Re: [zfs-discuss] Optimal raidz3 configuration

2010-10-15 Thread Ian Collins
On 10/16/10 12:29 PM, Marty Scholes wrote: On Fri, Oct 15, 2010 at 3:16 PM, Marty Scholes martyscho...@yahoo.com wrote: My home server's main storage is a 22 (19 + 3) disk RAIDZ3 pool backed up hourly to a 14 (11+3) RAIDZ3 backup pool. How long does it take to resilver a disk

Re: [zfs-discuss] how to fix a pool, degraded with insufficient replicas-error

2010-10-10 Thread Ian Collins
On 10/11/10 05:40 AM, Günther wrote: on my raidz3 pool one drive failed. on resilvering the hotspare seems to failed also. this ended in a insufficient replicas error with state of hotfix drive too many errors i could bring back the hotfix drive by export/import the pool (hotfix drive is

Re: [zfs-discuss] Moving camp, lock stock and barrel

2010-10-10 Thread Ian Collins
On 10/11/10 05:13 PM, Harry Putnam wrote: Osol b134 I'm experiencing a forced shutdown of a machine. It is proceeded with a number of beeps in a steady pattern like beep beep beep beep beep beep And onward. 2 beeps pause 2 beeps pause... etc. The beeps are the same

Re: [zfs-discuss] Finding corrupted files

2010-10-07 Thread Ian Collins
On 10/ 7/10 06:22 PM, Stephan Budach wrote: Hi Edward, these are interesting points. I have considered a couple of them, when I started playing around with ZFS. I am not sure whether I disagree with all of your points, but I conducted a couple of tests, where I configured my raids as jbods

Re: [zfs-discuss] [RFC] Backup solution

2010-10-07 Thread Ian Collins
On 10/ 8/10 10:54 AM, Roy Sigurd Karlsbakk wrote: Hi all I'm setting up a couple of 110TB servers and I just want some feedback in case I have forgotten something. The servers (two of them) will, as of current plans, be using 11 VDEVs with 7 2TB WD Blacks each, with a couple of Crucial

Re: [zfs-discuss] [RFC] Backup solution

2010-10-07 Thread Ian Collins
On 10/ 8/10 11:06 AM, Roy Sigurd Karlsbakk wrote: - Original Message - On 10/ 8/10 10:54 AM, Roy Sigurd Karlsbakk wrote: Hi all I'm setting up a couple of 110TB servers and I just want some feedback in case I have forgotten something. The servers (two of them) will, as of

Re: [zfs-discuss] [RFC] Backup solution

2010-10-07 Thread Ian Collins
On 10/ 8/10 11:22 AM, Scott Meilicke wrote: Those must be pretty busy drives. I had a recent failure of a 1.5T disks in a 7 disk raidz2 vdev that took about 16 hours to resliver. There was very little IO on the array, and it had maybe 3.5T of data to resliver. On Oct 7, 2010, at 3:17 PM, Ian

Re: [zfs-discuss] Finding corrupted files

2010-10-06 Thread Ian Collins
On 10/ 6/10 09:52 PM, Stephan Budach wrote: Hi, I recently discovered some - or at least one corrupted file on one ofmy ZFS datasets, which caused an I/O error when trying to send a ZFDS snapshot to another host: zpool status -v obelixData pool: obelixData state: ONLINE status: One or

Re: [zfs-discuss] zfs proerty aclmode gone in 147?

2010-09-28 Thread Ian Collins
On 09/29/10 09:38 AM, Nicolas Williams wrote: I've researched this enough (mainly by reading most of the ~240 or so relevant zfs-discuss posts and several bug reports) to conclude the following: - ACLs derived from POSIX mode_t and/or POSIX Draft ACLs that result in DENY ACEs are

Re: [zfs-discuss] non-ECC Systems and ZFS for home users

2010-09-25 Thread Ian Collins
On 09/25/10 02:54 AM, Erik Trimble wrote: Honestly, I've said it before, and I'll say it (yet) again: unless you have very stringent power requirement (or some other unusual requirement, like very, very low noise), used (or even new-in-box, previous generation excess inventory) OEM stuff

Re: [zfs-discuss] non-ECC Systems and ZFS for home users

2010-09-25 Thread Ian Collins
On 09/26/10 07:25 AM, Erik Trimble wrote: On 9/25/2010 1:57 AM, Ian Collins wrote: On 09/25/10 02:54 AM, Erik Trimble wrote: Honestly, I've said it before, and I'll say it (yet) again: unless you have very stringent power requirement (or some other unusual requirement, like very, very low

Re: [zfs-discuss] non-ECC Systems and ZFS for home users (was: Please warn a home user against OpenSolaris under VirtualBox under WinXP ; ))

2010-09-23 Thread Ian Collins
On 09/23/10 06:33 PM, Alexander Skwar wrote: Hi. 2010/9/19 R.G. Keenk...@geofex.com and last-generation hardware is very, very cheap. Yes, of course, it is. But, actually, is that a true statement? I've read that it's *NOT* advisable to run ZFS on systems which do NOT have ECC RAM.

Re: [zfs-discuss] Growing a root ZFS mirror on b134?

2010-09-23 Thread Ian Collins
On 09/23/10 05:00 PM, Carl Brewer wrote: G'day, My OpenSolaris (b134) box is low on space and has a ZFS mirror for root : uname -a SunOS wattage 5.11 snv_134 i86pc i386 i86pc rpool 696G 639G 56.7G91% 1.09x ONLINE - It's currently a pair of 750GB drives. In my bag I have a

Re: [zfs-discuss] create mirror copy of existing zfs stack

2010-09-20 Thread Ian Collins
On 09/21/10 06:52 AM, sridhar surampudi wrote: Thank you for your quick reply. When I run below command it is showing. bash-3.00# zpool upgrade This system is currently running ZFS pool version 15. All pools are formatted using this version. How can I upgrade to new zpool and zfs versions so

Re: [zfs-discuss] resilver that never finishes

2010-09-18 Thread Ian Collins
On 09/18/10 06:47 PM, Carsten Aulbert wrote: Hi all one of our system just developed something remotely similar: s06:~# zpool status pool: atlashome state: DEGRADED status: One or more devices is currently being resilvered. The pool will continue to function, possibly in a

Re: [zfs-discuss] resilver that never finishes

2010-09-18 Thread Ian Collins
On 09/18/10 08:58 PM, Carsten Aulbert wrote: Hi On Saturday 18 September 2010 10:02:42 Ian Collins wrote: I see this all the time on a troublesome Thumper. I believe this happens because the data in the pool is continuously changing. Ah ok, that may be, there is one particular

Re: [zfs-discuss] resilver that never finishes

2010-09-18 Thread Ian Collins
On 09/19/10 12:01 AM, Tom Bird wrote: On 18/09/10 09:02, Ian Collins wrote: On 09/18/10 06:47 PM, Carsten Aulbert wrote: Has someone an idea how it is possible to resilver 678G of data on a 500G drive? I see this all the time on a troublesome Thumper. I believe this happens because

Re: [zfs-discuss] How to fsck the spacemap?

2010-09-18 Thread Ian Collins
On 09/19/10 08:11 AM, Stephan Ferraro wrote: This is new for me: $ zpool status pool: rpool state: ONLINE status: One or more devices has experienced an unrecoverable error. An attempt was made to correct the error. Applications are unaffected. action: Determine if the device

Re: [zfs-discuss] resilver that never finishes

2010-09-17 Thread Ian Collins
On 09/18/10 04:28 AM, Tom Bird wrote: Bob Friesenhahn wrote: On Fri, 17 Sep 2010, Tom Bird wrote: Morning, c7t5000CCA221F4EC54d0 is a 2T disk, how can it resilver 5.63T of it? This is actually an old capture of the status output, it got to nearly 10T before deciding that there was an error

Re: [zfs-discuss] Best practice for Sol10U9 ZIL -- mirrored or not?

2010-09-17 Thread Ian Collins
On 09/18/10 04:46 PM, Neil Perrin wrote: On 09/17/10 18:32, Edward Ned Harvey wrote: From: Neil Perrin [mailto:neil.per...@oracle.com] you lose information. Not your whole pool. You lose up to 30 sec of writes The default is now 5 seconds (zfs_txg_timeout). When did

Re: [zfs-discuss] resilver = defrag?

2010-09-15 Thread Ian Collins
On 09/16/10 09:18 AM, Edward Ned Harvey wrote: From: Richard Elling [mailto:rich...@nexenta.com] Suppose you want to ensure at least 99% efficiency of the drive. At most 1% time wasted by seeking. This is practically impossible on a HDD. If you need this, use

Re: [zfs-discuss] Unwanted filesystem mounting when using send/recv

2010-09-14 Thread Ian Collins
On 09/15/10 12:56 PM, Peter Jeremy wrote: I am looking at backing up my fileserver by replicating the filesystems onto an external disk using send/recv with something similar to: zfs send ... myp...@snapshot | zfs recv -d backup but have run into a bit of a gotcha with the mountpoint

Re: [zfs-discuss] Forgot username

2010-09-08 Thread Ian Collins
On 09/ 9/10 11:37 AM, Rather not say wrote: Hello - After waiting an hour or so for opensolaris, I had forgot what username I put so I booted into windows to see if I could find it, no luck. How can I figure it out? Not by asking here! The opensolaris-help list is more appropriate. Boot

Re: [zfs-discuss] performance leakage when copy huge data

2010-09-08 Thread Ian Collins
On 09/ 9/10 01:14 PM, Fei Xu wrote: Hi all: I'm a new guy who is just started ZFS for half a year. We are using Nexenta in corporate pilot environment. these days, when I was trying to move around 4TB data from an old pool(4*2TB raidz) to new pool (11*2TB raidz2), it seems will never

Re: [zfs-discuss] performance leakage when copy huge data

2010-09-08 Thread Ian Collins
On 09/ 9/10 02:42 PM, Fei Xu wrote: now it gets extremly slow at around 400G sent. first iostat result is captured when the send operation starts. capacity operationsbandwidth pool alloc free read write read write --- - - - -

Re: [zfs-discuss] ufs root to zfs root liveupgrade?

2010-08-28 Thread Ian Collins
On 08/28/10 11:39 PM, LaoTsao 老曹 wrote: hi all Try to learn how UFS root to ZFS root liveUG work. I download the vbox image of s10u8, it come up as UFS root. add a new disks (16GB) create zpool rpool run lucreate -n zfsroot -p rpool run luactivate zfsroot run lustatus it do show zfsroot will

Re: [zfs-discuss] zfs set readonly=on does not entirely go into read-only mode

2010-08-27 Thread Ian Collins
On 08/28/10 11:13 AM, Robert Milkowski wrote: Hi, When I set readonly=on on a dataset then no new files are allowed to be created. However writes to already opened files are allowed. This is rather counter intuitive - if I set a filesystem as read-only I would expect it not to allow any

Re: [zfs-discuss] zfs set readonly=on does not entirely go into read-only mode

2010-08-27 Thread Ian Collins
On 08/28/10 12:05 PM, Ian Collins wrote: On 08/28/10 11:13 AM, Robert Milkowski wrote: Hi, When I set readonly=on on a dataset then no new files are allowed to be created. However writes to already opened files are allowed. This is rather counter intuitive - if I set a filesystem as read

Re: [zfs-discuss] zfs set readonly=on does not entirely go into read-only mode

2010-08-27 Thread Ian Collins
On 08/28/10 12:45 PM, Edward Ned Harvey wrote: Another specific example ... Suppose you zfs send from a primary server to a backup server. You want the filesystems to be readonly on the backup fileserver, in order to receive incrementals. If you make a mistake, and start writing to the backup

Re: [zfs-discuss] dedup and handling corruptions - impossible?

2010-08-22 Thread Ian Collins
On 08/23/10 10:38 AM, Richard Elling wrote: On Aug 21, 2010, at 9:22 PM, devsk wrote: If dedup is ON and the pool develops a corruption in a file, I can never fix it because when I try to copy the correct file on top of the corrupt file, the block hash will match with the existing blocks

Re: [zfs-discuss] Cant't detach spare device from pool

2010-08-21 Thread Ian Collins
On 08/21/10 07:03 PM, Martin Mundschenk wrote: After about 62 hours and 90%, the resilvering process got stuck. Since 12 hours nothing happens anymore. Thus, I can not detach the spare device. Is there a way to get the resilvering process back running? Are you sure it's stuck? They can take

Re: [zfs-discuss] Cant't detach spare device from pool

2010-08-21 Thread Ian Collins
On 08/21/10 08:50 PM, Simone Caldana wrote: Il giorno 21/ago/2010, alle ore 10.10, Ian Collins ha scritto: On 08/21/10 07:03 PM, Martin Mundschenk wrote: After about 62 hours and 90%, the resilvering process got stuck. Since 12 hours nothing happens anymore. Thus, I can not detach

Re: [zfs-discuss] Root pool on boot drive lost on another machine because of devids

2010-08-20 Thread Ian Collins
On 08/21/10 12:53 PM, devsk wrote: I have a USB flash drive which boots up my opensolaris install. What happens is that whenever I move to a different machine, the root pool is lost because the devids don't match with what's in /etc/zfs/zpool.cache and the system just can't find the rpool.

Re: [zfs-discuss] 64-bit vs 32-bit applications

2010-08-19 Thread Ian Collins
On 08/19/10 08:51 PM, Joerg Schilling wrote: Ian Collinsi...@ianshome.com wrote: A quick test with a C++ application I'm working with which does a lot of string and container manipulation shows it runs about 10% slower in 64 bit mode on AMD64 and about the same in 32 or 64 bit on a core

Re: [zfs-discuss] [Totally TO] 64-bit vs 32-bit applications

2010-08-19 Thread Ian Collins
On 08/20/10 07:13 AM, C. Bergström wrote: (Why is this being discussed on zfs-discuss) As a distraction form the endless circular licensing arguments? -- Ian. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org

Re: [zfs-discuss] 64-bit vs 32-bit applications

2010-08-19 Thread Ian Collins
On 08/20/10 07:48 AM, Garrett D'Amore wrote: On Thu, 2010-08-19 at 20:14 +0100, Daniel Taylor wrote: On 19 Aug 2010, at 19:42, Garrett D'Amore wrote: Out of interest, what language do you recommend? Depends on the job -- I'm a huge fan of choosing the right tool for the job. I just

Re: [zfs-discuss] 64-bit vs 32-bit applications

2010-08-19 Thread Ian Collins
On 08/20/10 08:35 AM, Garrett D'Amore wrote: On Fri, 2010-08-20 at 03:26 +0700, C. Bergström wrote: Ian Collins wrote: On 08/20/10 07:48 AM, Garrett D'Amore wrote: On Thu, 2010-08-19 at 20:14 +0100, Daniel Taylor wrote: On 19 Aug 2010, at 19:42, Garrett D'Amore

Re: [zfs-discuss] 64-bit vs 32-bit applications

2010-08-19 Thread Ian Collins
On 08/20/10 08:30 AM, Garrett D'Amore wrote: On Fri, 2010-08-20 at 07:58 +1200, Ian Collins wrote: On 08/20/10 07:48 AM, Garrett D'Amore wrote: On Thu, 2010-08-19 at 20:14 +0100, Daniel Taylor wrote: On 19 Aug 2010, at 19:42, Garrett D'Amore wrote: Out of interest, what

Re: [zfs-discuss] 64-bit vs 32-bit applications

2010-08-19 Thread Ian Collins
On 08/20/10 09:26 AM, Garrett D'Amore wrote: On Fri, 2010-08-20 at 09:23 +1200, Ian Collins wrote: There is no common C++ ABI. So you get into compatibility concerns between code built with different compilers (like Studio vs. g++). Fail. Which is why we have extern C. Just about

Re: [zfs-discuss] 64-bit vs 32-bit applications

2010-08-19 Thread Ian Collins
On 08/20/10 09:33 AM, Nicolas Williams wrote: On Fri, Aug 20, 2010 at 09:23:56AM +1200, Ian Collins wrote: On 08/20/10 08:30 AM, Garrett D'Amore wrote: There is no common C++ ABI. So you get into compatibility concerns between code built with different compilers (like Studio vs. g

Re: [zfs-discuss] 64-bit vs 32-bit applications

2010-08-19 Thread Ian Collins
On 08/20/10 09:48 AM, Nicolas Williams wrote: On Fri, Aug 20, 2010 at 09:38:51AM +1200, Ian Collins wrote: On 08/20/10 09:33 AM, Nicolas Williams wrote: Any driver C++ code would still need a C++ run-time. Either you must statically link it in, or you'll have a problem with multiple

Re: [zfs-discuss] 2TB drive will not work on motherboard

2010-08-18 Thread Ian Collins
On 08/19/10 04:56 AM, seth keith wrote: I had a perfectly working 7 drive raidz pool using some on board STATA connectors and some on PCI SATA controller cards. My pool was using 500GB drives. I had the stupid idea to replace my 500GB drives with 2TB ( Mitsubishi ) drives. This process

Re: [zfs-discuss] 64-bit vs 32-bit applications

2010-08-18 Thread Ian Collins
On 08/18/10 08:40 AM, Joerg Schilling wrote: Ian Collinsi...@ianshome.com wrote: Some application benefit from the extended register set and function call ABI, others suffer due to increased sizes impacting the cache. Well, please verify your claims as they do not meet my

Re: [zfs-discuss] 64-bit vs 32-bit applications

2010-08-17 Thread Ian Collins
On 08/17/10 09:43 PM, Joerg Schilling wrote: Garrett D'Amoregarr...@nexenta.com wrote: It can be as simple as impact on the cache. 64-bit programs tend to be bigger, and so they have a worse effect on the i-cache. Unless your program does something that can inherently benefit from

Re: [zfs-discuss] 64-bit vs 32-bit applications

2010-08-17 Thread Ian Collins
On 08/18/10 12:05 AM, Joerg Schilling wrote: Ian Collinsi...@ianshome.com wrote: If you have an orthogonal architecture like sparc, a typical 64 bit program is indeed a bit slower than the same program in 32 bit. On Amd64, you have twice as many registers in 64 bit mode and this is the

Re: [zfs-discuss] 64-bit vs 32-bit applications

2010-08-17 Thread Ian Collins
On 08/18/10 08:40 AM, Joerg Schilling wrote: Ian Collinsi...@ianshome.com wrote: On 08/18/10 12:05 AM, Joerg Schilling wrote: Ian Collinsi...@ianshome.com wrote: If you have an orthogonal architecture like sparc, a typical 64 bit program is indeed a bit slower than the

[zfs-discuss] Is the error threshold for a degraded device configurable?

2010-08-15 Thread Ian Collins
I look after an x4500 for a client and wee keep getting drives marked as degraded with just over 20 checksum errors. Most of these errors appear to be driver or hardware related and thier frequency increases during a resilver, which can lead to a death spiral. The increase in errors within a

Re: [zfs-discuss] Is the error threshold for a degraded device configurable?

2010-08-15 Thread Ian Collins
On 08/16/10 12:37 PM, Richard Elling wrote: On Aug 15, 2010, at 4:59 PM, Ian Collins wrote: I look after an x4500 for a client and wee keep getting drives marked as degraded with just over 20 checksum errors. Most of these errors appear to be driver or hardware related and thier

Re: [zfs-discuss] RAID Z stripes

2010-08-10 Thread Ian Collins
On 08/10/10 06:21 PM, Terry Hull wrote: I am wanting to build a server with 16 - 1TB drives with 2 – 8 drive RAID Z2 arrays striped together. However, I would like the capability of adding additional stripes of 2TB drives in the future. Will this be a problem? I thought I read it is best to

Re: [zfs-discuss] RAID Z stripes

2010-08-10 Thread Ian Collins
On 08/10/10 09:12 PM, Andrew Gabriel wrote: Phil Harman wrote: On 10 Aug 2010, at 08:49, Ian Collins i...@ianshome.com wrote: On 08/10/10 06:21 PM, Terry Hull wrote: I am wanting to build a server with 16 - 1TB drives with 2 – 8 drive RAID Z2 arrays striped together. However, I would like

Re: [zfs-discuss] RAID Z stripes

2010-08-10 Thread Ian Collins
On 08/10/10 10:09 PM, Phil Harman wrote: On 10 Aug 2010, at 10:22, Ian Collinsi...@ianshome.com wrote: On 08/10/10 09:12 PM, Andrew Gabriel wrote: Another option - use the new 2TB drives to swap out the existing 1TB drives. If you can find another use for the swapped out drives, this

Re: [zfs-discuss] RAID Z stripes

2010-08-10 Thread Ian Collins
On 08/11/10 05:16 AM, Terry Hull wrote: So do I understand correctly that really the Right thing to do is to build a pool not only with a consistent strip width, but also to build it with drives on only one size? It also sounds like from a practical point of view that building the pool

Re: [zfs-discuss] Problems with big ZFS send/receive in b134

2010-08-10 Thread Ian Collins
On 08/11/10 03:45 PM, David Dyer-Bennet wrote: On 10-Aug-10 13:46, David Dyer-Bennet wrote: It's possible that a snapshot was *deleted* on the sending pool during the send operation, however. Also that snapshots were created (however, a newly created one would be after the one specified in

Re: [zfs-discuss] How can a mirror lose a file?

2010-07-28 Thread Ian Collins
On 07/29/10 07:41 AM, sol wrote: Hi Having just done a scrub of a mirror I've lost a file and I'm curious how this can happen in a mirror. Doesn't it require the almost impossible scenario of exactly the same sector being trashed on both disks? However the zpool status shows checksum errors

Re: [zfs-discuss] Existing zpool, add new disk to create raidz

2010-07-22 Thread Ian Collins
On 07/23/10 04:38 PM, Chris wrote: Apologies if this question has been answered before, and sorry if this is in the wrong forum (I couldn't find communities zfs discuss in the list) but I haven't been able to find the answer despite extensive searching. I have a zpool consisting of 3 x 1TB

Re: [zfs-discuss] zfs send to remote any ideas for a faster way than ssh?

2010-07-20 Thread Ian Collins
On 07/21/10 03:12 AM, Richard Jahnel wrote: On the receiver /opt/csw/bin/mbuffer -m 1G -I Ostor-1:8000 | zfs recv -F e...@sunday in @ 0.0 kB/s, out @ 0.0 kB/s, 43.7 GB total, buffer 100% fullcannot receive new filesystem stream: invalid backup stream mbuffer: error: outputThread: error

Re: [zfs-discuss] zfs send to remote any ideas for a faster way than ssh?

2010-07-19 Thread Ian Collins
On 07/20/10 08:20 AM, Richard Jahnel wrote: I've used mbuffer to transfer hundreds of TB without a problem in mbuffer itself. You will get disconnected if the send or receive prematurely ends, though. mbuffer itself very specifically ends with a broken pipe error. Very quickly with s

Re: [zfs-discuss] raidz capacity osol vs freebsd

2010-07-17 Thread Ian Collins
On 07/18/10 11:19 AM, marco wrote: Im seeing weird differences between 2 raidz pools, 1 created on a recent freebsd 9.0-CURRENT amd64 box containing the zfs v15 bits, the other on a old osol build. The raidz pool on the fbsd box is created from 3 2Tb sata drives. The raidz pool on the osol box

Re: [zfs-discuss] Is there any support for bi-directional synchronization in zfs?

2010-07-14 Thread Ian Collins
On 07/14/10 07:10 PM, Peter Taps wrote: Folks, This is probably a very naive question. Is it possible to set zfs for bi-directional synchronization of data across two locations? I am thinking this is almost impossible. Consider two files A and B at two different sites. There are three

Re: [zfs-discuss] zfs send/recv hanging in 2009.06

2010-07-13 Thread Ian Collins
On 07/14/10 03:55 AM, David Dyer-Bennet wrote: On Fri, July 9, 2010 16:49, BJ Quinn wrote: I have a couple of systems running 2009.06 that hang on relatively large zfs send/recv jobs. With the -v option, I see the snapshots coming across, and at some point the process just pauses, IO and

Re: [zfs-discuss] Legality and the future of zfs...

2010-07-13 Thread Ian Collins
On 07/14/10 04:20 PM, Edward Ned Harvey wrote: Here's a really simple way to get some pricing information: Go to Dell.com. Servers. Servers. Rack. Enhanced. PowerEdge R710 (Customize.) You could pick any server that supports solaris. I just chose the R710 because I know it does.

Re: [zfs-discuss] zfs send/recv hanging in 2009.06

2010-07-12 Thread Ian Collins
On 07/13/10 06:48 AM, BJ Quinn wrote: Yeah, it's just that I don't think I'll be allowed to put up a dev version, but I would probably get away with putting up 2008.11 if it doesn't have the same problems with zfs send/recv. Does anyone know? That would be a silly thing to do. Your

Re: [zfs-discuss] How do I clean up corrupted files from zpool status -v?

2010-07-12 Thread Ian Collins
On 07/13/10 11:10 AM, Kris Kasner wrote: Hi Folks.. I have a system that was inadvertently left unmirrored for root. We were able to add a mirror disk, resilver, and fix the corrupted files (nothing very interesting was corrupt, whew), but zpool status -v still shows errors.. Will this

Re: [zfs-discuss] ZFS snapshot zvols/iscsi send backup

2010-07-12 Thread Ian Collins
On 07/13/10 12:26 PM, Gary Leong wrote: I'm looking to use ZFS to export ISCSI volumes to a Windows/Linux client. Essentially, I'm looking to create two storage ZFS machines that I will export ISCSI targets from. Then from the client side, I will enable mirrorings. The two ZFS machines

Re: [zfs-discuss] zfs snapshot revert

2010-07-09 Thread Ian Collins
On 07/10/10 08:10 AM, zfsnoob4 wrote: I'm not trying to fix anything in particular, I'm just curious. In case I rollback a filesystem and then realize, I wanted a file from the original file system (before rollback). I read the section on clones here:

Re: [zfs-discuss] zfs send/recv hanging in 2009.06

2010-07-09 Thread Ian Collins
On 07/10/10 09:49 AM, BJ Quinn wrote: I have a couple of systems running 2009.06 that hang on relatively large zfs send/recv jobs. With the -v option, I see the snapshots coming across, and at some point the process just pauses, IO and CPU usage go to zero, and it takes a hard reboot to get

Re: [zfs-discuss] zfs send, receive, compress, dedup

2010-07-08 Thread Ian Collins
On 07/ 9/10 09:21 AM, Edward Ned Harvey wrote: Suppose I have a fileserver, which may be zpool 10, 14, or 15. No compression, no dedup. Suppose I have a backupserver. I want to zfs send from the fileserver to the backupserver, and I want the backupserver to receive and store compressed

Re: [zfs-discuss] zfs send, receive, compress, dedup

2010-07-08 Thread Ian Collins
On 07/ 9/10 10:59 AM, Brandon High wrote: Personally, I've started organizing datasets in a hierarchy, setting the properties that I want for descendant datasets at a level where it will apply to everything that I want to get it. So if you have your source at tank/export/foo and your

Re: [zfs-discuss] zfs snapshot revert

2010-07-08 Thread Ian Collins
On 07/ 9/10 01:29 PM, zfsnoob4 wrote: Hi, I have a question about snapshots. If I restore a file system based on some snapshot I took in the past, is it possible to revert back to before I restored? ie: zfs snapshot t...@yesterday mkdir /test/newfolder zfs rollback t...@yesterday so now

Re: [zfs-discuss] never ending resilver

2010-07-05 Thread Ian Collins
On 07/ 6/10 02:21 AM, Francois wrote: Hi list, Here's my case : pool: mypool state: DEGRADED status: One or more devices is currently being resilvered. The pool will continue to function, possibly in a degraded state. action: Wait for the resilver to complete. scrub: resilver in

Re: [zfs-discuss] Mounting NTFS problem

2010-07-03 Thread Ian Collins
On 07/ 4/10 02:54 PM, zfsnoob4 wrote: Hello, I'm using opensolaris b134 and I'm trying to mount a ntfs partition. I followed the instructions located here: http://sun.drydog.com/faq/9.html You have posted to the wrong list, opensolaris-help would be more appropriate so I've coped that

Re: [zfs-discuss] zfs - filesystem versus directory

2010-07-02 Thread Ian Collins
On 07/ 2/10 04:12 PM, Peter Taps wrote: Folks, While going through a quick tutorial on zfs, I came across a way to create zfs filesystem within a filesystem. For example: # zfs create mytest/peter where mytest is a zpool filesystem. When does this way, the new filesystem has the mount point

Re: [zfs-discuss] zfs rpool corrupt?????

2010-06-30 Thread Ian Collins
On 07/ 1/10 01:36 AM, Tony MacDoodle wrote: Hello, Has anyone encountered the following error message, running Solaris 10 u8 in an LDom. bash-3.00# devfsadm devfsadm: write failed for /dev/.devfsadm_dev.lock: Bad exchange descriptor Not specifically. But it is clear from what follows

Re: [zfs-discuss] ZFS bug - should I be worried about this?

2010-06-28 Thread Ian Collins
On 06/28/10 08:15 PM, Gabriele Bulfon wrote: I found this today: http://blog.lastinfirstout.net/2010/06/sunoracle-finally-announces-zfs-data.html?utm_source=feedburnerutm_medium=feedutm_campaign=Feed%3A+LastInFirstOut+%28Last+In%2C+First+Out%29utm_content=FriendFeed+Bot How can I be sure my

[zfs-discuss] Apparent resilver slow down

2010-06-25 Thread Ian Collins
I've noticed (at least on Solaris 10) that the resiver rate appears to slow down considerably as it nears completion. On an eight 500G raidz2 vdev, after 28 hours zpool status reported: spare DEGRADED 0 063 c1t6d0 DEGRADED 0 011 too many

Re: [zfs-discuss] One dataset per user?

2010-06-20 Thread Ian Collins
On 06/21/10 03:55 AM, Roy Sigurd Karlsbakk wrote: Hi all We're working on replacing our current fileserver with something based on either Solaris or NexentaStor. We have about 200 users with variable needs. There will also be a few common areas for each department and perhaps a backup area.

Re: [zfs-discuss] Erratic behavior on 24T zpool

2010-06-18 Thread Ian Collins
On 06/18/10 09:21 PM, artiepen wrote: This is a test system. I'm wondering, now, if I should just reconfigure with maybe 7 disks and add another spare. Seems to be the general consensus that bigger raid pools = worse performance. I thought the opposite was true... No, wider vdevs gives

Re: [zfs-discuss] Disk space overhead (total volume size) by ZFS

2010-05-31 Thread Ian Collins
On 06/ 1/10 07:16 AM, Sandon Van Ness wrote: Here is zpool status for my 'data' pool: r...@opensolaris: 11:43 AM :~# zpool status data pool: data state: ONLINE scrub: none requested config: NAME STATE READ WRITE CKSUM data

Re: [zfs-discuss] zpool status output confusion

2010-05-27 Thread Ian Collins
On 05/27/10 09:16 PM, Per Jorgensen wrote: thanks for the quick responses and yes the history show just what you said :( is there a way i can get c9t8d0 out of the pool , or how do i get the pool back to optimal redundancy ? No, you will have to destroy the pool and start over. Or if

Re: [zfs-discuss] Understanding ZFS performance.

2010-05-22 Thread Ian Collins
On 05/23/10 08:52 AM, Thomas Burgess wrote: If you install Opensolaris with the AHCI settings off, then switch them on, it will fail to boot I had to reinstall with the settings correct. Well you probably didn't have to. Booting form the live CD and importing the pool would have put things

Re: [zfs-discuss] Understanding ZFS performance.

2010-05-22 Thread Ian Collins
On 05/23/10 08:43 AM, Brian wrote: Is there a way within opensolaris to detect if AHCI is being used by various controllers? I suspect you may be accurate an AHCI is not turned on. The bios for this particular motherboard is fairly confusing on the AHCI settings. The only setting I have is

Re: [zfs-discuss] Understanding ZFS performance.

2010-05-22 Thread Ian Collins
On 05/23/10 11:31 AM, Brian wrote: Sometimes when it hangs on boot hitting space bar or any key won't bring it back to the command line. That is why I was wondering if there was a way to not show the splashscreen at all, and rather show what it was trying to load when it hangs. From my

Re: [zfs-discuss] snapshots send/recv

2010-05-22 Thread Ian Collins
On 05/23/10 01:18 PM, Thomas Burgess wrote: this worked fine, next today, i wanted to send what has changed i did zfs snapshot tank/nas/d...@second now, heres where i'm confusedfrom reading the man page i thought this command would work: pfexec zfs send -i tank/nas/d...@first

Re: [zfs-discuss] snapshots send/recv

2010-05-22 Thread Ian Collins
On 05/23/10 03:56 PM, Thomas Burgess wrote: let me ask a question though. Lets say i have a filesystem tank/something i make the snapshot tank/someth...@one i send/recv it then i do something (add a file...remove something, whatever) on the send side, then i do a send/recv and force it of

Re: [zfs-discuss] New SSD options

2010-05-21 Thread Ian Collins
On 05/22/10 12:31 PM, Don wrote: I just spoke with a co-worker about doing something about it. He says he can design a small in-line UPS that will deliver 20-30 seconds of 3.3V, 5V, and 12V to the SATA power connector for about $50 in parts. It would be even less if only one voltage was needed.

Re: [zfs-discuss] Opteron 6100? Does it work with opensolaris?

2010-05-21 Thread Ian Collins
On 05/22/10 12:54 PM, Thomas Burgess wrote: Something i've been meaning to ask I'm transfering some data from my older server to my newer one. the older server has a socket 775 intel Q9550 8 gb ddr2 800 20 1TB drives in raidz2 (3 vdevs, 2 with 7 drives one with 6) connected to 3

Re: [zfs-discuss] Opteron 6100? Does it work with opensolaris?

2010-05-21 Thread Ian Collins
On 05/22/10 04:44 PM, Thomas Burgess wrote: I can't tell you for sure For some reason the server lost power and it's taking forever to come back up. (i'm really not sure what happened) anyways, this leads me to my next couple questions: Is there any way to resume a zfs send/recv

Re: [zfs-discuss] Opteron 6100? Does it work with opensolaris?

2010-05-21 Thread Ian Collins
On 05/22/10 05:22 PM, Thomas Burgess wrote: yah, it seems that rsync is faster for what i need anywaysat least right now... ZFS send/receive should run at wire speed for a Gig-E link. Ian. ___ zfs-discuss mailing list

Re: [zfs-discuss] root pool mirror problems

2010-05-20 Thread Ian Collins
On 05/20/10 08:39 PM, roi shidlovsky wrote: hi. i am trying to attach a mirror disk to my root pool. if the two disk are the same size.. it all works fine, but if the two disks are with different size (8GB and 7.5GB) i get a I/O error on the attach command. can anybody tell me what am i doing

Re: [zfs-discuss] Very serious performance degradation

2010-05-19 Thread Ian Collins
On 05/19/10 09:34 PM, Philippe wrote: Hi ! It is strange because I've checked the SMART data of the 4 disks, and everything seems really OK ! (on another hardware/controller, because I needed Windows to check it). Maybe it's a problem with the SAS/SATA controller ?! One question : if I halt

Re: [zfs-discuss] Opteron 6100? Does it work with opensolaris?

2010-05-16 Thread Ian Collins
On 05/17/10 12:08 PM, Thomas Burgess wrote: well, i haven't had a lot of time to work with this...but i'm having trouble getting the onboard sata to work in anything but NATIVE IDE mode. I'm not sure exactly what the problem isi'm wondering if i bought the wrong cable (i have a norco

Re: [zfs-discuss] 3 Data Disks: partitioning for 1 Raid0 and 1 Raidz1

2010-05-15 Thread Ian Collins
On 05/15/10 09:43 PM, Jason Barr wrote: Hello, I want to slice these 3 disks into 2 partitions each and configure 1 Raid0 and 1 Raidz1 on these 3. Lets get the obvious question out of the way first: why? If you intend one two way mirror and one raidz, you will either have to waste one

Re: [zfs-discuss] Unable to Destroy One Particular Snapshot

2010-05-15 Thread Ian Collins
On 05/16/10 06:52 AM, John Balestrini wrote: Howdy All, I've a bit of a strange problem here. I have a filesystem with one snapshot that simply refuses to be destroyed. The snapshots just prior to it and just after it were destroyed without problem. While running the zfs destroy command on

Re: [zfs-discuss] Unable to Destroy One Particular Snapshot

2010-05-15 Thread Ian Collins
On 05/16/10 12:40 PM, John Balestrini wrote: Yep. Dedup is on. A zpool list shows a 1.50x dedup ratio. I was imagining that the large ratio was tied to that particular snapshot. basie@/root# zpool list pool1 NAMESIZE ALLOC FREECAP DEDUP HEALTH ALTROOT pool1 2.72T 1.55T 1.17T

[zfs-discuss] Odd dump volume panic

2010-05-12 Thread Ian Collins
I just tried moving a dump volume form rpool into another pool so I used zfs send/receive to copy the volume (to keep some older dumps) then ran dumpadm -d to use the new location. This caused a panic. Nothing ended up in messages and needless to say, there isn't a dump! Creating a new

Re: [zfs-discuss] Odd dump volume panic

2010-05-12 Thread Ian Collins
On 05/13/10 03:27 AM, Lori Alt wrote: On 05/12/10 04:29 AM, Ian Collins wrote: I just tried moving a dump volume form rpool into another pool so I used zfs send/receive to copy the volume (to keep some older dumps) then ran dumpadm -d to use the new location. This caused a panic. Nothing

Re: [zfs-discuss] Sun X4500 disk drives

2010-05-12 Thread Ian Collins
On 05/13/10 08:55 AM, Jens Elkner wrote: On Wed, May 12, 2010 at 09:34:28AM -0700, Doug wrote: We have a 2006 Sun X4500 with Hitachi 500G disk drives. Its been running for over four years and just now fmadm zpool reports a disk has failed. No data was lost (RAIDZ2 + hot spares worked

Re: [zfs-discuss] Opteron 6100? Does it work with opensolaris?

2010-05-12 Thread Ian Collins
On 05/13/10 12:46 PM, Erik Trimble wrote: I've gotten a couple of the newest prototype AMD systems, with the C34 and G34 sockets. All have run various flavors of OpenSolaris quite well, with the exception of a couple of flaky network problems, which we've tracked down to pre-production NIC

Re: [zfs-discuss] Unexpected rpool mirror behavior found during testing

2010-05-11 Thread Ian Collins
On 05/12/10 02:10 PM, Terence Tan wrote: I was having quite a bit of problems getting the rpool mirroring to work as expected. This appears to be a known issue, see the thread b134 - Mirrored rpool won't boot unless both mirrors are present and

Re: [zfs-discuss] Plugging in a hard drive after Solaris has booted up?

2010-05-08 Thread Ian Collins
On 05/ 9/10 06:54 AM, Giovanni Mazzeo wrote: giova...@server:~# cfgadm Ap_Id Type Receptacle Occupant Condition sata1/0disk connectedunconfigured unknown sata1/1::dsk/c8t1d0disk connected

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