Re: [zfs-discuss] zfs raid1 error resilvering and mount

2013-02-19 Thread Victor Latushkin
On 2/19/13 6:32 AM, Jim Klimov wrote: On 2013-02-19 14:24, Konstantin Kuklin wrote: zfs set canmount=off zroot/var/crash i can`t do this, because zfs list empty I'd argue that in your case it might be desirable to evacuate data and reinstall the OS - just to be certain that ZFS on-disk

Re: [zfs-discuss] No write coalescing after upgrade to Solaris 11 Express

2011-04-28 Thread Victor Latushkin
On Apr 28, 2011, at 5:04 PM, Stephan Budach wrote: Am 28.04.11 11:51, schrieb Markus Kovero: failed: space_map_load(sm, zfs_metaslab_ops, SM_FREE, smo, spa-spa_meta_objset) == 0, file ../zdb.c, line 571, function dump_metaslab Is this something I should worry about? uname -a SunOS E55000

Re: [zfs-discuss] SEEK_HOLE returns the whole sparse file size?

2011-04-18 Thread Victor Latushkin
On Apr 18, 2011, at 11:22 AM, jeff.liu wrote: Hello List, I am trying to fetch the data/hole info of a sparse file through the lseek(SEEK_HOLE/SEEK_DATA) stuff, the result of fpathconf(..., _PC_MIN_HOLE_SIZE) is ok, so I think this interface is supported on my testing ZFS, but

Re: [zfs-discuss] Read-only vdev

2011-04-08 Thread Victor Latushkin
On Apr 8, 2011, at 2:38 PM, Karl Wagner wrote: One of them was simply an alternative way to do a live CD environment. As ZFS already does COW etc, it would avoid all the hassle you get in e.g. linux. You could have a ZFS vdev on the CD, then use a RAM disk as a second vdev. IIRC this idea

Re: [zfs-discuss] panic[cpu0]/thread=ffffff0016e03c40: zfs: allocating allocated segment...

2010-11-24 Thread Victor Latushkin
On Nov 24, 2010, at 7:52 PM, Karel Gardas wrote: Hello, during my attempts to update my workstation OS to the latest Solaris 11 Express 2010.11 I've come to the point where machine nolonger booted anymore. That was just after the last reboot of Sol11Express when everything was updated

Re: [zfs-discuss] ZFS doesn't notice errors in mirrored log device?

2010-11-23 Thread Victor Latushkin
On Nov 13, 2010, at 7:33 AM, Edward Ned Harvey wrote: Log devices are generally write-only. They are only read during boot, after an ungraceful crash. It is extremely difficult to get a significant number of GB used on the log device, because they are flushed out to primary storage so

Re: [zfs-discuss] ZFS doesn't notice errors in mirrored log device?

2010-11-12 Thread Victor Latushkin
On Nov 12, 2010, at 5:21 PM, Alexander Skwar wrote: Hm. Why are there no errors shown for the logs devices? You need to crash you machine while log devices are in use, then you'll see some reads on the next reboot. In use here means that system is actively writing to log devices at the time

Re: [zfs-discuss] ZPool creation brings down the host

2010-10-08 Thread Victor Latushkin
On Oct 8, 2010, at 10:25 AM, James C. McPherson wrote: On 8/10/10 03:28 PM, Anand Bhakthavatsala wrote: ... -- *From:* James C. McPherson j...@opensolaris.org *To:* Ramesh Babu rama.b...@gmail.com On 7/10/10 03:46

Re: [zfs-discuss] My filesystem turned from a directory into a special character device

2010-09-27 Thread Victor Latushkin
On Sep 27, 2010, at 8:30 PM, Scott Meilicke wrote: I am running nexenta CE 3.0.3. I have a file system that at some point in the last week went from a directory per 'ls -l' to a special character device. This results in not being able to get into the file system. Here is my file

Re: [zfs-discuss] space_map again nuked!!

2010-09-22 Thread Victor Latushkin
On Sep 23, 2010, at 1:11 AM, Stephan Ferraro wrote: He had problems with ZFS. It turned out to be faulty RAM. ZFS is so sensitive it detects and reports problems to you. No other filesystem does that, so you think ZFS is problematic and switch. But the other filesystems is slowly

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

2010-09-20 Thread Victor Latushkin
On Sep 19, 2010, at 12:11 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

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

2010-09-20 Thread Victor Latushkin
On Sep 19, 2010, at 12:08 AM, Stephan Ferraro wrote: Is there a way to fsck the spacemap? Does scrub helps for this? No, because issues that you see are internal inconsistencies with unclear nature. Though as actual issue varies from one inctance to another this is likely some random

Re: [zfs-discuss] Cannot access dataset

2010-09-20 Thread Victor Latushkin
On Sep 20, 2010, at 7:23 PM, Valerio Piancastelli wrote: Unfortunately not. When i do # /usr/bin/ls -lv /sas/mail-cts brwxrwxrwx 2 777 root 0, 0 Oct 18 2009 /volumes/store/nfs/ICLOS/prod/mail-cts it seem a block device: Yes,it looks like we have bad mode field value in the znode

Re: [zfs-discuss] Cannot access dataset

2010-09-20 Thread Victor Latushkin
ssh access. Please notify me when you don't need anymore Valerio Piancastelli +39 348 8072760 piancaste...@iclos.com - Messaggio originale - Da: Victor Latushkin victor.latush...@oracle.com A: Valerio Piancastelli piancaste...@iclos.com Cc: mark musante mark.musa...@oracle.com

Re: [zfs-discuss] space_map again nuked!!

2010-09-19 Thread Victor Latushkin
On Sep 18, 2010, at 11:37 AM, Stephan Ferraro wrote: I'm really angry against ZFS: Emotions rarely help to get to the root cause... My server no more reboots because the ZFS spacemap is again corrupt. I just replaced the whole spacemap by recreating a new zpool from scratch and copying

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

2010-09-19 Thread Victor Latushkin
On Sep 19, 2010, at 9:06 PM, Stephan Ferraro wrote: Am 19.09.2010 um 18:59 schrieb Victor Latushkin: On Sep 19, 2010, at 12:08 AM, Stephan Ferraro wrote: Is there a way to fsck the spacemap? Does scrub helps for this? No, because issues that you see are internal inconsistencies

Re: [zfs-discuss] ZFS Dataset lost structure

2010-09-17 Thread Victor Latushkin
are there. Any ideas on hot to recover from this situation? Valerio Piancastelli piancaste...@iclos.com ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss -- -- Victor Latushkin

Re: [zfs-discuss] onnv_142 - vfs_mountroot: cannot mount root

2010-09-07 Thread Victor Latushkin
-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss -- -- Victor Latushkin phone: x11467 / +74959370467 TSC-Kernel EMEAmobile: +78957693012 Sun Services, Moscow

Re: [zfs-discuss] problem with zpool import - zil and cache drive are not displayed?

2010-08-17 Thread Victor Latushkin
import support is now integrated into source code thanks to George Wilson's efforts. regards victor Thanks, Dmitry -Original Message- From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss-boun...@opensolaris.org] On Behalf Of Victor Latushkin Sent: Tuesday, August 03

Re: [zfs-discuss] Kernel Panic on zpool clean

2010-08-17 Thread Victor Latushkin
On Jul 9, 2010, at 4:27 AM, George wrote: I think it is quite likely to be possible to get readonly access to your data, but this requires modified ZFS binaries. What is your pool version? What build do you have installed on your system disk or available as LiveCD? For the record - using

Re: [zfs-discuss] Help! Dedup delete FS advice needed!!

2010-08-16 Thread Victor Latushkin
On Aug 16, 2010, at 12:29 PM, Marc Emmerson wrote: Hi Victor, I just woke up and checked my server and the delete operation has completed, however I ran your command anyway and here is the output: If all is well, then requested information is no longer relevant ;-) victor

Re: [zfs-discuss] Help! Dedup delete FS advice needed!!

2010-08-15 Thread Victor Latushkin
On Aug 15, 2010, at 11:30 PM, Marc Emmerson wrote: Hi all, I have a 10TB array (zpool = 2x 5 disk raidz1), I had dedup enabled on a couple of filesystems which I decided to delete last week, the first contained about 6GB of data and was deleted in about 30 minutes, the second (about

Re: [zfs-discuss] problem with zpool import - zil and cache drive are not displayed?

2010-08-03 Thread Victor Latushkin
On Aug 4, 2010, at 12:23 AM, Darren Taylor wrote: Hi George, I think you are right. The log device looks to have suffered a complete loss, there is no data on the disk at all. The log device was a acard ram drive (with battery backup), but somehow it has faulted clearing all data.

Re: [zfs-discuss] ZFS recovery tools

2010-07-08 Thread Victor Latushkin
On Jul 8, 2010, at 11:15 AM, R. Eulenberg wrote: pstack 'pgrep zdb'/1 and system answers: pstack: cannot examine pgrep zdb/1: no such process or core file use ` instead of ' in the above command. ___ zfs-discuss mailing list

Re: [zfs-discuss] Help with Faulted Zpool Call for Help(Cross post)

2010-07-08 Thread Victor Latushkin
On Jul 7, 2010, at 3:27 AM, Richard Elling wrote: On Jul 6, 2010, at 10:02 AM, Sam Fourman Jr. wrote: Hello list, I posted this a few days ago on opensolaris-discuss@ list I am posting here, because there my be too much noise on other lists I have been without this zfs set for a

Re: [zfs-discuss] pool wide corruption, Bad exchange descriptor

2010-07-06 Thread Victor Latushkin
On Jul 6, 2010, at 6:30 PM, Brian Kolaci wrote: Well, I see no takers or even a hint... I've been playing with zdb to try to examine the pool, but I get: # zdb -b pool4_green zdb: can't open pool4_green: Bad exchange descriptor # zdb -d pool4_green zdb: can't open pool4_green: Bad

Re: [zfs-discuss] zpool import hangs indefinitely (retry post in parts; too long?)

2010-07-06 Thread Victor Latushkin
On Jul 4, 2010, at 4:58 AM, Andrew Jones wrote: Victor, The zpool import succeeded on the next attempt following the crash that I reported to you by private e-mail! From the threadlist it looked like system was pretty low on memory with stacks of userland stuff swapped out, hence system

Re: [zfs-discuss] Kernel Panic on zpool clean

2010-07-06 Thread Victor Latushkin
On Jul 3, 2010, at 1:20 PM, George wrote: Because of that I'm thinking that I should try to change the hostid when booted from the CD to be the same as the previously installed system to see if that helps - unless that's likely to confuse it at all...? I've now tried changing the hostid

Re: [zfs-discuss] ZFS recovery tools

2010-07-06 Thread Victor Latushkin
On Jul 4, 2010, at 1:33 AM, R. Eulenberg wrote: R. Eulenberg ron2105 at web.de writes: op I was setting up a new systen (osol 2009.06 and updating to op the lastest version of osol/dev - snv_134 - with op deduplication) and then I tried to import my backup zpool, but op it

Re: [zfs-discuss] Kernel Panic on zpool clean

2010-07-06 Thread Victor Latushkin
On Jun 28, 2010, at 11:27 PM, George wrote: Again this core dumps when I try to do zpool clear storage2 Does anyone have any suggestions what would be the best course of action now? Do you have any crahsdumps saved? First one is most interesting one...

Re: [zfs-discuss] zpool import hangs indefinitely (retry post in parts; too long?)

2010-07-02 Thread Victor Latushkin
On Jul 1, 2010, at 10:28 AM, Andrew Jones wrote: Victor, I've reproduced the crash and have vmdump.0 and dump device files. How do I query the stack on crash for your analysis? What other analysis should I provide? Output of 'echo ::threadlist -v | mdb 0' can be a good start in this

Re: [zfs-discuss] Kernel Panic on zpool clean

2010-06-30 Thread Victor Latushkin
On Jun 30, 2010, at 10:48 AM, George wrote: I suggest you to try running 'zdb -bcsv storage2' and show the result. r...@crypt:/tmp# zdb -bcsv storage2 zdb: can't open storage2: No such device or address then I tried r...@crypt:/tmp# zdb -ebcsv storage2 zdb: can't open storage2: File

Re: [zfs-discuss] zpool import hangs indefinitely (retry post in parts; too long?)

2010-06-29 Thread Victor Latushkin
On Jun 29, 2010, at 8:30 PM, Andrew Jones wrote: Victor, The 'zpool import -f -F tank' failed at some point last night. The box was completely hung this morning; no core dump, no ability to SSH into the box to diagnose the problem. I had no choice but to reset, as I had no diagnostic

Re: [zfs-discuss] Kernel Panic on zpool clean

2010-06-29 Thread Victor Latushkin
On Jun 29, 2010, at 1:30 AM, George wrote: I've attached the output of those commands. The machine is a v20z if that makes any difference. Stack trace is similar to one bug that I do not recall right now, and it indicates that there's likely a corruption in ZFS metadata. I suggest you to

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

2010-06-28 Thread Victor Latushkin
On 28.06.10 16:16, Gabriele Bulfon wrote: Yes...they're still running...but being aware that a power failure causing an unexpected poweroff may make the pool unreadable is a pain Pool integrity is not affected by this issue. ___ zfs-discuss

Re: [zfs-discuss] zpool import hangs indefinitely (retry post in parts; too long?)

2010-06-28 Thread Victor Latushkin
On Jun 28, 2010, at 9:32 PM, Andrew Jones wrote: Update: have given up on the zdb write mode repair effort, as least for now. Hoping for any guidance / direction anyone's willing to offer... Re-running 'zpool import -F -f tank' with some stack trace debug, as suggested in similar threads

Re: [zfs-discuss] Kernel Panic on zpool clean

2010-06-28 Thread Victor Latushkin
On Jun 28, 2010, at 11:27 PM, George wrote: I've tried removing the spare and putting back the faulty drive to give: pool: storage2 state: FAULTED status: An intent log record could not be read. Waiting for adminstrator intervention to fix the faulted pool. action: Either restore

Re: [zfs-discuss] slog / log recovery is here!

2010-06-04 Thread Victor Latushkin
On Jun 4, 2010, at 5:01 PM, Sigbjørn Lie wrote: R. Eulenberg wrote: Sorry for reviving this old thread. I even have this problem on my (productive) backup server. I lost my system-hdd and my separate ZIL-device while the system crashs and now I'm in trouble. The old system was running

Re: [zfs-discuss] ZFS recovery tools

2010-06-04 Thread Victor Latushkin
On Jun 4, 2010, at 10:18 PM, Miles Nordin wrote: sl == Sigbjørn Lie sigbj...@nixtra.com writes: sl Excellent! I wish I would have known about these features when sl I was attempting to recover my pool using 2009.06/snv111. the OP tried the -F feature. It doesn't work after you've

Re: [zfs-discuss] Deduplication and ISO files

2010-06-04 Thread Victor Latushkin
On 05.06.10 00:10, Ray Van Dolson wrote: On Fri, Jun 04, 2010 at 01:03:32PM -0700, Brandon High wrote: On Fri, Jun 4, 2010 at 12:37 PM, Ray Van Dolson rvandol...@esri.com wrote: Makes sense. So, as someone else suggested, decreasing my block size may improve the deduplication ratio. It

Re: [zfs-discuss] one more time: pool size changes

2010-06-03 Thread Victor Latushkin
On Jun 3, 2010, at 3:16 AM, Erik Trimble wrote: Expanding a RAIDZ (which, really, is the only thing that can't do right now, w/r/t adding disks) requires the Block Pointer (BP) Rewrite functionality before it can get implemented. Strictly speaking BP rewrite is not required to expand a

Re: [zfs-discuss] zpool status output confusion

2010-05-27 Thread Victor Latushkin
On May 27, 2010, at 12:37 PM, Per Jorgensen wrote: I get the following output when i run a zpool status , but i am a little confused of why c9t8d0 is more left align then the rest of the disks in the pool , what does it mean ? It means that is is another top-level vdev in your pool.

Re: [zfs-discuss] can you recover a pool if you lose the zil (b134+)

2010-05-17 Thread Victor Latushkin
On May 17, 2010, at 5:29 PM, Edward Ned Harvey wrote: From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss- boun...@opensolaris.org] On Behalf Of Geoff Nordli I was messing around with a ramdisk on a pool and I forgot to remove it before I shut down the server. Now I am not able

Re: [zfs-discuss] Pool import with failed ZIL device now possible ?

2010-05-04 Thread Victor Latushkin
On May 4, 2010, at 2:02 PM, Robert Milkowski wrote: On 16/02/2010 21:54, Jeff Bonwick wrote: People used fastfs for years in specific environments (hopefully understanding the risks), and disabling the ZIL is safer than fastfs. Seems like it would be a useful ZFS dataset parameter. We

Re: [zfs-discuss] zpool mirror (dumb question)

2010-05-02 Thread Victor Latushkin
On May 2, 2010, at 8:47 AM, Steve Staples wrote: Hi there! I am new to the list, and to OpenSolaris, as well as ZPS. I am creating a zpool/zfs to use on my NAS server, and basically I want some redundancy for my files/media. What I am looking to do, is get a bunch of 2TB drives, and

Re: [zfs-discuss] ZFS: Cannot replace a replacing drive

2010-05-01 Thread Victor Latushkin
On Apr 29, 2010, at 2:20 AM, Freddie Cash wrote: On Wed, Apr 28, 2010 at 2:48 PM, Victor Latushkin victor.latush...@sun.com wrote: 2. Run 'zdb -ddd storage' and provide section titles Dirty Time Logs See attached. So you really do have enough redundancy to be able to handle

Re: [zfs-discuss] ZFS: Cannot replace a replacing drive

2010-04-28 Thread Victor Latushkin
On Apr 28, 2010, at 8:00 PM, Freddie Cash wrote: Looks like I've hit this bug: http://bugs.opensolaris.org/view_bug.do?bug_id=6782540 However, none of the workaround listed in that bug, or any of the related bugs, works. :( Going through the zfs-discuss and freebsd-fs archives, I see

Re: [zfs-discuss] Mapping inode numbers to file names

2010-04-28 Thread Victor Latushkin
On Apr 29, 2010, at 3:03 AM, Edward Ned Harvey wrote: From: Ragnar Sundblad [mailto:ra...@csc.kth.se] Sent: Wednesday, April 28, 2010 3:49 PM What indicators do you have that ONTAP/WAFL has inode-name lookup functionality? I don't have any such indicator, and if that's the way my words

Re: [zfs-discuss] b134 panic in ddt_sync_entry()

2010-04-13 Thread Victor Latushkin
On Apr 13, 2010, at 9:52 PM, Cyril Plisko wrote: Hello ! I've had a laptop that crashed a number of times during last 24 hours with this stack: panic[cpu0]/thread=ff0007ab0c60: assertion failed: ddt_object_update(ddt, ntype, nclass, dde, tx) == 0, file: ../../common/fs/zfs/ddt.c,

Re: [zfs-discuss] Why would zfs have too many errors when underlying raid array is fine?

2010-04-13 Thread Victor Latushkin
On Apr 14, 2010, at 2:42 AM, Ragnar Sundblad wrote: On 12 apr 2010, at 19.10, Kyle McDonald wrote: On 4/12/2010 9:10 AM, Willard Korfhage wrote: I upgraded to the latest firmware. When I rebooted the machine, the pool was back, with no errors. I was surprised. I will work with it

Re: [zfs-discuss] Cannot replace a replacing device

2010-03-28 Thread Victor Latushkin
On Mar 29, 2010, at 1:57 AM, Jim wrote: Yes - but it does nothing. The drive remains FAULTED. Try to detach one of the failed devices: zpool detach tank 4407623704004485413 ___ zfs-discuss mailing list zfs-discuss@opensolaris.org

Re: [zfs-discuss] b134 - Mirrored rpool won't boot unless both mirrors are present

2010-03-27 Thread Victor Latushkin
This problem is known an fixed in later builds: http://bugs.opensolaris.org/bugdatabase/view_bug.do?bug_id=6923585 AFAIK it is going to be included into b134a as well Sent from my iPhone On Mar 27, 2010, at 22:26, Russ Price rjp_...@fubegra.net wrote: I have two 500 GB drives on my system

Re: [zfs-discuss] RAID10

2010-03-26 Thread Victor Latushkin
On Mar 26, 2010, at 23:37, David Dyer-Bennet d...@dd-b.net wrote: On Fri, March 26, 2010 14:25, Malte Schirmacher wrote: Bob Friesenhahn wrote: Except that ZFS does not support RAID0. I don't know why you guys persist with these absurd claims and continue to use wrong and misleading

Re: [zfs-discuss] RAIDZ2 configuration

2010-03-25 Thread Victor Latushkin
On Mar 25, 2010, at 22:10, Freddie Cash fjwc...@gmail.com wrote: On Thu, Mar 25, 2010 at 11:47 AM, Bruno Sousa bso...@epinfante.com wrote: What do you mean by Using fewer than 4 disks in a raidz2 defeats the purpose of raidz2, as you will always be in a degraded mode ? Does it means that

Re: [zfs-discuss] (FreeBSD) ZFS RAID: Disk fails while replacing another disk

2010-03-09 Thread Victor Latushkin
Christian Hessmann wrote: Victor, Btw, they affect some files referenced by snapshots as 'zpool status -v' suggests: tank/DVD:0x9cd tank/d...@2010025100:/Memento.m4v tank/d...@2010025100:/Payback.m4v tank/d...@2010025100:/TheManWhoWasntThere.m4v In case of OpenSolaris it is

Re: [zfs-discuss] (FreeBSD) ZFS RAID: Disk fails while replacing another disk

2010-03-05 Thread Victor Latushkin
Mark J Musante wrote: It looks like you're running into a DTL issue. ZFS believes that ad16p2 has some data on it that hasn't been copied off yet, and it's not considering the fact that it's part of a raidz group and ad4p2. There is a CR on this,

Re: [zfs-discuss] Help with corrupted pool

2010-02-18 Thread Victor Latushkin
Ethan wrote: So, current plan: - export the pool. - format c9t1d0 to have one slice being the entire disk. - import. should be degraded, missing c9t1d0p0. - replace missing c9t1d0p0 with c9t1d0 (should this be c9t1d0s0? my understanding is that zfs will treat the two about the same, since it

Re: [zfs-discuss] Help with corrupted pool

2010-02-18 Thread Victor Latushkin
Ethan wrote: On Thu, Feb 18, 2010 at 13:22, Victor Latushkin victor.latush...@sun.com mailto:victor.latush...@sun.com wrote: Ethan wrote: So, current plan: - export the pool. - format c9t1d0 to have one slice being the entire disk. - import. should

Re: [zfs-discuss] zfs import fails even though all disks are online

2010-02-13 Thread Victor Latushkin
Mark J Musante wrote: On Thu, 11 Feb 2010, Cindy Swearingen wrote: On 02/11/10 04:01, Marc Friesacher wrote: fr...@vault:~# zpool import pool: zedpool id: 10232199590840258590 state: ONLINE action: The pool can be imported using its name or numeric identifier. config: zedpool

Re: [zfs-discuss] zfs send/receive : panic and reboot

2010-02-08 Thread Victor Latushkin
Lori Alt wrote: Can you please send a complete list of the actions taken: The commands you used to create the send stream, the commands used to receive the stream. Also the output of `zfs list -t all` on both the sending and receiving sides. If you were able to collect a core dump (it

Re: [zfs-discuss] Unavailable device

2010-01-20 Thread Victor Latushkin
John wrote: I was able to solve it, but it actually worried me more than anything. Basically, I had created the second pool using the mirror as a primary device. So three disks but two full disk root mirrors. Shouldn't zpool have detected an active pool and prevented this? The other LDOM was

Re: [zfs-discuss] Is the disk a member of a zpool?

2010-01-15 Thread Victor Latushkin
Lutz Schumann wrote: The on Disk Layout is shown here: http://hub.opensolaris.org/bin/download/Community+Group+zfs/docs/ondiskformat0822.pdf You can use the name value pairs in the vdev label. ( I guess). Unfortunately I do not know any scripts. you can try zdb -l /dev/rdsk/cXtYdZs0

Re: [zfs-discuss] (snv_129, snv_130) can't import zfs pool

2010-01-15 Thread Victor Latushkin
LevT wrote: switched to another system, RAM 4Gb - 16Gb the importing process lasts about 18hrs now the system is responsive if developers want it I may provide ssh access I have no critical data there, it is an acceptance test only If it is still relevant, feel free to contact me offline to

Re: [zfs-discuss] Recovering a broken mirror

2010-01-13 Thread Victor Latushkin
Jim Sloey wrote: We have a production SunFireV240 that had a zfs mirror until this week. One of the drives (c1t3d0) in the mirror failed. The system was shutdown and the bad disk replaced without an export. I don't know what happened next but by the time I got involved there was no evidence

Re: [zfs-discuss] corrupted error after zpool scrub

2010-01-07 Thread Victor Latushkin
On Jan 7, 2010, at 23:47, Cindy Swearingen cindy.swearin...@sun.com wrote: Hi Gunther, Are these external USB disks? You could determine what disk problems caused the errors by using the fmdump -eV output. From your output, the scrub is still in progress so maybe these errors will clear

Re: [zfs-discuss] zpool FAULTED after power outage

2009-12-21 Thread Victor Latushkin
JD Trout wrote: Hello, I am running OpenSol 2009.06 and after a power outage opsensol will no longer boot past GRUB. Booting from the liveCD shows me the following: r...@opensolaris:~# zpool import -f rpool cannot import 'rpool': I/O error r...@opensolaris:~# zpool import -f pool: rpool

Re: [zfs-discuss] ZFS pool unusable after attempting to destroy a dataset with dedup enabled

2009-12-17 Thread Victor Latushkin
a savecore right as the system starts to go unresponsive. I'll post the script I'll be running here shortly after I write it. Also, as far as using 'sync' Im not sure what exactly I would do there. -- -- Victor Latushkin phone: x11467 / +74959370467 TSC-Kernel EMEA

Re: [zfs-discuss] new zpool-rpool process ?

2009-12-16 Thread Victor Latushkin
On 16.12.09 16:03, Detlef Drewanz wrote: I just realized that with b129 there are now for each existing zpool a system process is running now, e.g. zpool-rpool with pid 5. What is the purpose of this process ? Please read this ARC case materials: System Duty Cycle Scheduling Class and ZFS IO

Re: [zfs-discuss] ZIL corrupt, not recoverable even with logfix

2009-12-14 Thread Victor Latushkin
On Dec 4, 2009, at 9:33, James Risner r...@akira.stdio.com wrote: It was created on AMD64 FreeBSD with 8.0RC2 (which was version 13 of ZFS iirc.) At some point I knocked it out (export) somehow, I don't remember doing so intentionally. So I can't do commands like zpool replace since

Re: [zfs-discuss] ZFS pool unusable after attempting to destroy a dataset with dedup enabled

2009-12-14 Thread Victor Latushkin
On Dec 15, 2009, at 5:50, Jack Kielsmeier jac...@netins.net wrote: Thanks. I've decided now to only post when: 1) I have my zfs pool back or 2) I give up I should note that there are periods of time where I can ping my server (rarely), but most of the time not. I have not been able to

Re: [zfs-discuss] Permanent errors on two files

2009-12-04 Thread Victor Latushkin
On Dec 5, 2009, at 0:52, Cindy Swearingen cindy.swearin...@sun.com wrote: Hi Gary, To answer your questions, the hardware read some data and ZFS detected a problem with the checksums in this dataset and reported this problem. ZFS can do this regardless of ZFS redundancy. I don't think a

Re: [zfs-discuss] dedupe question

2009-11-13 Thread Victor Latushkin
On 13.11.09 16:09, Ross wrote: Isn't dedupe in some ways the antithesis of setting copies 1? We go to a lot of trouble to create redundancy (n-way mirroring, raidz-n, copies=n, etc) to make things as robust as possible and then we reduce redundancy with dedupe and compression But are we

Re: [zfs-discuss] ls -l hang, process unkillable

2009-11-11 Thread Victor Latushkin
roland wrote: hello, one of my colleague has a problem with an application. the sysadmins, responsible for that server told him that it was the applications fault, but i think they are wrong, and so does he. from time to time, the app gets unkillable and when trying to list the contents of

Re: [zfs-discuss] dedupe is in

2009-11-02 Thread Victor Latushkin
David Magda wrote: Deduplication was committed last night by Mr. Bonwick: Log message: PSARC 2009/571 ZFS Deduplication Properties 6677093 zfs should have dedup capability http://mail.opensolaris.org/pipermail/onnv-notify/2009-November/010683.html And PSARC 2009/479 zpool recovery

Re: [zfs-discuss] dedupe is in

2009-11-02 Thread Victor Latushkin
On 02.11.09 18:38, Ross wrote: Double WOHOO! Thanks Victor! Thanks should go to Tim Haley, Jeff Bonwick and George Wilson ;-) ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] dedup question

2009-11-02 Thread Victor Latushkin
Enda O'Connor wrote: it works at a pool wide level with the ability to exclude at a dataset level, or the converse, if set to off at top level dataset can then set lower level datasets to on, ie one can include and exclude depending on the datasets contents. so largefile will get deduped in

Re: [zfs-discuss] dedup question

2009-11-02 Thread Victor Latushkin
Jeremy Kitchen wrote: On Nov 2, 2009, at 9:07 AM, Victor Latushkin wrote: Enda O'Connor wrote: it works at a pool wide level with the ability to exclude at a dataset level, or the converse, if set to off at top level dataset can then set lower level datasets to on, ie one can include

Re: [zfs-discuss] Kernel panic on zfs import

2009-10-31 Thread Victor Latushkin
Donald Murray, P.Eng. wrote: Hi, I've got an OpenSolaris 2009.06 box that will reliably panic whenever I try to import one of my pools. What's the best practice for recovering (before I resort to nuking the pool and restoring from backup)? Could you please post panic stack backtrace? There

Re: [zfs-discuss] Difficulty testing an SSD as a ZIL

2009-10-30 Thread Victor Latushkin
On 30.10.09 02:13, Scott Meilicke wrote: Hi all, I received my SSD, and wanted to test it out using fake zpools with files as backing stores before attaching it to my production pool. However, when I exported the test pool and imported, I get an error. Here is what I did: I created a file to

Re: [zfs-discuss] Retrieve per-block checksum algorithm

2009-10-26 Thread Victor Latushkin
On 26.10.09 14:25, Stathis Kamperis wrote: Greetings to everyone. I'm trying to retrieve the checksumming algorithm on a per-block basis with zdb(1M). I know it's supposed to be ran by Sun's support engineers only I take full responsibility for whatever damage I cause to my machine by using

Re: [zfs-discuss] cannot import 'rpool': one or more devices is currently unavailable

2009-10-23 Thread Victor Latushkin
Tommy McNeely wrote: I have a system who's rpool has gone defunct. The rpool is made of a single disk which is a raid5EE made of all 8 146G disks on the box. The raid card is the Adaptec brand card. It was running nv_107, but its currently net booted to nv_121. I have already checked in the

Re: [zfs-discuss] importing pool with missing/failed log device

2009-10-22 Thread Victor Latushkin
On 21.10.09 23:23, Paul B. Henson wrote: I've had a case open for a while (SR #66210171) regarding the inability to import a pool whose log device failed while the pool was off line. I was told this was CR #6343667, CR 6343667 synopsis is scrub/resilver has to start over when a snapshot is

Re: [zfs-discuss] Exported zpool cannot be imported or deleted.

2009-10-21 Thread Victor Latushkin
Stacy Maydew wrote: I have an exported zpool that had several drives incur errors at the same time and as a result became unusable. The pool was exported at the time the drives had problems and now I can't find a way to either delete or import the pool. I've tried relabeling the disks and

Re: [zfs-discuss] Trouble testing hot spares

2009-10-21 Thread Victor Latushkin
On Oct 22, 2009, at 4:18, Ian Allison i...@pims.math.ca wrote: Hi, I've been looking at a raidz using opensolaris snv_111b and I've come across something I don't quite understand. I have 5 disks (fixed size disk images defined in virtualbox) in a raidz configuration, with 1 disk marked

Re: [zfs-discuss] kernel panic on zpool import

2009-10-16 Thread Victor Latushkin
Marc Althoff wrote: We have the same problem since of today. The pool was to be renamed width zpool export, after an import it didn't come back online. A import -f results in a kernel panic. zpool status -v freports a degraded drive also. I'll also try to supply som,e traces and logs.

Re: [zfs-discuss] kernel panic on zpool import

2009-10-12 Thread Victor Latushkin
On 11.10.09 12:59, Darren Taylor wrote: I have searched the forums and google wide, but cannot find a fix for the issue I'm currently experiencing. Long story short - I'm now at a point where I cannot even import my zpool (zpool import -f tank) without causing a kernel panic I'm running

Re: [zfs-discuss] Does ZFS work with SAN-attached devices?

2009-10-10 Thread Victor Latushkin
Erik Trimble wrote: ZFS no longer has the issue where loss of a single device (even intermittently) causes pool corruption. That's been fixed. Erik, it does not help at all when you are talking about some issue being fixed and does not provide corresponding CR number. It does not allow

Re: [zfs-discuss] What does 128-bit mean

2009-10-07 Thread Victor Latushkin
On 23.09.09 05:57, Shu Wu wrote: Hi pals, I'm now looking into zfs source and have been puzzled about 128-bit. It's announced that ZFS is an 128-bit file system. But what does 128-bit mean? Does that mean the addressing capability is 2^128? But in the source, 'zp_size' (in 'struct

Re: [zfs-discuss] raidz failure, trying to recover

2009-10-05 Thread Victor Latushkin
Victor Latushkin wrote: Liam Slusser wrote: Long story short, my cat jumped on my server at my house crashing two drives at the same time. It was a 7 drive raidz (next time ill do raidz2). Long story short - we've been able to get access to data in the pool. This involved finding better

Re: [zfs-discuss] Best way to convert checksums

2009-10-05 Thread Victor Latushkin
On 05.10.09 23:07, Miles Nordin wrote: re == Richard Elling richard.ell...@gmail.com writes: re As I said before, if the checksum matches, then the data is re checked for sequence number = previous + 1, the blk_birth == re 0, and the size is correct. Since this data lives inside

Re: [zfs-discuss] Unable to import pool: invalid vdev configuration

2009-10-02 Thread Victor Latushkin
Osvald Ivarsson wrote: On Thu, Oct 1, 2009 at 7:40 PM, Victor Latushkin victor.latush...@sun.com wrote: On 01.10.09 17:54, Osvald Ivarsson wrote: I'm running OpenSolaris build svn_101b. I have 3 SATA disks connected to my motherboard. The raid, a raidz, which is called rescamp, has worked good

Re: [zfs-discuss] Unable to import pool: invalid vdev configuration

2009-10-02 Thread Victor Latushkin
Osvald Ivarsson wrote: On Fri, Oct 2, 2009 at 2:36 PM, Victor Latushkin victor.latush...@sun.com wrote: Osvald Ivarsson wrote: On Thu, Oct 1, 2009 at 7:40 PM, Victor Latushkin victor.latush...@sun.com wrote: On 01.10.09 17:54, Osvald Ivarsson wrote: I'm running OpenSolaris build svn_101b. I

Re: [zfs-discuss] Unable to import pool: invalid vdev configuration

2009-10-01 Thread Victor Latushkin
On 01.10.09 17:54, Osvald Ivarsson wrote: I'm running OpenSolaris build svn_101b. I have 3 SATA disks connected to my motherboard. The raid, a raidz, which is called rescamp, has worked good before until a power failure yesterday. I'm now unable to import the pool. I can't export the raid,

Re: [zfs-discuss] ZFS : unable to mount a pool

2009-09-30 Thread Victor Latushkin
On 30.09.09 14:30, Nicolas Szalay wrote: Le mercredi 30 septembre 2009 à 11:43 +0200, Nicolas Szalay a écrit : Hello all, I have a critical ZFS problem, quick history [snip] little addition : zdb -l /dev/rdsk/c7t0d0 sees the metadatas What does zdb -l /dev/rds/c7t0d0s0 show? Victor

Re: [zfs-discuss] Help importing pool with offline disk

2009-09-30 Thread Victor Latushkin
Carson Gaspar wrote: zpool online media c7t0d0 j...@opensolaris:~# zpool online media c7t0d0 cannot open 'media': no such pool Already tried that ;-) -- This message posted from opensolaris.org D'oh! Of course, I should have been paying attention to the fact that the pool wasn't imported.

Re: [zfs-discuss] Borked zpool, missing slog/zil

2009-09-28 Thread Victor Latushkin
___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss -- -- Victor Latushkin phone: x11467 / +74959370467 TSC-Kernel EMEAmobile: +78957693012 Sun Services, Moscow

Re: [zfs-discuss] Borked zpool, missing slog/zil

2009-09-28 Thread Victor Latushkin
-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss -- -- Victor Latushkin phone: x11467 / +74959370467 TSC-Kernel EMEAmobile: +78957693012 Sun Services, Moscow blog: http://blogs.sun.com/vlatushkin Sun Microsystems

Re: [zfs-discuss] zpool import hungs up forever...

2009-09-28 Thread Victor Latushkin
: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss-boun...@opensolaris.org] On Behalf Of Victor Latushkin Sent: 29. heinäkuuta 2009 14:05 To: Pavel Kovalenko Cc: zfs-discuss@opensolaris.org Subject: Re: [zfs-discuss] zpool import hungs up forever... On 29.07.09 14:42, Pavel Kovalenko wrote

Re: [zfs-discuss] extremely slow writes (with good reads)

2009-09-28 Thread Victor Latushkin
On 28.09.09 18:09, Paul Archer wrote: 8:30am, Paul Archer wrote: And the hits just keep coming... The resilver finished last night, so rebooted the box as I had just upgraded to the latest Dev build. Not only did the upgrade fail (love that instant rollback!), but now the zpool won't come

Re: [zfs-discuss] extremely slow writes (with good reads)

2009-09-28 Thread Victor Latushkin
Paul, Thanks for additional data, please see comments inline. Paul Archer wrote: 7:56pm, Victor Latushkin wrote: While 'zdb -l /dev/dsk/c7d0s0' shows normal labels. So the new question is: how do I tell ZFS to use c7d0s0 instead of c7d0? I can't do a 'zpool replace' because the zpool isn't

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