On Mar 6, 2014, at 12:42 PM, Alex Adriaanse <[email protected]> wrote: > On Mar 6, 2014, at 10:06 AM, Keith Wesolowski <[email protected]> > wrote: >> The way we do this for our Manta storage nodes is to have a single >> RAIDZ2 pool with 3 vdevs (the topology ends up being 3x(9+2) with 2 >> spares and a slog in a 36-disk chassis). This works well, performs >> well, and has excellent durability. If you're curious about our HW >> config, see github.com/joyent/manufacturing. > > Thanks, your email is incredibly helpful. As far as the raidz2 vdevs are > concerned, I keep reading on the Internet that for raidz2 you should have an > even number of disks. Is this valid advice?
No. > If so, what’s the logic behind this (or if it’s not valid, why do people keep > making this recommendation)? Because they don't understand how ZFS works and keep trying to force their preconceived notions of RAID-5/RAID-6 on ZFS. -- richard -- [email protected] +1-760-896-4422 ------------------------------------------- smartos-discuss Archives: https://www.listbox.com/member/archive/184463/=now RSS Feed: https://www.listbox.com/member/archive/rss/184463/25769125-55cfbc00 Modify Your Subscription: https://www.listbox.com/member/?member_id=25769125&id_secret=25769125-7688e9fb Powered by Listbox: http://www.listbox.com
