Re: [zfs-discuss] about backup and mirrored pools

2010-04-10 Thread Harry Putnam
Bob Friesenhahn writes: > On Sat, 10 Apr 2010, Harry Putnam wrote: > Am I way wrong on this, and further I'm curious if it would make more versatile use of the space if I were to put the mirrored pairs into one big pool containing 3 mirrored pairs (6 discs) >>> >>> Besides more ver

Re: [zfs-discuss] about backup and mirrored pools

2010-04-10 Thread Bob Friesenhahn
On Sat, 10 Apr 2010, Harry Putnam wrote: Am I way wrong on this, and further I'm curious if it would make more versatile use of the space if I were to put the mirrored pairs into one big pool containing 3 mirrored pairs (6 discs) Besides more versatile use of the space, you would get 3X the pe

Re: [zfs-discuss] about backup and mirrored pools

2010-04-10 Thread Harry Putnam
Richard Jahnel writes: [...] > Perhaps mirrored sets with daily snapshots and a knowedge of how to > mount snapshots as clones so that you can pull a copy of that file > you deleted 3 days ago. :) I've been doing that with the default auto snapshot setup, but hadn't noticed a need to mount a sn

Re: [zfs-discuss] about backup and mirrored pools

2010-04-10 Thread Harry Putnam
Bob Friesenhahn writes: > On Fri, 9 Apr 2010, Harry Putnam wrote: >> >> Am I way wrong on this, and further I'm curious if it would make more >> versatile use of the space if I were to put the mirrored pairs into >> one big pool containing 3 mirrored pairs (6 discs) > > Besides more versatile use

Re: [zfs-discuss] about backup and mirrored pools

2010-04-10 Thread Harry Putnam
"David Dyer-Bennet" writes: [...] >> Am I way wrong on this, and further I'm curious if it would make more >> versatile use of the space if I were to put the mirrored pairs into >> one big pool containing 3 mirrored pairs (6 discs) > > Well, my own thinking doesn't consider that adequate for my

Re: [zfs-discuss] about backup and mirrored pools

2010-04-09 Thread Bob Friesenhahn
On Fri, 9 Apr 2010, Harry Putnam wrote: Am I way wrong on this, and further I'm curious if it would make more versatile use of the space if I were to put the mirrored pairs into one big pool containing 3 mirrored pairs (6 discs) Besides more versatile use of the space, you would get 3X the pe

Re: [zfs-discuss] about backup and mirrored pools

2010-04-09 Thread Richard Jahnel
Mirrored sets do protect against disk failure, but most of the time you'll find proper backups are better as most issues are more on the order of "oops" than "blowed up sir". Perhaps mirrored sets with daily snapshots and a knowedge of how to mount snapshots as clones so that you can pull a cop

Re: [zfs-discuss] about backup and mirrored pools

2010-04-09 Thread David Dyer-Bennet
On Fri, April 9, 2010 14:38, Harry Putnam wrote: > I happened to notice someones' config posted here recently where a > single zpool was made up of several mirror sets. > >From: Andreas Höschler >Subject: Replacing disk in zfs pool >Newsgroups: gmane.os.solaris.opensolaris.zfs >

[zfs-discuss] about backup and mirrored pools

2010-04-09 Thread Harry Putnam
When I started using zfs a while back, I got the impression that setting my home server up with mirror sets rather than some kind of zraid would offer the most reliable setup for my data. My data is just what you'd expect on a home lan... no real commercial value involved. I've since created 2 zp