We actually did some pretty serious testing with SATA SLCs from Sun directly hosting zpools (not as L2ARC). We saw some really bad performance - as though there were something wrong, but couldn't find it.
If you search my name on this list you'll find the description of the problem. --m m a t t c o w g e r sr. systems engineer | internal services / techops salesforce.com +1 206 262 8078 (office) +1 415 401 5930 (mobile) mattkcowger (aim | yahoo) From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss-boun...@opensolaris.org] On Behalf Of Brad Diggs Sent: Wednesday, September 15, 2010 12:27 PM To: zfs-discuss@opensolaris.org Subject: [zfs-discuss] ZFS on solid state as disk rather than L2ARC... Has anyone done much testing of just using the solid state devices (F20 or F5100) as devices for ZFS pools? Are there any concerns with running in this mode versus using solid state devices for L2ARC cache? Second, has anyone done this sort of testing with MLC based solid state drives? What has your experience been? Thanks in advance! Brad [cid:image001.png@01CB54D6.1F2EB3C0] Brad Diggs | Principal Security Sales Consultant Oracle North America Technology Organization 16000 Dallas Parkway, Dallas, TX 75248 Tech Blog: http://TheZoneManager.com<http://TheZoneManager.com/> LinkedIn: http://www.linkedin.com/in/braddiggs
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