[OpenIndiana-discuss] sata hba choice

[Sašo Kiselkov]

On 08/25/2012 04:26 AM, Timothy Coalson wrote:
> Would, say, a scrub cause that kind of bus contention, and trigger the
> bad behavior?  That would be rather problematic for ZFS if you
> couldn't even scrub your pool without devices dropping.  I ask because
> I built a storage system with SATA on LSI HBAs, luckily went with
> direct connection without knowing about the SATA on SAS expander
> issue, but was planning on using cascading expanders if more storage
> was needed.

It's hard to tell for sure, I wouldn't want to be an armchair expert
that pulls things out of their behind. I don't have a pure SAS HBA with
SATA disks build at the moment, so there's no way I can test it.

Cheers,
--
Saso