Re: [zfs-discuss] Archiving and Restoring Snapshots

2009-09-03 Thread Ross
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 now going to use that to archive their data, and some of them are not going to be happy when months or years down the line they try to restore it and find that the 'zfs

[zfs-discuss] Problem with RAID-Z in builds snv_120 - snv_123

2009-09-03 Thread Adam Leventhal
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

Re: [zfs-discuss] zfs performance cliff when over 80% util, still occuring when pool in 6

2009-09-03 Thread John-Paul Drawneek
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. -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org

Re: [zfs-discuss] Motherboard for home zfs/solaris file server

2009-09-03 Thread Karel Gardas
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

[zfs-discuss] Read about ZFS backup - Still confused

2009-09-03 Thread Cork Smith
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

Re: [zfs-discuss] Problem with RAID-Z in builds snv_120 - snv_123

2009-09-03 Thread Gary Gendel
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 --

Re: [zfs-discuss] Problem with RAID-Z in builds snv_120 - snv_123

2009-09-03 Thread Roman Naumenko
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

[zfs-discuss] How ZFS prefetch issues impact the use of Zvols are remote LUNs

2009-09-03 Thread eneal
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:

Re: [zfs-discuss] [storage-discuss] How ZFS prefetch issues impact the use of Zvols are remote LUNs

2009-09-03 Thread eneal
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 issues

Re: [zfs-discuss] Archiving and Restoring Snapshots

2009-09-03 Thread Lori Alt
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

Re: [zfs-discuss] Problem with RAID-Z in builds snv_120 - snv_123

2009-09-03 Thread Roman Naumenko
And a question here how to control number of dev version to install? -- Roman -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Archiving and Restoring Snapshots

2009-09-03 Thread Richard Elling
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

Re: [zfs-discuss] Problem with RAID-Z in builds snv_120 - snv_123

2009-09-03 Thread Jeff Victor
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

Re: [zfs-discuss] Archiving and Restoring Snapshots

2009-09-03 Thread Lori Alt
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

Re: [zfs-discuss] Problem with RAID-Z in builds snv_120 - snv_123

2009-09-03 Thread Collier Minerich
Please unsubscribe me COLLIER -Original Message- From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss-boun...@opensolaris.org] On Behalf Of Adam Leventhal Sent: Thursday, September 03, 2009 2:08 AM To: zfs-discuss@opensolaris.org discuss Subject: [zfs-discuss] Problem with

Re: [zfs-discuss] zfs performance cliff when over 80% util, still occuring when pool in 6

2009-09-03 Thread Collier Minerich
Please unsubscribe me COLLIER -Original Message- From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss-boun...@opensolaris.org] On Behalf Of John-Paul Drawneek Sent: Thursday, September 03, 2009 2:13 AM To: zfs-discuss@opensolaris.org Subject: Re: [zfs-discuss] zfs performance

Re: [zfs-discuss] [storage-discuss] How ZFS prefetch issues impact the use of Zvols are remote LUNs

2009-09-03 Thread Collier Minerich
Please unsubscribe me COLLIER -Original Message- From: storage-discuss-boun...@opensolaris.org [mailto:storage-discuss-boun...@opensolaris.org] On Behalf Of en...@businessgrade.com Sent: Thursday, September 03, 2009 8:52 AM To: en...@businessgrade.com Cc: zfs-discuss@opensolaris.org;

Re: [zfs-discuss] Read about ZFS backup - Still confused

2009-09-03 Thread Collier Minerich
Please unsubscribe me COLLIER -Original Message- From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss-boun...@opensolaris.org] On Behalf Of Cork Smith Sent: Thursday, September 03, 2009 4:43 AM To: zfs-discuss@opensolaris.org Subject: [zfs-discuss] Read about ZFS backup - Still

Re: [zfs-discuss] Archiving and Restoring Snapshots

2009-09-03 Thread Collier Minerich
Please unsubscribe me COLLIER -Original Message- From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss-boun...@opensolaris.org] On Behalf Of Lori Alt Sent: Thursday, September 03, 2009 8:59 AM To: Ross Cc: zfs-discuss@opensolaris.org Subject: Re: [zfs-discuss] Archiving and

Re: [zfs-discuss] Problem with RAID-Z in builds snv_120 - snv_123

2009-09-03 Thread Collier Minerich
Please unsubscribe me COLLIER -Original Message- From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss-boun...@opensolaris.org] On Behalf Of Gary Gendel Sent: Thursday, September 03, 2009 7:45 AM To: zfs-discuss@opensolaris.org Subject: Re: [zfs-discuss] Problem with RAID-Z in

Re: [zfs-discuss] Archiving and Restoring Snapshots

2009-09-03 Thread Collier Minerich
Please unsubscribe me COLLIER -Original Message- From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss-boun...@opensolaris.org] On Behalf Of Richard Elling Sent: Thursday, September 03, 2009 9:06 AM To: Ross Cc: zfs-discuss@opensolaris.org Subject: Re: [zfs-discuss] Archiving

Re: [zfs-discuss] Problem with RAID-Z in builds snv_120 - snv_123

2009-09-03 Thread Collier Minerich
Please unsubscribe me COLLIER -Original Message- From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss-boun...@opensolaris.org] On Behalf Of Roman Naumenko Sent: Thursday, September 03, 2009 9:03 AM To: zfs-discuss@opensolaris.org Subject: Re: [zfs-discuss] Problem with RAID-Z

Re: [zfs-discuss] Problem with RAID-Z in builds snv_120 - snv_123

2009-09-03 Thread Collier Minerich
Please unsubscribe me COLLIER -Original Message- From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss-boun...@opensolaris.org] On Behalf Of Jeff Victor Sent: Thursday, September 03, 2009 9:10 AM To: Roman Naumenko Cc: zfs-discuss@opensolaris.org Subject: Re: [zfs-discuss]

Re: [zfs-discuss] Problem with RAID-Z in builds snv_120 - snv_123

2009-09-03 Thread Collier Minerich
Please unsubscribe me COLLIER -Original Message- From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss-boun...@opensolaris.org] On Behalf Of Roman Naumenko Sent: Thursday, September 03, 2009 8:39 AM To: zfs-discuss@opensolaris.org Subject: Re: [zfs-discuss] Problem with RAID-Z

Re: [zfs-discuss] [storage-discuss] How ZFS prefetch issues impact the use of Zvols are remote LUNs

2009-09-03 Thread Collier Minerich
Please unsubscribe me COLLIER -Original Message- From: storage-discuss-boun...@opensolaris.org [mailto:storage-discuss-boun...@opensolaris.org] On Behalf Of en...@businessgrade.com Sent: Thursday, September 03, 2009 8:49 AM To: zfs-discuss@opensolaris.org;

Re: [zfs-discuss] Archiving and Restoring Snapshots

2009-09-03 Thread Collier Minerich
Please unsubscribe me COLLIER -Original Message- From: zfs-discuss-boun...@opensolaris.org [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]

Re: [zfs-discuss] Archiving and Restoring Snapshots

2009-09-03 Thread Ross
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 becomes

Re: [zfs-discuss] Problem with RAID-Z in builds snv_120 - snv_123

2009-09-03 Thread Ross
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? -- This message posted from opensolaris.org ___

[zfs-discuss] nuke lots of snapshots

2009-09-03 Thread Jacob Ritorto
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?

Re: [zfs-discuss] nuke lots of snapshots

2009-09-03 Thread Gaëtan Lehmann
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

Re: [zfs-discuss] nuke lots of snapshots

2009-09-03 Thread Jacob Ritorto
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

Re: [zfs-discuss] Problem with RAID-Z in builds snv_120 - snv_123

2009-09-03 Thread Ross Walker
On Sep 3, 2009, at 1:25 PM, Ross myxi...@googlemail.com 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

[zfs-discuss] (no subject)

2009-09-03 Thread Peter Schow
___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Problem with RAID-Z in builds snv_120 - snv_123

2009-09-03 Thread Roman Naumenko
On Sep 3, 2009, at 1:25 PM, Ross myxi...@googlemail.com 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

Re: [zfs-discuss] Problem with RAID-Z in builds snv_120 - snv_123

2009-09-03 Thread Roman Naumenko
Hey, web-admins, you see what happens when mailling list is screwed up from the beginning? -- Roman -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org

Re: [zfs-discuss] Problem with RAID-Z in builds snv_120 - snv_123

2009-09-03 Thread Simon Breden
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

Re: [zfs-discuss] snv_110 - snv_121 produces checksum errors on Raid-Z pool

2009-09-03 Thread Simon Breden
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 -- This message posted from opensolaris.org ___ zfs-discuss

Re: [zfs-discuss] check a zfs rcvd file

2009-09-03 Thread dick hoogendijk
On Wed, 2 Sep 2009 13:06:35 -0500 (CDT) Bob Friesenhahn bfrie...@simple.dallas.tx.us 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

Re: [zfs-discuss] Problem with RAID-Z in builds snv_120 - snv_123

2009-09-03 Thread Adam Leventhal
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

Re: [zfs-discuss] check a zfs rcvd file

2009-09-03 Thread Lori Alt
On 09/03/09 14:21, dick hoogendijk wrote: On Wed, 2 Sep 2009 13:06:35 -0500 (CDT) Bob Friesenhahn bfrie...@simple.dallas.tx.us 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?

Re: [zfs-discuss] Problem with RAID-Z in builds snv_120 - snv_123

2009-09-03 Thread Simon Breden
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 -- This message

Re: [zfs-discuss] [osol-discuss] zfs data loss after crash

2009-09-03 Thread Shawn Walker
[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 id pool

Re: [zfs-discuss] Read about ZFS backup - Still confused

2009-09-03 Thread Cork Smith
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 -- This message posted from opensolaris.org ___ zfs-discuss mailing list

Re: [zfs-discuss] snv_110 - snv_121 produces checksum errors on Raid-Z pool

2009-09-03 Thread Simon Breden
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

Re: [zfs-discuss] snv_110 - snv_121 produces checksum errors on Raid-Z pool

2009-09-03 Thread Frank Middleton
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

Re: [zfs-discuss] Read about ZFS backup - Still confused

2009-09-03 Thread Trevor Pretty
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: [zfs-discuss] Archiving and Restoring Snapshots

2009-09-03 Thread Tim Cook
On Fri, Sep 4, 2009 at 12:17 AM, Ross myxi...@googlemail.com 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