On Jul 29, 2012, at 3:12 PM, opensolarisisdeadlongliveopensolaris <opensolarisisdeadlongliveopensola...@nedharvey.com> wrote:
>> From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss- >> boun...@opensolaris.org] On Behalf Of Jim Klimov >> >> I wondered if the "copies" attribute can be considered sort >> of equivalent to the number of physical disks - limited to seek >> times though. Namely, for the same amount of storage on a 4-HDD >> box I could use raidz1 and 4*1tb@copies=1 or 4*2tb@copies=2 or >> even 4*3tb@copies=3, for example. > > The first question - reliability... > > "copies" might be on the same disk. So it's not guaranteed to help if you > have a disk failure. I thought I understood that copies would not be on the same disk, I guess I need to go read up on this again. Gregg Wonderly _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
