Richard
On 07/04/2011 03:58 PM, Richard Elling wrote: > On Jul 4, 2011, at 6:42 AM, Lanky Doodle wrote: > >> Hiya, >> >> I''ve been doing a lot of research surrounding this and ZFS, including some >> posts on here, though I am still left scratching my head. >> >> I am planning on using slow RPM drives for a home media server, and it's >> these that seem to 'suffer' from a few problems; >> >> Seagate Barracuda LP - Looks to be the only true 512b sector hard disk. >> Serious firmware issues >> Western Digital Cavier Green - 4K sectors = crap write performance >> Hitachi 5K3000 - Variable sector sizing (according to tech. specs) >> Samsung SpinPoint F4 - Just plain old problems with them >> >> What is the best drive of the above 4, and are 4K drives really a no-no with >> ZFS. Are there any alternatives in the same price bracket? > > 4K drives are fine, especially if the workload is read-mostly. > > Depending on the OS, you can tell ZFS to ignore the incorrect physical sector > size reported by some drives. Today, this is easiest in FreeBSD, a little bit > more > tricky in OpenIndiana (patches and source are available for a few different > implementations). Or you can just trick them out by starting the pool with a > 4K > sector device that doesn't lie (eg, iscsi target). Are you refering to the "ahift" patches and what do you mean by tricking them by using an iscsi target? Thanks, Thomas _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
