Re: [zfs-discuss] ZFS ditto 'mirroring' on JAOBOD ? Please, pretty please!

2007-06-14 Thread Richard Elling
Paul Hedderly wrote: Strikes me that at the moment Sun/ZFS team is missing a great opportunity. Imagine Joe bloggs has a historical machine with Just Any Old Bunch Of Discs... (it's not me, no really). He doesn't want to have to think too hard about pairing them up in mirrors or in raids - an

Re: [zfs-discuss] ZFS ditto 'mirroring' on JAOBOD ? Please, pretty please!

2007-06-14 Thread Matthew Ahrens
Paul Hedderly wrote: Now I can do that at the moment - well the copies/ditto kind anyway - but if I lose or remove one of the discs, zfs will not start the zpool. [i]That sucks!!![/i] Agreed, that is a bug (perhaps related to 6540322). --matt ___ zfs

Re: [zfs-discuss] ZFS ditto 'mirroring' on JAOBOD ? Please, pretty please!

2007-06-14 Thread Will Murnane
On 6/14/07, Paul Hedderly <[EMAIL PROTECTED]> wrote: What Joe really wants to say to ZFS is: "Here is a bunch of discs. Use them any way you like - but I'm setting 'copies=2' or 'stripes=5' and 'parity=2' so you just go allocating space on any of these discs trying to make sure I always have re

Re: [zfs-discuss] ZFS ditto 'mirroring' on JAOBOD ? Please, pretty please!

2007-06-14 Thread Mario Goebbels
A bunch of disks of different sizes will make it a problem. I wanted to post that idea to the mailing list before, but didn't do so, since it doesn't make too much sense. Say you have two disks, one 50GB and one 100GB, part of your data can only be ditto'd within the upper 50GB of the larger disk.

[zfs-discuss] ZFS ditto 'mirroring' on JAOBOD ? Please, pretty please!

2007-06-14 Thread Paul Hedderly
Strikes me that at the moment Sun/ZFS team is missing a great opportunity. Imagine Joe bloggs has a historical machine with Just Any Old Bunch Of Discs... (it's not me, no really). He doesn't want to have to think too hard about pairing them up in mirrors or in raids - and sometimes they die or