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
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> roy AT karlsbakk DOT net
> http://blogg.karlsbakk.net/
> --
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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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