Hey folk,
The are two problems with RAID-Z in builds snv_120 through snv_123 that
will both be resolved in build snv_124. The problems are as follows:
1. Data corruption on a RAID-Z system of any sort (raidz1, raidz2,
raidz3)
can lead to spurious checksum errors being reported on devices that
So I have poked and prodded the disks and they both seem fine.
Any yet my rpool is still slow.
Any ideas on what do do now.
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Hello,
your "(open)solaris for Ecc support (which seems to have been dropped from
200906)" is misunderstanding. OS 2009.06 also supports ECC as 2005 did. Just
install it and use my updated ecccheck.pl script to get informed about errors.
Also you might verify that Solaris' memory scrubber is rea
I am just a simple home user. When I was using linux, I backed up my home
directory (which contained all my critical data) using tar. I backed up my
linux partition using partimage. These backups were put on dvd's. That way I
could restore (and have) even if the hard drive completely went belly
Alan,
Thanks for the detailed explanation. The rollback successfully fixed my 5-disk
RAID-Z errors. I'll hold off another upgrade attempt until 124 rolls out.
Fortunately, I didn't do a zfs upgrade right away after installing 121. For
those that did, this could be very painful.
Gary
--
Th
> Hey folk,
>
> The are two problems with RAID-Z in builds snv_120
> through snv_123 that
> will both be resolved in build snv_124. The problems
> are as follows:
Thanks for letting us know.
Is there is a way to get promt updates on such issues for Opensolaris?
(except like reading a discussion
Hi. As the subject indicates, I'm trying to understand the impact of
the ZFS prefetch "issues" and if they only impact a local zfs
filesystem versus say a zvol that remotely using the lun via iSCSI or
Fibrechannel.
Can anyone comment on this?
The specific "issues" are consolidated here:
ht
Quoting en...@businessgrade.com:
Hi. As the subject indicates, I'm trying to understand the impact of
the ZFS prefetch "issues" and if they only impact a local zfs
filesystem versus say a zvol that remotely using the lun via iSCSI or
Fibrechannel.
Can anyone comment on this?
The specific "issue
I agree and Cindy Swearingen and I are talking to marketing to get this
fixed. Thanks to all for bringing this to our attention.
lori
On 09/03/09 00:55, Ross wrote:
I agree, mailing that to all Sun customers is something I think is likely to
turn around and bite you.
A lot of people are n
And a question here how to control number of dev version to install?
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Roman
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On Sep 2, 2009, at 11:55 PM, Ross wrote:
I agree, mailing that to all Sun customers is something I think is
likely to turn around and bite you.
Some points to help clarify the situation:
1. There is no other way to archive a dataset than using a snapshot
2. You cannot build
Roman Naumenko wrote:
Hey folk,
The are two problems with RAID-Z in builds snv_120 through snv_123 that
will both be resolved in build snv_124. The problems are as follows:
Thanks for letting us know.
Is there is a way to get promt updates on such issues for Opensolaris?
(except like rea
yes to all the comments below. Those are all mitigating factors. But I
also agree with Ross and Mike and others that we should be more clear
about when send/recv is appropriate and when it's not the best choice.
We're looking into it.
Lori
On 09/03/09 10:06, Richard Elling wrote:
On Se
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COLLIER
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[mailto:zfs-discuss-boun...@opensolaris.org] On Behalf Of Adam Leventhal
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To: zfs-discuss@opensolaris.org discuss
Subject: [zfs-discuss] Problem with RAID-
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Subject: Re: [zfs-discuss] zfs performance cl
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Sent: Thursday, September 03, 2009 8:52 AM
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Sent: Thursday, September 03, 2009 4:43 AM
To: zfs-discuss@opensolaris.org
Subject: [zfs-discuss] Read about ZFS backup - Still
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To: Ross
Cc: zfs-discuss@opensolaris.org
Subject: Re: [zfs-discuss] Archiving and Resto
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Subject: Re: [zfs-discuss] Problem with RAID-Z in bu
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Cc: zfs-discuss@opensolaris.org
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[mailto:zfs-discuss-boun...@opensolaris.org] On Behalf Of Lori Alt
Sent: Thursday, September 03, 2009 9:14 AM
To: Richard Elling
Cc: zfs-discuss@opensolaris.org; Ross
Subject: Re: [zfs-discuss] Arch
> Some points to help clarify the situation:
>
> 1. There is no other way to archive a dataset than
> n using a snapshot
Other than tar, star, and numerous other archive utilities. The fact that ZFS
doesn't have any alternative built in doesn't mean that dumping a send to a
file suddenly becom
Yeah, I wouldn't mind knowing that too. With the old snv builds I just
downloaded the appropriate image, with OpenSolaris and the development
repository, is there any way to pick a particular build?
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Sorry if this is a faq, but I just got a time sensitive dictim from the
higherups to disable and remove all remnants of rolling snapshots on our
DR filer. Is there a way for me to nuke all snapshots with a single
command, or to I have to manually destroy all 600+ snapshots with zfs
destroy?
Sometimes trying to be clear gets me in trouble :-)
On Sep 3, 2009, at 10:24 AM, Ross wrote:
Some points to help clarify the situation:
1. There is no other way to archive a dataset than
n using a snapshot
Other than tar, star, and numerous other archive utilities.
You are talking about fi
Le 3 sept. 09 à 19:57, Jacob Ritorto a écrit :
Sorry if this is a faq, but I just got a time sensitive dictim from
the higherups to disable and remove all remnants of rolling
snapshots on our DR filer. Is there a way for me to nuke all
snapshots with a single command, or to I have to manu
>I would like to duplicate this scheme using zfs commands.
you don`t want to do that.
zfs is meant for using it as a filesystem on a backup server, but not for
long-term storing of data on removable media
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Gaëtan Lehmann wrote:
zfs list -r -t snapshot -o name -H pool | xargs -tl zfs destroy
should destroy all the snapshots in a pool
Thanks Gaëtan. I added 'grep auto' to filter on just the rolling snaps
and found that xargs wouldn't let me put both flags on the same dash, so:
zfs list -r
On Sep 3, 2009, at 1:25 PM, Ross wrote:
Yeah, I wouldn't mind knowing that too. With the old snv builds I
just downloaded the appropriate image, with OpenSolaris and the
development repository, is there any way to pick a particular build?
I just do a 'pkg list entire' and then install the
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> On Sep 3, 2009, at 1:25 PM, Ross
> wrote:
>
> > Yeah, I wouldn't mind knowing that too. With the
> old snv builds I
> > just downloaded the appropriate image, with
> OpenSolaris and the
> > development repository, is there any way to pick a
> particular build?
>
> I just do a 'pkg list en
Hey, web-admins, you see what happens when mailling list is screwed up from the
beginning?
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Hi Adam,
Thanks for the info on this. Some people, including myself, reported seeing
checksum errors within mirrors too. Is it considered that these checksum errors
within mirrors could also be related to this bug, or is there another bug
related to checksum errors within mirrors that I should
So what's the consensus on checksum errors appearing within mirror vdevs?
Is it caused the same bug announced by Adam, or is something else causing it?
If so, what's the bug id?
Cheers,
Simon
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On Wed, 2 Sep 2009 13:06:35 -0500 (CDT)
Bob Friesenhahn wrote:
> Nothing prevents validating the self-verifying archive file via this
> "zfs recv -vn " technique.
Does this verify the ZFS format/integrity of the stream?
Or is the only way to do that to zfs recv the stream into ZFS?
--
Dick Hoog
Hey Simon,
> Thanks for the info on this. Some people, including myself, reported seeing
> checksum errors within mirrors too. Is it considered that these checksum
> errors within mirrors could also be related to this bug, or is there another
> bug related to checksum errors within mirrors that I
Le 3 sept. 09 à 21:59, Simon Breden a écrit :
So what's the consensus on checksum errors appearing within mirror
vdevs?
Is it caused the same bug announced by Adam, or is something else
causing it?
If so, what's the bug id?
Sorry, I forgot to report the end of my experiments. They shown
On 09/03/09 14:21, dick hoogendijk wrote:
On Wed, 2 Sep 2009 13:06:35 -0500 (CDT)
Bob Friesenhahn wrote:
Nothing prevents validating the self-verifying archive file via this
"zfs recv -vn " technique.
Does this verify the ZFS format/integrity of the stream?
Or is the only way to do th
OK, thanks Adam.
I'll look elsewhere for the mirror checksum error issue. In fact there's
already a response here, which I shall check up on:
http://opensolaris.org/jive/thread.jspa?messageID=413169#413169
Thanks again, and I look forward to grabbing 124 soon.
Cheers,
Simon
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[cc'ing zfs-discuss]
Scott Feldstein wrote:
Hi,
I had an opensolaris instance (b118) completely crash the other day
(entirely my fault) and I took one of my mirrored zfs drives and
imported into another system in order to retrieve the data. I imported
the data via zpool import -f and I jus
Let me try rephrasing this. I would like the ability to restore so my system
mirrors its state at the time when I backed it up given the old hard drive is
now a door stop.
Cork
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Thanks Gaëtan.
What's the bug id for this iommu bug on Intel platforms?
In my case, I have an AMD processor with ECC RAM, so probably not related to
the Intel iommu bug.
I'm seeing the checksum errors in a mirrored rpool using SSDs so maybe it could
be something like cosmic rays causing occasi
On Thu, 03 Sep 2009 14:32:27 -0600
Lori Alt wrote:
> I'm looking at integrating a utility which allows the metadata in a
> stream to be dumped for debugging purposes (zstreamdump). It also
> verifies that the data in the stream agrees with the checksum.
This sounds nice. Any change this will make
On 09/03/09 15:25, dick hoogendijk wrote:
On Thu, 03 Sep 2009 14:32:27 -0600
Lori Alt wrote:
I'm looking at integrating a utility which allows the metadata in a
stream to be dumped for debugging purposes (zstreamdump). It also
verifies that the data in the stream agrees with the checksum.
It was someone from Sun that recently asked me to repost here
about the checksum problem on mirrored drives. I was reluctant
to do so because you and Bob might start flames again, and you
did! You both sound very defensive, but of course I would never
make an unsubstantiated speculation that you m
Cork
To answer your question just use tar for everything. It's about the
best we've got. :-(
When the disk turns into a doorstop re-install OpenSolaris/Solaris and
then tar back all your data. I keep a complete list of EVER change I
make on any OS (including the Redmond one) so I can re-creat
Hi Richard,
Actually, reading your reply has made me realise I was overlooking something
when I talked about tar, star, etc... How do you backup a ZFS volume? That's
something traditional tools can't do. Are snapshots the only way to create a
backup or archive of those?
Personally I'm qui
On Fri, Sep 4, 2009 at 12:17 AM, Ross wrote:
> Hi Richard,
>
> Actually, reading your reply has made me realise I was overlooking
> something when I talked about tar, star, etc... How do you backup a ZFS
> volume? That's something traditional tools can't do. Are snapshots the
> only way to cre
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