Re: Benchmarking btrfs on HW Raid ... BAD

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Hi Florian,

Today Florian Weimer wrote:

> * Tobias Oetiker:
>
> > Running this on a single disk, I get the quite acceptable results.
> > When running on-top of a Areca HW Raid6 (lvm partitioned)
> > then both read and write performance go down by at least 2
> > magnitudes.
>
> Does the HW RAID use write caching (preferably battery-backed)?

yes it does ...  is there some magic switch to be set for btrfs to
act accordingly ?

cheers
tobi
>
>

-- 
Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland
http://it.oetiker.ch tobi@xxxxxxxxxx ++41 62 775 9902 / sb: -9900
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