Bacula doesn't have any code to match a renamed file with a previous file. It
just makes a backup of every unknown file or those that match the Accurate
options.
Note that if you remove "5" from the Accurate options then you will need to
add "mc" to make it detect changes to existing files.
__Martin
>>>>> On Sat, 7 Nov 2020 15:22:05 -0500, B Smith said:
>
> Hi,
>
> Thanks for the response. My (incorrect, I suppose) understanding was that
> Accurate=pins5 would just look at an unknown file and determine if it was
> an existing file that had been renamed. In that case, I'm fine with taking
> the extra time to calculate the MD5 to verify the correspondence of the
> files. I wanted this option so that I wouldn't take up space on the tape
> with files that had just been renamed. Is there a way to do the same thing
> without recalculating the MD5 for files that obviously haven't changed?
> Thank you,
>
> B. Smith
>
>
> On Sat, Nov 7, 2020 at 10:10 AM Eric Bollengier <e...@baculasystems.com>
> wrote:
>
> > Hello,
> >
> > On 2020-11-07 01:01, B. Smith wrote:
> > > Hi,
> > >
> > > When using accurate=yes and verify=pins5, does Bacula recalculate the MD5
> > > for each file even when the atime/mtime/ctime of the file has not
> > changed?
> >
> > It is configurable, and from what I see in your fileset, this is what
> > you have set. "Accurate = pins5" (the character 5 at the end).
> >
> > To speed up things, you might want to not do it unless you data is very
> > critical.
> >
> > Hope it helps!
> >
> > Best Regards,
> > Eric
> >
> > > I have large files (~60GB) that rarely change in a directory; usually
> > just
> > > a new large file is added every couple of weeks... files are rarely ever
> > > deleted and never modified. When I run the incremental, however, it is
> > > taking hours to examine the files. Is there anything I can do to speed
> > this
> > > up? I have what should be plenty of memory (32GB). Job and FileSet
> > > definitions are below.
> > >
> > > Job {
> > > Name = "Big Files"
> > > Write Bootstrap = "/var/db/bacula/bigfiles-%s-%e.bsr"
> > > JobDefs = DefaultJob
> > > Type = Backup
> > > Level = Incremental
> > > Client = FreeNAS-fd
> > > FileSet = "Big Files"
> > > Spool Data = yes
> > > Storage = TapeLibrary
> > > Pool = File
> > > Accurate = yes
> > > Schedule=LargeFileCycle
> > > Priority = 12
> > > }
> > >
> > > FileSet {
> > > Name = "Big Files"
> > > Include {
> > > Options {
> > > signature = MD5
> > > Accurate=pins5 #should allow keeping track of deleted/renamed files.
> > > verify = pins5 #compare permission bits, then inodes, number of
> > links,
> > > size, and finally MD5 changes
> > > IgnoreCase = yes
> > > }
> > > File = "/media/DataSet1/Big Files/"
> > > }
> > > }
> > >
> > > Thanks,
> > >
> > > B. Smith
> > >
> >
> >
> > _______________________________________________
> > Bacula-users mailing list
> > Bacula-users@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/bacula-users
> >
>
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