Re: [zfs-discuss] Seagate Constellation vs. Hitachi Ultrastar

2012-04-09 Thread Anh Quach
Are these issues something to watch out for on Solaris 11 as well? Thx in advance… -Anh On Apr 9, 2012, at 12:43 PM, Marion Hakanson wrote: > richard.ell...@richardelling.com said: >> We are starting to see a number of SAS HDDs that prefer logical-block to >> round-robin. I see this with late

Re: [zfs-discuss] Seagate Constellation vs. Hitachi Ultrastar

2012-04-09 Thread Marion Hakanson
richard.ell...@richardelling.com said: > We are starting to see a number of SAS HDDs that prefer logical-block to > round-robin. I see this with late model Seagate and Toshiba HDDs. > > There is another, similar issue with recognition of multipathing by the > scsi_vhci driver. Both of these are be

Re: [zfs-discuss] Seagate Constellation vs. Hitachi Ultrastar

2012-04-07 Thread Richard Elling
On Apr 6, 2012, at 4:58 PM, Marion Hakanson wrote: > a...@blackandcode.com said: >> I'm spec'ing out a Thumper-esque solution and having trouble finding my >> favorite Hitachi Ultrastar 2TB drives at a reasonable post-flood price. The >> Seagate Constellations seem pretty reasonable given the mark

Re: [zfs-discuss] Seagate Constellation vs. Hitachi Ultrastar

2012-04-06 Thread Gary Driggs
I've seen a couple sources that suggest prices should be dropping by the end of April -- apparently not as low as pre flood prices due in part to a rise in manufacturing costs but about 10% lower than they're priced today. -Gary ___ zfs-discuss mailing l

Re: [zfs-discuss] Seagate Constellation vs. Hitachi Ultrastar

2012-04-06 Thread Bob Friesenhahn
On Fri, 6 Apr 2012, Marion Hakanson wrote: The only caveat I've found is that the Nearline SAS Seagates go really slow with the Solaris default multipath load-balancing setting (round-robin). Set it to "none" or some large block value and they go fast. This issue doesn't appear when used with

Re: [zfs-discuss] Seagate Constellation vs. Hitachi Ultrastar

2012-04-06 Thread Marion Hakanson
a...@blackandcode.com said: > I'm spec'ing out a Thumper-esque solution and having trouble finding my > favorite Hitachi Ultrastar 2TB drives at a reasonable post-flood price. The > Seagate Constellations seem pretty reasonable given the market circumstances > but I don't have any experience with t