Quoting Peter Jeremy peterjer...@acm.org (from Wed, 24 Nov 2010
06:32:07 +1100):
BTW, the entire export is performed at the current compression level -
recompressing existing data.
Are you sure the compression is done on the sending side, and not at
the receiving side? I would expect the
On 2010-Nov-24 11:07:23 +0100, Alexander Leidinger alexan...@leidinger.net
wrote:
Quoting Peter Jeremy peterjer...@acm.org (from Wed, 24 Nov 2010
06:32:07 +1100):
BTW, the entire export is performed at the current compression level -
recompressing existing data.
Are you sure the compression
On Mon, Nov 22, 2010 at 10:26:30AM -0500, Jonathan Stewart wrote:
On 11/22/2010 6:35 AM, Andrew Reilly wrote:
Dump/restore doesn't work for ZFS. I *think* that I'm running
backups in the appropriate equivalent fashion: I take file
system snapshots (both absolute == level 0) and relative
On 11/23/10 1:45 PM, Andrew Reilly wrote:
No, I don't like tar, rsync and friends for backups: they don't
deal well with hard links, special files or sparse files.
rsync -avHxS --delete --numeric-ids /src/. /dst/.
Handles sparse files (S) and hard links (H). Never had any trouble with
On Tue, Nov 23, 2010 at 4:56 AM, Thomas Ronner tho...@ronner.org wrote:
On 11/23/10 1:45 PM, Andrew Reilly wrote:
No, I don't like tar, rsync and friends for backups: they don't
deal well with hard links, special files or sparse files.
rsync -avHxS --delete --numeric-ids /src/. /dst/.
On 11/23/10 4:45 PM, Freddie Cash wrote:
On Tue, Nov 23, 2010 at 4:56 AM, Thomas Ronnertho...@ronner.org wrote:
rsync -avHxS --delete --numeric-ids /src/. /dst/.
One problem with using rsync when dealing with hard-linked files: it
doesn't like it when the source switches from hard-linked
would also fail if a bit flipped.
-Original Message-
From: owner-freebsd-sta...@freebsd.org
[mailto:owner-freebsd-sta...@freebsd.org] On Behalf Of Andrew Reilly
Sent: Tuesday, November 23, 2010 4:46 AM
To: Jonathan Stewart
Cc: sta...@freebsd.org
Subject: Re: ZFS backups: retrieving a few
On 11/22/2010 8:29 PM, David Magda wrote:
On Nov 22, 2010, at 17:13, Andrew Reilly wrote:
The currently accepted practice is to create a ZFS file system on the
backup drive and just keep sending incremental snapshots to it. As long
as the backup drive and host system have a snapshot in
On Tue, November 23, 2010 14:14, Mike Tancsa wrote:
I am still trying to figure out the best way to do zfs backups locally
here for rollbacks as well as DR. I was looking at some of the
techniques at
http://www.cuddletech.com/blog/pivot/entry.php?id=984
But thats outdated ? WRT errors in
On 2010-Nov-23 23:45:43 +1100, Andrew Reilly arei...@bigpond.net.au wrote:
zfs send -vR tank/h...@0 | zfs receive -d /backup/snapshots
in order to experiment with this strategy.
One would then become alarmed when one discovered that the
receive mechanism also invoked the mountpoint= parameter of
On Tue, Nov 23, 2010 at 01:56:01PM +0100, Thomas Ronner wrote:
On 11/23/10 1:45 PM, Andrew Reilly wrote:
No, I don't like tar, rsync and friends for backups: they don't
deal well with hard links, special files or sparse files.
rsync -avHxS --delete --numeric-ids /src/. /dst/.
Handles
Hi there,
Being a cutting-edge hipster, my new personal server is using a
ZFS RAIDZ array, where my older system used UFS on a GMIRROR.
This is, by and large, a joy: ZFS rocks.
One issue that I'm having difficulty coming to grips with,
though, is that of backup. I used to do a weekly cycle
on 22/11/2010 13:35 Andrew Reilly said the following:
The troubling aspect of this plan is that it would seem that
grabbing just a few files would require space in the working
zpool equivalent to the whole backed-up file system, for the
zfs receive of the snapshot. Contrast this with restore,
On 11/22/2010 6:35 AM, Andrew Reilly wrote:
Dump/restore doesn't work for ZFS. I *think* that I'm running
backups in the appropriate equivalent fashion: I take file
system snapshots (both absolute == level 0) and relative
(incremental), and zfs send those to files on the backup disk.
This is
On Mon, Nov 22, 2010 at 10:26:30AM -0500, Jonathan Stewart wrote:
On 11/22/2010 6:35 AM, Andrew Reilly wrote:
Dump/restore doesn't work for ZFS. I *think* that I'm running
backups in the appropriate equivalent fashion: I take file
system snapshots (both absolute == level 0) and relative
On 11/22/2010 5:13 PM, Andrew Reilly wrote:
On Mon, Nov 22, 2010 at 10:26:30AM -0500, Jonathan Stewart wrote:
On 11/22/2010 6:35 AM, Andrew Reilly wrote:
Dump/restore doesn't work for ZFS. I *think* that I'm running
backups in the appropriate equivalent fashion: I take file
system snapshots
On Nov 22, 2010, at 17:13, Andrew Reilly wrote:
The currently accepted practice is to create a ZFS file system on the
backup drive and just keep sending incremental snapshots to it. As
long
as the backup drive and host system have a snapshot in common you
can do
incremental transfers.
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