>On Thu, May 13, 2010 at 06:09:55PM +0200, Roy Sigurd Karlsbakk wrote: >> 1. even though they're 5900, not 7200, benchmarks I've seen show they are >> quite good > >Minor correction, they are 5400rpm. Seagate makes some 5900rpm drives. > >The "green" drives have reasonable raw throughput rate, due to the >extremely high platter density nowadays. however, due to their low >spin speed, their average-access time is significantly slower than >7200rpm drives. > >For bulk archive data containing large files, this is less of a concern. > >Regarding slow reslivering times, in the absence of other disk activity, >I think that should really be limited by the throughput rate, not the >relatively slow random i/o performance...again assuming large files >(and low fragmentation, which if the archive is write-and-never-delete >is what i'd expect).
My experience is that they resilver fairly quickly and scrbs aren't slow either. (300GB in 2hrs) Casper _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss