[OpenIndiana-discuss] [informational] HyperX Predator PCIe SSD usable as ZFS cache device

[Jim Klimov]

14 января 2016 г. 16:12:08 CET, the outsider <openindiana at out-side.nl> пишет:
>Just to inform everyone, i tested the HyperX Predator PCIe SSD 240GB in
>a HP
>ML350G6 server yesterday and it was detected by the OS as a new drive. 
>
>I must say I that the OS was SmartOS, but I am almost certain that the
>device will work on OI also. 
>
> 
>
>I have attached it as a cache device  to my ZFS mirror and it worked
>very
>well. 
>
>Unfortunality HP made a crapy bios for the ML350G6 which detects the
>PCIe
>device and adjusts the ventilatorspeeds to 70% without any need. 
>
>Since I use the ML as a home/office server the increased acoustics of
>the
>vents made me crazy and I removed the Predator. 
>
> 
>
>When I have time I will install it in a server in the datacentre where
>we
>have a 16x 300GB ZFS storage and I can run different benchmarks.  
>
>Format detected the device without any troubles as c1t0d0 and I could
>partition it. 
>
>It would be nice to create some partitions for cache and ZIL on the
>device,
>but I don't know if ZFS needs a whole drive or just a partition? 
>
> 
>
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You can use partitions as vdevs if you want to share the device with some other os (dualboot); otherwise partition it all for solaris, define slices for zil, arc, maybe rpool... best practice is to not share, greediness and other constraints say otherwise ;)
--
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