On Tue, 21 Feb 2006, Kern Sibbald wrote:
That's fine if you're only scanning one tape (although it takes nearly 3
hours to read a LTO2 tape) but it doesn't scal;e for resync jobs.
Both of the above two items can be easily fixed by using a bootstrap file.
There are examples of how to construct a bsr file in the manual -- probably
in the restore chapter as well as others.
Bootstraps were written as usual with the backups.
The main thing is that database reconstruction/verification needs to be
able to be done while Bacula is running, otherwise all backups come to a
halt for the duration - that's ok when there are only 10 tapes but a
problem when there are more than that.
4: The program will "hunt" bootstrap records, if there is enough data in
these to be able to rebuild database entries
I'm not sure what you mean, but in any case bootstrap files do not contain
enough data to rebuild database entries.
I realised that later, but bootstraps could be used to decide if files
need to be scanned.
5: For remaining "unknown" areas of tape after sections 3 and 4 are
completed (most likely to be incomplete backups where a .bsr was never
recorded), the program will then scan and insert files in those
remaining "unknown" areas into the database.
Nice -- big project.
And well beyond my capabilities - but I'm trying to cover what's needed
for admins with large backup sets and changers.
AB
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