> Nothing sucks more than your "redundant" disk array
> losing more disks than it can support and you lose all your data
> anyway. You'd be better off doing a giant non-parity stripe and dumping to
> tape on a regular basis. ;)
Anyone who isn't dumping to tape (or some other reliable and [b]off-s
> Oliver Schinagl wrote:
> > zo basically, what you are saying is that on FBSD there's no performane
> > issue, whereas on solaris there (can be if write caches aren't enabled)
>
> Solaris plays it safe by default. You can, of course, override that safety.
FreeBSD plays it safe too. It's just t
On 6/23/07, Erik Trimble <[EMAIL PROTECTED]> wrote:
Matthew Ahrens wrote:
Basically, the descriptions of Copy on Write. Or does this apply only
to Snapshots? My original understanding was that CoW applied whenever
you were making a duplicate of an existing file.
CoW happens all the time. If
Matthew Ahrens wrote:
Erik Trimble wrote:
Under ZFS, any equivalent to 'cp A B' takes up no extra space. The
metadata is updated so that B points to the blocks in A. Should
anyone begin writing to B, only the updated blocks are added on disk,
with the metadata for B now containing the proper
> if i have one large datafile on zfs, make a snapshot from that zfs fs
> holding it and then overwrting that file by a newer version with
> slight differences inside - what about the real disk consumption on
> the zfs side ?
If all the blocks are rewritten, then they're all new blocks as far as
Z
Erik Trimble wrote:
roland wrote:
hello !
i think of using zfs for backup purpose of large binary data files
(i.e. vmware vm`s, oracle database) and want to rsync them in regular
interval from other systems to one central zfs system with compression
on.
i`d like to have historical versions
>So, in your case, you get maximum
>space efficiency, where only the new blocks are stored, and the old
>blocks simply are referenced.
so - i assume that whenever some block is read from file A and written
unchanged to file B, zfs recognizes this and just creates a new reference to
file A ?
tha
roland wrote:
hello !
i think of using zfs for backup purpose of large binary data files (i.e. vmware
vm`s, oracle database) and want to rsync them in regular interval from other
systems to one central zfs system with compression on.
i`d like to have historical versions and thus want to make
On Sat, Jun 23, 2007 at 12:31:28PM -0500, Nicolas Williams wrote:
> On Sat, Jun 23, 2007 at 12:18:05PM -0500, Nicolas Williams wrote:
> > Couldn't wait for ZFS delegation, so I cobbled something together; see
> > attachment.
>
> I forgot to slap on the CDDL header...
And I forgot to add a -p opti
On Sat, Jun 23, 2007 at 12:18:05PM -0500, Nicolas Williams wrote:
> Couldn't wait for ZFS delegation, so I cobbled something together; see
> attachment.
I forgot to slap on the CDDL header...
#!/bin/ksh
#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common De
Russell Aspinwall wrote:
Hi,
As part of a disk subsystem upgrade I am thinking of using ZFS but there are two issues at present
1) The current filesystems are mounted as /hostname/mountpoint
except for one directory where the mount point is /. Is is possible to mount a ZFS
filesystem as /h
Couldn't wait for ZFS delegation, so I cobbled something together; see
attachment.
Nico
--
#!/bin/ksh
ARG0=$0
PROG=${0##*/}
OIFS="$IFS"
# grep -q rocks, but it lives in xpg4...
OPATH=$PATH
PATH=/usr/xpg4/bin:/bin:/sbin
# Configuration (see usage message below)
#
# This is really based on how a
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf Of
> Thomas Garner
>
> So it is expected behavior on my Nexenta alpha 7 server for Sun's nfsd
> to stop responding after 2 hours of running a bittorrent client over
> nfs4 from a linux client, causing zfs snapshots to hang and requi
Hi,
As part of a disk subsystem upgrade I am thinking of using ZFS but there are
two issues at present
1) The current filesystems are mounted as /hostname/mountpoint except for one
directory where the mount point is /.
Is is possible to mount a ZFS filesystem as /hostname// so that /ho
So it is expected behavior on my Nexenta alpha 7 server for Sun's nfsd
to stop responding after 2 hours of running a bittorrent client over
nfs4 from a linux client, causing zfs snapshots to hang and requiring
a hard reboot to get the world back in order?
Thomas
There is no NFS over ZFS issue (
hello !
i think of using zfs for backup purpose of large binary data files (i.e. vmware
vm`s, oracle database) and want to rsync them in regular interval from other
systems to one central zfs system with compression on.
i`d like to have historical versions and thus want to make a snapshot befor
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