Hi Eugen,

please have a look at my this blogpost ->
http://harryd71.blogspot.com/2009/06/benchmark-of-freenas-07-and-single-ssd.html
105 MByte/s Read - 77 MByte/s Write over 1 GBit/s Ethernet is not to
bad for a single SSD...

Regards,

Harry

On Mon, Nov 30, 2009 at 10:02 AM, Eugen Leitl <eu...@leitl.org> wrote:
>
> Just as a random data point, I have about 80-100 MBit/s write
> performance to a CIFS share on a 4x 1 TByte Seagate 7200.11
> system (all four drives on the same PCI SATA Adaptec at 1.5 GBit),
> 2 GByte RAM, 2 GHz Athlon 64 with FreeNAS 0.7 (FreeBSD 7.2). This is raidz2.
> Interface is GBit Ethernet (Intel NIC, PCI), jumbo frames (MTU 9000).
> When scrub is in progress, write falls down to 30-40 MBit/s.
> Memory usage and CPU load during normal write is about 20-30%.
>
> This is pretty bad, whether this is due to hardware issues
> or poor zfs implementation in FreeBSD 7.2 is beyond my ken.
> Here's hoping FreeBSD 8.0 which is just out and claims zfs ready for
> production will do better.
>
> --
> Eugen* Leitl <a href="http://leitl.org";>leitl</a> http://leitl.org
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