On Jul 18, 2013, at 8:23 PM, "Schweiss, Chip" <c...@innovates.com> wrote:
> I have used LSI HBAs exclusively. Performance and reliability has been very > good. > > The only problem I have consistently seen is if I hotplug a sas expander with > or without disks attached it will crash the system at least half the time. I > have simple resolved never doing that hot. This was a known bug in the mptsas driver more than a year ago. The root cause was related to the driver trying to manage LEDs. IIRC, a fix was integrated upstream as part of a set of changes in May 2012. If your experience is with a later release, then please file a bug at illumos.org. -- richard > > I have stuck with LSI because of using LSI SAS expanders to keep the > communication across venders to the minimum. The last thing I want is to be > in the middle of finger pointing between venders. > > -Chip > > > On Thu, Jul 18, 2013 at 7:03 PM, Saso Kiselkov <skiselkov...@gmail.com> wrote: > On 18/07/2013 23:48, Tobias Oetiker wrote: > > Folks, > > > > We are specing a new omnios server box ... and were just told by > > our vendor, that LSI HBAs were much slower (50%) than Areca Controllers > > running in JBOD mode ... and that they would therefore recommend > > Areca (we use areca for raid6 in linux boxes, but have never used it in JBOD > > mode with illumos, yet). > > > > Which controller would you choose for a new system ? > > Hi Tobi, > > I'm using LSI exclusively, never had an issue with them. Their 6G SAS > HBAs are very affordable and remarkably solid. As for the ARECA vs LSI > debate, I'd contest that there's going to be any appreciable performance > difference. *IF* you're running in JBOD, the card should essentially be > a simple pipe for SCSI commands to the SAS bus with as little overhead > possible. I know for a fact that saturating a 6G SAS link isn't a > problem with LSI cards, so I'm somewhat at a loss as to where the > performance difference is supposed to lie. > > Cheers, > -- > Saso > _______________________________________________ > OmniOS-discuss mailing list > OmniOS-discuss@lists.omniti.com > http://lists.omniti.com/mailman/listinfo/omnios-discuss > > _______________________________________________ > OmniOS-discuss mailing list > OmniOS-discuss@lists.omniti.com > http://lists.omniti.com/mailman/listinfo/omnios-discuss -- richard.ell...@richardelling.com +1-760-896-4422
_______________________________________________ OmniOS-discuss mailing list OmniOS-discuss@lists.omniti.com http://lists.omniti.com/mailman/listinfo/omnios-discuss
