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 > ______________________________________________________________ > ICBM: 48.07100, 11.36820 http://www.ativel.com http://postbiota.org > 8B29F6BE: 099D 78BA 2FD3 B014 B08A 7779 75B0 2443 8B29 F6BE > _______________________________________________ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss > -- HOMEPAGE: http://pixelchrome.org _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss