Am Tue, 14 Feb 2012 18:17:19 +0100 schrieb Harald Schmalzbauer <h.schmalzba...@omnilan.de>:
> > I find it interesting that, at least so far, the only people > > reporting problems of this type with the ahci.ko driver are people > > using Samsung disks. The only difference is that your models are > > F1s while the OPs are F2s. > > I saw such timeouts long ago and mav@ had a look at my postings and he > mentioned it could be a NCQ problem. > I suspected the disks firmware. > I never tracked it down further, because after replacing the Samsung > (F3 in that case) disks with hitachi ones solved all my problems and > gave a big performance kick as well (with zfs). > You can find the discussion here: > http://lists.freebsd.org/pipermail/freebsd-stable/2010-February/055374.html Hi, I just want to add here that I am using 2 drives of type "Samsung HD103SJ" (SpinPoint F3). And I did not have problems with ZFS and with UFS either (for several years now). Everything has been deployed ontop ada(4) since FreeBSD-8. Actually the speed is very good (sequential read at 140 MB/s and more). -- Martin _______________________________________________ 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"