I believe that, by #3, you may, in some cases, be restoring some data from the "full" and overwriting what changed from #2. Obviously, restoring a single file would work fine. I thought backuppc 3.x, with the multi-level incrementals would fix this problem (my problem, that is ;-), but as I think about it I don't think it will either, and it's melting my brain in the process. So my problem really isn't the backing up of data, that's fine. It just seems nearly impossible to restore and/or archive the data because I am storing it a somewhat unexpected way (a multi-level incremental without the empty directory structure that tar generates w/ --newer). Any thoughts and/or advice on this, other than the obvious "don't do that!"? :-) brien |
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