Re: Compression again
2007-04-16 10:31:04
Mmh, why I'm the only person who ran into these problems?
What should I do now? amanda-2.5.2b1 is in beta phase and I thinks it's no good
idea to use it in a productional environment. Is there a possible workaround?
Thank for helping me
Sebastian
> From the debug file:
> sendbackup: time 2612.878: 62: size(|): DUMP: 17753400 blocks
> (17337.30MB)
>
> amanda parse the number of block but it think they are blocks of 512
> bytes.
>
> This problem is fixed only in amanda-2.5.2b1 (The MB value is used).
>
> Jean-Louis
>
> Sebastian Henrich wrote:
> > My OS is openSUSE 10.1.
> >
> > server:~ # tar --version
> > tar (GNU tar) 1.15.1
> >
> > server:~ # dump
> > dump 0.4b41 (using libext2fs 1.38 of 30-Jun-2005)
> >
> > The last dendbackup.*.debug is attached.
> >
> > Thanks
> >
> > Sebastian
> >
> > At 13:50 13.04.2007, Jean-Louis Martineau wrote:
> >> The orig-kb is the size reported by the backup tool (tar, dump, ...)
> >>
> >> It's possible that amanda doesn't parse the output correctly.
> >>
> >> What's your OS? backup tool?
> >>
> >> Could you post a sendbackup.*.debug file?
> >>
> >> It's probably already fixed in a newer version.
> >>
> >> Jean-Louis
> >>
> >> Sebastian Henrich wrote:
> >>> Here is the result after deleting full-comp und incr-comp.
> >>>
> >>> DUMP SUMMARY:
> >>> DUMPER STATS TAPER
> >>> STATS
> >>> HOSTNAME DISK L ORIG-kB OUT-kB COMP% MMM:SS KB/s
> >>> MMM:SS KB/s
> >>> -------------------------- ------------------------------------
> >>> -------------
> >>> server /home 0 2229585 2833801 127.1 10:58 4307.9
> >>> 15:19 3083.2
> >>> server /profile 0 4557175 4541611 99.7 21:07 3583.6
> >>> 24:46 3055.3
> >>> server /daten 0 1221325 1796309 147.1 4:44 6321.5
> >>> 9:46 3065.4
> >>> server /intorg 0 188995 199786 105.7 1:22 2427.2
> >>> 1:07 2971.2
> >>> server /literatur 0 662255 1051091 158.7 2:36 6737.3
> >>> 5:39 3097.9
> >>> server /projekte 0 8876700 11223553 126.4 43:33 4295.4
> >>> 60:48 3076.9
> >>>
> >>> Once again the data seems to grow while it's written to the tape.
> >>> But I think I figured out the problem. During the calculation of the
> >>> estimates everything seems to be ok and all sizes are like the real
> >>> ones on the disk. The problems start with the dumper. The dumper
> >>> doesn't compare his result with the real sizes but with the real
> >>> sizes divided by two because of the default compression set to 0.50.
> >>> A compression to 50% isn't possible on all the disks and that why
> >>> the data seems to grow.
> >>>
> >>> My question is now, is this a bug of version 2.4.5? At the moment I
> >>> don't get packages for openSUSE 10.1 from SuSE or the amanda
> >>> homepage with the newest version. Perhaps I should try this next?
> >>>
> >>> Thanks again
> >>>
> >>> Sebastian
> >>>
> >>> At 22:20 12.04.2007, Jean-Louis Martineau wrote:
> >>>> I don't understand.
> >>>>
> >>>> Did you set a 'comprate' in your dumptype? You should remove it.
> >>>> Amanda will learn the compresion ratio after a few run.
> >>>>
> >>>> For all 'info' file, you can remove the value in the 'full-comp'
> >>>> and 'incr-comp' line.
> >>>>
> >>>> Jean-Louis
> >>>>
> >>>> Sebastian Henrich wrote:
> >>>>> Here is the log.
> >>>>>
> >>>>> Sebastian
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