[OmniOS-discuss] PCI-e x8 only running x4

[Matej Žerovnik]

I’m running LSI 9300-8e for the last 6 months in producution without problems. I have Supermicro JBOD attached to it with SAS drives in it. So, 12Gb/s controller and drives and 6Gb/s backplace.

lp, Matej


> On 24 Jan 2017, at 15:50, Bob Friesenhahn <bfriesen at simple.dallas.tx.us> wrote:
> 
> On Tue, 24 Jan 2017, Svavar Örn Eysteinsson wrote:
> 
>> Which 16port internal controller would you guys recommend ?
>> I'm totall lost in the catalog at LSI site...
> 
> I have a LSI 9300-16i 12Gb/s SAS controller which seems to be working fine here.  I am still burn-in testing but it has been 3 days already.
> 
> This is in a Supermicro SC836BA-R920B chassis which is a direct-connect chassis not rated for 12Gb/s duty but I have not yet seen any sign of a problem with 12Gb/s SAS drives in a (claimed) 6Gb/s backplane.
> 
> Pool scrub peak rates reported by 'zpool iostat' are about 800MB/s (830M/s reported by 'zpool status') using 16 drives arranged in 2 RAIDz2 vdevs and with lz4 compression (on about half the data) and using skein checksums.
> 
> Bob
> -- 
> Bob Friesenhahn
> bfriesen at simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/
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