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Re: [zfs-discuss] Ssd for zil on a dell 2950

Subject: Re: [zfs-discuss] Ssd for zil on a dell 2950
From: Greg Mason
Date: Wed, 19 Aug 2009 18:34:02 -0400
Hi David,

We are using them in our Sun X4540 filers. We are actually using 2 SSDs per pool, to improve throughput (since the logbias feature isn't in an official release of OpenSolaris yet). I kind of wish they made an 8G or 16G part, since the 32G capacity is kind of a waste.

We had to go the NewEgg route though. We tried to buy some Sun-branded disks from Sun, but that's a different story. To summarize, we had to buy the NewEgg parts to ensure a project stayed on-schedule.

Generally, we've been pretty pleased with them. Occasionally, we've had an SSD that wasn't behaving well. Looks like you can replace log devices now though... :) We use the 2.5" to 3.5" SATA adapter from IcyDock, in a Sun X4540 drive sled. If you can attach a standard sata disk to a Dell sled, this approach would most likely work for you as well. Only issue with using the third-party parts is that the involved support organizations for the software/hardware will make it very clear that such a configuration is quite unsupported. That said, we've had pretty good luck with them.

-Greg

--
Greg Mason
System Administrator
High Performance Computing Center
Michigan State University


HUGE | David Stahl wrote:
We have a setup with ZFS/ESX/NFS and I am looking to move our zil to a solid state drive. So far I am looking into this one http://www.newegg.com/Product/Product.aspx?Item=N82E16820167013
Does anyone have any experience with this drive as a poorman’s logzilla?
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