I have been using this setup for awhile. You absolutely must disable Bacula
compression on the ZFS Devices within the SD or for the specific Pools that
have volumes on the ZFS. Doubling up encryption can actually increase file
sizes and also lead to data errors.
-Shon
On Thu, Oct 7, 2010 at 2:11 PM, Bruno Friedmann <br...@ioda-net.ch> wrote:
> On 10/07/2010 07:47 PM, Roy Sigurd Karlsbakk wrote:
> > Hi all
> >
> > I'm planning a Bacula setup with ZFS on the SDs (media being disk, not
> tape), and I just wonder - should I use a smaller recordsize (aka largest
> block size) than the default setting of 128kB?
> >
> > Also, last I tried, with ZFS on a test box, I enabled compression, the
> lzjb algorithm (very lightwegith and quite decent compression). For 'normal'
> data, I usually get 30%+ compression with this, but for the data backed up
> with bacula, it didn't look that good, compression being down to 3-5%. Any
> idea what might cause this?
>
> If the data coming from bacula are already compressed by the bacula-fd
> there's little space for improvement.
> In your type of setup, I would disable compression on bacula-fd increasing
> the speed of backup, your sd doing it by zfs mechanism.
>
>
> >
> > Vennlige hilsener / Best regards
> >
> > roy
> > --
> > Roy Sigurd Karlsbakk
> > (+47) 97542685
> > r...@karlsbakk.net
> > http://blogg.karlsbakk.net/
> > --
> > I all pedagogikk er det essensielt at pensum presenteres intelligibelt.
> Det er et elementært imperativ for alle pedagoger å unngå eksessiv
> anvendelse av idiomer med fremmed opprinnelse. I de fleste tilfeller
> eksisterer adekvate og relevante synonymer på norsk.
> >
> >
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>
> --
>
> Bruno Friedmann (irc:tigerfoot)
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>
> ------------------------------------------------------------------------------
> Beautiful is writing same markup. Internet Explorer 9 supports
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> Spend less time writing and rewriting code and more time creating great
> experiences on the web. Be a part of the beta today.
> http://p.sf.net/sfu/beautyoftheweb
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>
------------------------------------------------------------------------------
Beautiful is writing same markup. Internet Explorer 9 supports
standards for HTML5, CSS3, SVG 1.1, ECMAScript5, and DOM L2 & L3.
Spend less time writing and rewriting code and more time creating great
experiences on the web. Be a part of the beta today.
http://p.sf.net/sfu/beautyoftheweb
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