On Mon, Jul 19, 2010 at 9:40 PM, devsk <funt...@yahoo.com> wrote:
>> On Sat, Jun 26, 2010 at 12:20 AM, Ben Miles
>> <merloc...@hotmail.com> wrote:
>> > What supporting applications are there on Ubuntu
>> for RAIDZ?
>>
>> None.  Ubuntu doesn't officially support ZFS.
>>
>> You can kind of make it work using the ZFS-FUSE
>> project.  But it's not
>> stable, nor recommended.
>
> I have been using zfs-fuse on my home server for a long time now and its rock 
> solid. Its as stable and usable as opensolaris build 143 I am using on 
> opensolaris. Yeah, write performance sucks but I do not care about seq write 
> performance that much. There may be some inertial Linuxy/Fusy quirks around 
> it as well but most have been ironed out in 0.6.9.
>
> I have successfully exported and imported pools from/to Opensolaris/Linux 
> managed pools. No issues at all.
>
> Just curious: have you tried 0.6.9 release of zfs-fuse? You should join the 
> google group of zfs-fuse and someone can help u along.

(You need to fix your quoting as I'm not listed, and I'm the one who
made the remarks about zfs-fuse instability.)

zfs-fuse 0.6.0 compiled from source, running on 64-bit Debian 5.0,
using Linux kernel 2.6.26, using ZFS v22.

We were testing dedupe to see how it would affect our data storage
once it hits FreeBSD.  We could not keep the test server up and
running for more than 3-4 days at a time.

8 GB of RAM, 12 500 GB SATA harddrives, 2x dual-core AMD CPUs.  All
the same hardware as our FreeBSD storage servers.

Running a single rsync stream from FreeBSD to Linux would wedge the
box.  Pulling a drive to see how the failure modes work would wedge
the box.  Booting without a drive would wedge the box.  Basically,
anything except slow writes would cause errors in ZFS and wedge the
box.  Definitely not a hardware problem as this box was used
previously as a VM host, and everything runs fine when zfs-fuse is
disabled.

We gave up on it after a couple of weeks.  Sure, the dedupe numbers
looked great (we can't wait for FreeBSD to get ZFSv20+).  But the
zfs-fuse system was just too unstable to be usable for even simple
testing.

-- 
Freddie Cash
fjwc...@gmail.com
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