Re: [zfs-discuss] Backing up a ZFS pool

2010-01-18 Thread Daniel Carosone
On Mon, Jan 18, 2010 at 03:24:19AM -0500, Edward Ned Harvey wrote: > Unless I am mistaken, I believe, the following is not possible: > > On the source, create snapshot "1" > Send snapshot "1" to destination > On the source, create snapshot "2" > Send incremental, from "1" to "2" to the destination

Re: [zfs-discuss] Backing up a ZFS pool

2010-01-18 Thread Ian Collins
Edward Ned Harvey wrote: Personally, I like to start with a fresh "full" image once a month, and then do daily incrementals for the rest of the month. This doesn't buy you anything. ZFS isn't like traditional backups. If you never send another full, then eventually the delta from

Re: [zfs-discuss] Backing up a ZFS pool

2010-01-18 Thread Gaëtan Lehmann
Le 18 janv. 10 à 09:24, Edward Ned Harvey a écrit : Personally, I like to start with a fresh "full" image once a month, and then do daily incrementals for the rest of the month. This doesn't buy you anything. ZFS isn't like traditional backups. If you never send another full, then eventuall

Re: [zfs-discuss] Backing up a ZFS pool

2010-01-18 Thread Edward Ned Harvey
> > Personally, I like to start with a fresh "full" image once a month, > and then do daily incrementals for the rest of the month. > > This doesn't buy you anything. ZFS isn't like traditional backups. If you never send another full, then eventually the delta from the original to the present wil

Re: [zfs-discuss] Backing up a ZFS pool

2010-01-17 Thread Daniel Carosone
On Sun, Jan 17, 2010 at 04:38:03PM -0600, Bob Friesenhahn wrote: > On Mon, 18 Jan 2010, Daniel Carosone wrote: >> >> .. as long as you scrub both the original pool and the backup pool >> with the same regularity. sending the full backup from the source is >> basically the same as a scrub of the so

Re: [zfs-discuss] Backing up a ZFS pool

2010-01-17 Thread Bob Friesenhahn
On Mon, 18 Jan 2010, Daniel Carosone wrote: .. as long as you scrub both the original pool and the backup pool with the same regularity. sending the full backup from the source is basically the same as a scrub of the source. This is not quite true. The send only reads/verifies as much as it

Re: [zfs-discuss] Backing up a ZFS pool

2010-01-17 Thread Daniel Carosone
On Sun, Jan 17, 2010 at 08:05:27AM -0800, Richard Elling wrote: > > Personally, I like to start with a fresh "full" image once a month, and > > then do daily incrementals for the rest of the month. > > This doesn't buy you anything. .. as long as you scrub both the original pool and the backup

Re: [zfs-discuss] Backing up a ZFS pool

2010-01-17 Thread Gaëtan Lehmann
Le 17 janv. 10 à 11:38, Edward Ned Harvey a écrit : Personally, I use "zfs send | zfs receive" to an external disk. Initially a full image, and later incrementals. Do these incrementals go into the same filesystem that received the original zfs stream? Yes. In fact, I think that's the on

Re: [zfs-discuss] Backing up a ZFS pool

2010-01-17 Thread Richard Elling
On Jan 17, 2010, at 2:38 AM, Edward Ned Harvey wrote: >>> Personally, I use "zfs send | zfs receive" to an external disk. >> Initially a >>> full image, and later incrementals. >> >> Do these incrementals go into the same filesystem that received the >> original zfs stream? > > Yes. In fact, I

Re: [zfs-discuss] Backing up a ZFS pool

2010-01-17 Thread Edward Ned Harvey
> > Personally, I use "zfs send | zfs receive" to an external disk. > Initially a > > full image, and later incrementals. > > Do these incrementals go into the same filesystem that received the > original zfs stream? Yes. In fact, I think that's the only way possible. The end result is ... On

Re: [zfs-discuss] Backing up a ZFS pool

2010-01-16 Thread dick hoogendijk
On Sat, 2010-01-16 at 07:24 -0500, Edward Ned Harvey wrote: > Personally, I use "zfs send | zfs receive" to an external disk. Initially a > full image, and later incrementals. Do these incrementals go into the same filesystem that received the original zfs stream? __

Re: [zfs-discuss] Backing up a ZFS pool

2010-01-16 Thread Edward Ned Harvey
> What is the best way to back up a zfs pool for recovery? Recover > entire pool or files from a pool... Would you use snapshots and > clones? > > I would like to move the "backup" to a different disk and not use > tapes. Personally, I use "zfs send | zfs receive" to an external disk. Initiall

Re: [zfs-discuss] Backing up a ZFS pool

2010-01-15 Thread Bryan Allen
Have a simple rolling ZFS replication script: http://dpaste.com/145790/ -- bda cyberpunk is dead. long live cyberpunk. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Backing up a ZFS pool

2010-01-15 Thread David Dyer-Bennet
On Fri, January 15, 2010 13:47, Kenny wrote: > What is the best way to back up a zfs pool for recovery? Recover entire > pool or files from a pool... Would you use snapshots and clones? > > I would like to move the "backup" to a different disk and not use tapes. > > suggestions?? What I'm tryin

[zfs-discuss] Backing up a ZFS pool

2010-01-15 Thread Kenny
What is the best way to back up a zfs pool for recovery? Recover entire pool or files from a pool... Would you use snapshots and clones? I would like to move the "backup" to a different disk and not use tapes. suggestions?? TIA --Kenny -- This message posted from opensolaris.org __