Hi,
On 20.09.2005 14:41, Sebastian Haas wrote:
Hello,
first of all thanks for your quick response.
Arno Lehmann wrote:
How would a pool configuration looks like? I think it has to look like
the
following:
...
That looks ok.
Would it be also 3 different jobs? Did Bacula create any relations
between this jobs. For me this backups belong together. Or could I
define several jobs with the same name, so that Bacula know that they
belongs together?
Your intuition is right - these things belong together, so they are one
job. The different levels are conrolled in the schedule.
I want incremental backups based on the last full backup, some thing
like this for one month:
Monthly->Weekly->Daily Monday->Daily ...->Weekly->Daily
...->Weekly->Daily ...->Weekly
You know what I mean? The different incremental backups should based on
the previous incremental level. Daily should based on Weekly and Weekly
on Monthly. Is it possible or did I not need it at all?
Bacula does things as follows:
Full backup
Differential Backup, based on last full backup
Incremental Backup, based on last backup at all.
A common strategy is monthly full, weekly differential, daily
incremental backups. About what you want, I think.
So let assume this works and we want to restore a backup 1 ago. Lets say
the date is 05/20/2003. So the backup consists of one full backup
(April, 2003)
and 3 weekly backups (05/01/2005, 05/07/2005 and 05/14/2005). What have
I to do to restores this backup and what does Bacula?
Usually, You select which jobs to restore (possibly by giving a date to
restore from before that point in time), select the files you want back,
where to put them, etc., and bacula prompts you for the necessary volumes.
You would have to do some manual work. Unfortunately, at this time,
bacula can not without serious help from the operator restore from more
than one device type (Media Type).
This would be no problem. Could it restore a backup splitted over
several DVDs (for example the monthly full backup?)
The latter is easily possible.
What you say is "no problem" is quite definietly one, because you need
some good knowledge about how bacula works. If you knew what you'd have
to know, you wouldn't ask these questions :-)
How can I identify a backup by a specific date or by specific changes?
Is it possible to search for a file when it was deleted or added?
There are many queries to baculas catalog pre-defined,and you can create
your own. The basic selection, like take all files from this client
before that date, is done by bacula itself. In other words: In most
cases, you can easily find which jobs you need to restore any given file.
When Bacula did a incremental backup did it safe/restore the whole files
or just the changes/diffs?
Always whole files.
I suggest you start installing bacula on a test system and play around
with it - you will lear more that way than by asking here... (although,
in my opinion, your questions are "the right questions", but many of
them are answered once you managed the first trial backups and restores).
Arno
--
IT-Service Lehmann [EMAIL PROTECTED]
Arno Lehmann http://www.its-lehmann.de
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