Il 06/nov/2013 23:12 "Craig Lewis" <clewis@xxxxxxxxxxxxxxxxxx> ha scritto:
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> For my Ceph cluster, I'm going back to SSDs for the OS. Instead of using two of my precious 3.5" bays, I'm buying some PCI 2.5" drive bays: http://www.amazon.com/Syba-Mount-Mobile-2-5-Inch-SY-MRA25023/dp/B0080V73RE , and plugging them into the motherboard SATA ports. The next chassis I buy will have some dedicated 2.5" bays, like this:
> http://www.supermicro.com/products/system/2U/6027/SSG-6027R-E1R12T.cfm (I see a lot of manufacturers starting to do this).
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> The SSDs support SMART and wear leveling, and cheap SSDs are just a bit more than the 32GB thumb drives I was buying. Since it's just the OS, I don't need high performance SSDs, and I'm still following the compact flash booting guides to extend their lifetime.
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> I am worried that I'll have the same problem with SSD mirrors failing at the same time. Since I can monitor wear leveling, I plan to retire the OS mirrors before the wear leveling runs out
With the suggested adapter why not using a standard 2.5'' sata disk?
Sata for OS should be enough, no need for an ssd
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