Hi Saso, Today Saso Kiselkov wrote:
> On 11/11/13, 2:05 PM, Tobias Oetiker wrote: > > We are looking at purchasing a new box. According to > > https://github.com/joyent/manufacturing/blob/master/parts-database.ods > > it seems that Joyent is using > > > > Supermicro SuperStorage Server 6047R-E1R36L with 7K3000 (and maybe > > soon 7K4000) disks. > > http://www.supermicro.com/products/system/4u/6047/ssg-6047r-e1r36l.cfm > > > > We asked our system integrator for an offer on these boxes and he > > said, that he has several in the field and they wer cool, BUT he > > has seen problems with the on-board LSI 2308 and the backplane, and > > that he would recommend installing 5 extra LSI SAS controllers to > > directly connect each sas disk to a controller port ... > > > > Is this the reason that joyent lists all the firmware versions and > > one should make sure to use exactly these versions ? > > > > Any ideas ? > > I may be completely off, but I see no reason why using LSI SAS chips > installed on stand-alone extension cards is better than using the LSI > SAS chip installed on the motherboard. I smell an attempt at upsell... this system has a sas expander on the backplane, so that all 36 disks can be controlled from the single on-board LSI 2308 our integrater maintains that he has seen issues with the LSI SAS2X28 expander on the backplane of the 6047R-E1R36L. I did find some messages from 2012 that there were issues but nothing recent. cheers tobi > Cheers > -- Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland http://it.oetiker.ch t...@oetiker.ch ++41 62 775 9902 / sb: -9900 _______________________________________________ OmniOS-discuss mailing list OmniOS-discuss@lists.omniti.com http://lists.omniti.com/mailman/listinfo/omnios-discuss
