Re: [Bacula-users] bacula 3.0.3 maintain ctime on restored files?
2010-01-14 17:02:26
Steve Costaras wrote:
> On 01/14/2010 15:11, Martin Simmons wrote:
>>>>>>> On Wed, 13 Jan 2010 20:18:19 -0600, Steve Costaras said:
>>>>>>>
>>> Ok, found out why when I do a restore of files bacula keeps thinking
>>> that they are 'new' and will back them up again. Seems that bacula
>>> changes ctime to the time of the restore of the file not the original
>>> ctime. atime & mtime are properly set on the files at restore but not
>>> ctime.
>>>
>>> I didn't see anything in the on-line docs, is there a flag in the
>>> fileset directive to keep ALL time values (atime, mtime, ctime) to be
>>> exactly as they were on the original file when doing a restore?
>>>
>> No, there is no way to do that. It is impossible to modify the ctime on unix
>> without hacking the disk directly.
Please reply at the bottom of your message. It makes it much easier to
follow the issue.
> Ok, then let me ask this in a different way. How do you prevent
> Bacula from backing up files that were just restored?
It appears you can't. At least, not easily.
> I see the mtimeonly flag in the fileset options but there are many
> caveats about using it as you will miss other files that may have been
> copied over that have retained mtimes from before the last backup.
> Since bacula does an MD5/SHA1 hash of all files I assumed (wrongly it
> seems) that it would be smart enough to not back up files that it
> already had backed up and are on tape.
Smart enough? Sheesh. ;)
That hash is to ensure the file is restored properly. And for
verfication. To do what you want is not easy.
How big of a problem is this for you?
Have you looked into the Virtual Backups, although I'm not sure this
would help you.
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- Re: [Bacula-users] LTO3 tape capacity lower than expected, (continued)
- Re: [Bacula-users] bacula 3.0.3 maintain ctime on restored files?, Martin Simmons
- Re: [Bacula-users] bacula 3.0.3 maintain ctime on restored files?, Steve Costaras
- Re: [Bacula-users] bacula 3.0.3 maintain ctime on restored files?,
Dan Langille <=
- Re: [Bacula-users] bacula 3.0.3 maintain ctime on restored files?, Steve Costaras
- Re: [Bacula-users] bacula 3.0.3 maintain ctime on restored files?, Dan Langille
- [Bacula-users] How to avoid backing up restored files?, Steve Costaras
- Re: [Bacula-users] How to avoid backing up restored files?, Ralf Gross
- Re: [Bacula-users] LTO3 tape capacity lower than expected, Tino Schwarze
- Re: [Bacula-users] LTO3 tape capacity lower than expected, Tino Schwarze
- Re: [Bacula-users] LTO3 tape capacity lower than expected, Brian Debelius
- Re: [Bacula-users] LTO3 tape capacity lower than expected, Brian Debelius
- Re: [Bacula-users] LTO3 tape capacity lower than expected, Brian Debelius
- Re: [Bacula-users] LTO3 tape capacity lower than expected, John Drescher
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