Re: [zfs-discuss] Re: Big JBOD: what would you do?

2006-07-23 Thread Richard Elling
Rich Teer wrote: On Sat, 22 Jul 2006, Richard Elling wrote: This one stretches the models a bit. In one model, the MTTDL is For us storage newbies, what is MTTDL? I would guess Mean Time To Data Loss, which presumably is some multiple of the drives' MTBF (Mean Time Between Failures)?

Re: [zfs-discuss] Re: Big JBOD: what would you do?

2006-07-22 Thread Richard Elling
Thanks Rob, one comment below. Rob Logan wrote: perhaps these are good picks: 5 x (7+2) 1 hot spare 35 data disks - best safety 5 x (8+1) 1 hot spare 40 data disks - best space 9 x (4+1) 1 hot spare 36 data disks - best speed 1 x (45+1) 0 hot spare 45 data disks - max space This