On 18 Jul 2013, at 20:31, Charles Swiger <cswi...@mac.com> wrote: > On Jul 18, 2013, at 12:13 PM, Dr Josef Karthauser <j...@karthauser.co.uk> > wrote: >> On 18 Jul 2013, at 13:07, Andrea Venturoli <m...@netfence.it> wrote: >> >>> Perhaps they are WD Green drives? >> >> They're WD RE2-GP 1 TB drives (model WD1000FYPS) , not sure if that's green >> or not. > > Yes, those are WDC's Green drives, although they are also the higher grade > version as compared to standard desktop drives which are supposed to have > firmware which plays nice with RAID (TLER, time-limited error recovery). > > Updating the firmware and increasing the timeout before these spin down > automagically is likely to help, but as Andrea noted, such drives do have > quite a history of timeout problems due to excessive head parking and their > power conservation attempts.
They're currently on firmware 02.01B01, btw. Not sure if that's the latest or not. Joe _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "freebsd-stable-unsubscr...@freebsd.org"