[OpenIndiana-discuss] [zfs-discuss] slow speed problem with a new SAS shelf

[Sašo Kiselkov]

On 08/26/2012 07:40 AM, Yuri Vorobyev wrote:
> Can someone with Supermicro JBOD equipped with SAS drives and LSI
> HBA do this sequential read test?

Did that on a SC847 with 45 drives, read speeds around 2GB/s aren't a
problem.

> Don't forget to set primarycache=none on testing dataset.

There's your problem. By disabling the cache you've essentially
disabled prefetch. Why are you doing that?

--
Saso