Re: One random read streaming is fast (~1200MB/s), but two or more are slower (~750MB/s)?

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Matt Pursley wrote (ao):
> I have an LSI HBA card (LSI SAS 9207-8i) with 12 7200rpm SAS drives
> attached.  When it's formated with mdraid6+ext4 I get about 1200MB/s
> for multiple streaming random reads with iozone.  With btrfs in
> 3.9.0-rc4 I can also get about 1200MB/s, but only with one stream at a
> time.

Just curious, is that btrfs on top of mdraid6, or is this experimental
btrfs raid6 without md?
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