Re: [zfs-discuss] about btrfs and zfs

2011-10-18 Thread Cyril Plisko
On Tue, Oct 18, 2011 at 10:31 PM, Tim Cook wrote: > > > I had and have redundant storage, it has *NEVER* automatically fixed it. >  You're the first person I've heard that has had it automatically fix it. Well, here comes another person - I have ZFS automatically fixing corrupted data on a number

Re: [zfs-discuss] Available space confusion

2011-06-06 Thread Cyril Plisko
On Mon, Jun 6, 2011 at 3:39 PM, Johan Eliasson wrote: > I recently created a raidz of four 2TB-disks and moved a bunch of movies onto > them. > And then I noticed that I've somehow lost a full TB of space. Why? zpool reports space usage on disks, without taking into account RAIDZ overhead. zfs r

Re: [zfs-discuss] Compress ratio???

2010-08-14 Thread Cyril Plisko
On Sat, Aug 14, 2010 at 6:32 AM, Edward Ned Harvey wrote: > I'm confused.  I have compression enabled on a ZFS filesystem, which > contains for all intents and purposes, just a single 20G file, and I see ... > > # ls -lh somefile > > -rw---   1 root root     20G Aug 13 17:41 somefile >

Re: [zfs-discuss] Compellant announces zNAS

2010-04-28 Thread Cyril Plisko
2010/4/29 Thommy M. Malmström : > What operating system does it run? Nexenta I believe. -- Regards, Cyril ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

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

2010-04-14 Thread Cyril Plisko
On Wed, Apr 14, 2010 at 3:01 AM, Victor Latushkin wrote: > > 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[

[zfs-discuss] b134 panic in ddt_sync_entry()

2010-04-13 Thread Cyril Plisko
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, line: 968 ff0007ab09a0 genunix:assfail+7e () ff0007

Re: [zfs-discuss] Adaptec AAC driver

2010-03-29 Thread Cyril Plisko
...how can i remove the driver from my environment. beadm create newbe beadm mount newbe /newbe pkg -R /newbe uninstall aac beadm umount newbe beadm activate newbe reboot A bit long, but you ultimately gives you fully recoverable setup in case something goes south. > > Thanks in advance,

Re: [zfs-discuss] Adaptec AAC driver

2010-03-29 Thread Cyril Plisko
On Mon, Mar 29, 2010 at 4:25 PM, Bruno Sousa wrote: > Hello all, > > Currently i'm evaluating a system with an Adaptec 52445 Raid HBA, and > the driver supplied by Opensolaris doesn't support JBOD drives. > I'm running snv_134 but when i try to do uninstall the SUNWacc driver i > have the followin

Re: [zfs-discuss] snapshots as versioning tool

2010-03-23 Thread Cyril Plisko
On Tue, Mar 23, 2010 at 11:09 PM, Harry Putnam wrote: > Matt Cowger writes: > >> zfs list | grep '@' >> >> zpool/f...@1154758                            324G      -   461G  - >> zpool/f...@1208482                           6.94G      -   338G  - >> zpool/f...@daily.netbackup                   1.0

Re: [zfs-discuss] device mixed-up while tying to import.

2010-02-28 Thread Cyril Plisko
On Sun, Feb 28, 2010 at 2:06 PM, Yariv Graf wrote: > Hi, > Thanks for the reply. > I can arrange the lost SSD buy I already formatted it. > Second, even the external HDD is for instance /dev/rdsk/c16t0d0, when I try > to debug using zdb > It shows me another “path”: > path='/dev/dsk/c11t0d0s0' >

Re: [zfs-discuss] zfs fast mirror resync?

2010-01-13 Thread Cyril Plisko
On Wed, Jan 13, 2010 at 4:35 PM, Max Levine wrote: > Veritas has this feature called fast mirror resync where they have  a > DRL on each side of the mirror and, detaching/re-attaching a mirror > causes only the changed bits to be re-synced. Is anything similar > planned for ZFS? ZFS has that feat

Re: [zfs-discuss] ZFS shareiscsi and Comstar

2010-01-13 Thread Cyril Plisko
On Wed, Jan 13, 2010 at 1:03 PM, Matthew Hollick wrote: > > Is the intent to move away from iscsitgt? Yes. [1] > Can I change some configuration somewhere to specify which iscsi target > service to use? No. In fact the cited ARC case obsoletes the shareiscsi property altogether. [1] http://

Re: [zfs-discuss] How to destroy your system in funny way with ZFS

2009-12-27 Thread Cyril Plisko
On Sun, Dec 27, 2009 at 11:25 AM, Tomas Bodzar wrote: > Hi all, > > I installed another OpenSolaris (snv_129) in VirtualBox 3.1.0 on Windows > because snv_130 doesn't boot anymore after installation of VirtualBox guest > additions. Older builds before snv_129 were running fine too. I like some

Re: [zfs-discuss] iSCSI with Deduplication, is there any point?

2009-12-20 Thread Cyril Plisko
On Sun, Dec 20, 2009 at 9:24 PM, Chris Scerbo wrote: > Cool thx, sounds like exactly what I'm looking for. > > I did a bit of reading on the subject and to my understanding I should... > Create a volume of a size as large as I could possibly need.  So, siding on > the optimistic, "zfs create -s -

Re: [zfs-discuss] How do I determine dedupe effectiveness?

2009-12-17 Thread Cyril Plisko
On Thu, Dec 17, 2009 at 8:57 PM, Stacy Maydew wrote: > I'm trying to see if zfs dedupe is effective on our datasets, but I'm having > a hard time figuring out how to measure the space saved. > > When I sent one backup set to the filesystem, the usage reported by "zfs > list" and "zfs get used "

Re: [zfs-discuss] Troubleshooting dedup performance

2009-12-16 Thread Cyril Plisko
>> I've set dedup to what I believe are the least resource-intensive >> settings - "checksum=fletcher4" on the pool, & "dedup=on" rather than > > I believe checksum=fletcher4 is acceptable in dedup=verify mode only. > What you're doing is seemingly deduplication with weak checksum w/o > verificatio

Re: [zfs-discuss] dedup existing data

2009-12-16 Thread Cyril Plisko
On Wed, Dec 16, 2009 at 3:32 PM, Darren J Moffat wrote: > Steven Sim wrote: >> >> Hello; >> >> How do we dedup existing data? > > Currently by running a zfs send | zfs recv. > >> Will a ZFS send to an output file in a temporary staging area in the same >> pool and a subsequent reconstruct (zfs rec

Re: [zfs-discuss] DeDup and Compression - Reverse Order?

2009-12-14 Thread Cyril Plisko
On Mon, Dec 14, 2009 at 9:32 PM, Andrey Kuzmin wrote: > > Right, but 'verify' seems to be 'extreme safety' and thus rather rare > use case. Hmm, dunno. I wouldn't set anything, but scratch file system to dedup=on. Anything of even slight significance is set to dedup=verify. > Saving cycles lost

Re: [zfs-discuss] will deduplication know about old blocks?

2009-12-10 Thread Cyril Plisko
>> >> BTW, are there any implications of having dedup=on on rpool/dump ? I >> know that the compression is turned off explicitly for rpool/dump. > > It will be ignored because when you write to the dump ZVOL it doesn't go > through the normal ZIO pipeline so the deduplication code is never run in >

Re: [zfs-discuss] will deduplication know about old blocks?

2009-12-09 Thread Cyril Plisko
On Thu, Dec 10, 2009 at 12:37 AM, James Lever wrote: > > On 10/12/2009, at 5:36 AM, Adam Leventhal wrote: > >> The dedup property applies to all writes so the settings for the pool of >> origin don't matter, just those on the destination pool. > > Just a quick related question I’ve not seen answe

Re: [zfs-discuss] ZFS dedup issue

2009-11-03 Thread Cyril Plisko
>>> I think I'm observing the same (with changeset 10936) ... >> >>   # mkfile 2g /var/tmp/tank.img >>   # zpool create tank /var/tmp/tank.img >>   # zfs set dedup=on tank >>   # zfs create tank/foobar > > This has to do with the fact that dedup space accounting is charged to all > filesystems, reg

Re: [zfs-discuss] ZFS dedup accounting & reservations

2009-11-03 Thread Cyril Plisko
On Tue, Nov 3, 2009 at 10:54 PM, Nils Goroll wrote: > Now to the more general question: If all datasets of a pool contained the > same data and got de-duped, the sums of their "used" space still seems to be > limited by the "locical" pool size, as we've seen in examples given by > Jürgen and other

Re: [zfs-discuss] dedup question

2009-11-02 Thread Cyril Plisko
On Mon, Nov 2, 2009 at 9:01 PM, Jeremy Kitchen wrote: > > forgive my ignorance, but what's the advantage of this new dedup over the > existing compression option?  Wouldn't full-filesystem compression naturally > de-dupe? No, the compression works on the block level. If there are two identical bl

Re: [zfs-discuss] dedupe is in

2009-11-02 Thread Cyril Plisko
On Mon, Nov 2, 2009 at 2:25 PM, Alex Lam S.L. wrote: > Terrific! Can't wait to read the man pages / blogs about how to use it... Alex, you may wish to check PSARC 2009/571 materials [1] for a sneak preview :) [1] http://arc.opensolaris.org/caselog/PSARC/2009/571/ > > Alex. > > On Mon, Nov 2, 2

Re: [zfs-discuss] zfs inotify?

2009-10-25 Thread Cyril Plisko
On Sun, Oct 25, 2009 at 4:16 PM, Paul Archer wrote: > OK, so this may be a little off-topic, but here goes: > The reason I switched to OpenSolaris was primarily to take advantage of > ZFS's features when storing my digital imaging collection. > > I switched from a pretty stock Linux setup, but it

[zfs-discuss] Interesting performance comparison

2009-10-15 Thread Cyril Plisko
Hello ! There is an interesting performance comparison of three popular operating systems [1], I thought it could be of interest for people hanging on this list. These guys used their tool FlexTk as a benchmark engine, which is not a benchmark tool per se, but still provides an interesting data.

Re: [zfs-discuss] KCA ZFS keynote available

2009-09-30 Thread Cyril Plisko
On Tue, Sep 29, 2009 at 11:46 PM, Cyril Plisko wrote: > On Tue, Sep 29, 2009 at 11:12 PM, Henrik Johansson wrote: >> Hello everybody, >> The KCA ZFS keynote by Jeff and Bill seems to be available online now: >> http://blogs.sun.com/video/entry/kernel_conference_australia_2

Re: [zfs-discuss] KCA ZFS keynote available

2009-09-29 Thread Cyril Plisko
On Tue, Sep 29, 2009 at 11:12 PM, Henrik Johansson wrote: > Hello everybody, > The KCA ZFS keynote by Jeff and Bill seems to be available online now: > http://blogs.sun.com/video/entry/kernel_conference_australia_2009_jeff > It should probably be mentioned here, i might have missed it. Funny voic

Re: [zfs-discuss] deduplication

2009-09-16 Thread Cyril Plisko
2009/9/17 Brandon High : > 2009/9/11 "C. Bergström" : >> Can we make a FAQ on this somewhere? >> >> 1) There is some legal bla bla between Sun and green-bytes that's tying up >> the IP around dedup... (someone knock some sense into green-bytes please) >> 2) there's an acquisition that's got all sor

Re: [zfs-discuss] libzfs API: sharenfs, sharesmb, shareiscsi, $custom ?

2009-08-16 Thread Cyril Plisko
Jorgen, > As the developer of software that exports data/shares like that of NFS and > Samba. (HTTP/UPnP export, written in C) I am curious if the libzfs API is > flexible enough for me to create my own file-system attributes, similar to > that of "sharenfs" and obtain this information in my soft

Re: [zfs-discuss] *Almost* empty ZFS filesystem - 14GB?

2009-08-16 Thread Cyril Plisko
On Mon, Aug 17, 2009 at 12:31 AM, Dennis Clarke wrote: > >> Chris Murray wrote: >>> Accidentally posted the below earlier against ZFS Code, rather than ZFS >>> Discuss. >>> >>> My ESXi box now uses ZFS filesystems which have been shared over NFS. >>> Spotted something odd this afternoon - a filesys

Re: [zfs-discuss] the antithesis of zfs

2009-08-13 Thread Cyril Plisko
On Thu, Aug 13, 2009 at 12:23 PM, Darren J Moffat wrote: > russell aspinwall wrote: >> >> Are tools necessary to ensure that deleted ZFS pools can not be recovered >> or that deleted filesystems are really deleted? > > dd if=/dev/zero over the disks, or use format(1M) analyze -> purge. > > For just

Re: [zfs-discuss] Shrinking a zpool?

2009-08-06 Thread Cyril Plisko
> > It is unfortunately a very difficult problem, and will take some time to > solve even with the application of all possible resources (including the > majority of my time).  We are updating CR 4852783 at least once a month with > progress reports. Matt, should these progress reports be visible

Re: [zfs-discuss] crossmnt ?

2009-08-01 Thread Cyril Plisko
On Fri, Jul 31, 2009 at 12:46 AM, roland wrote: > Hello ! > > How can i export a filesystem /export1 so that sub-filesystems within that > filesystems will be available and usable on the client side without > additional "mount/share effort" ? > > this is possible with linux nfsd and i wonder how

Re: [zfs-discuss] feature proposal

2009-07-30 Thread Cyril Plisko
On Thu, Jul 30, 2009 at 11:33 AM, Darren J Moffat wrote: > Roman V Shaposhnik wrote: >> >> On the read-only front: wouldn't it be cool to *not* run zfs sends >> explicitly but have: >>    .zfs/send/ >>    .zfs/sendr/- >> give you the same data automagically? >> On the read-write front: wouldn't it

Re: [zfs-discuss] deduplication

2009-07-13 Thread Cyril Plisko
Richard, > Also, we now know the market value for dedupe intellectual property: $2.1 > Billion. > Even though there may be open source, that does not mean there are not IP > barriers.  $2.1 Billion attracts a lot of lawyers :-( Indeed, good point. -- Regards, Cyril _

Re: [zfs-discuss] deduplication

2009-07-12 Thread Cyril Plisko
Hello James, > Hi Cyril, > I don't work with Jeff and Bill, and I cannot speak for them > about this. > > What I can say, however, is that "open source" does not always > equate to requiring "open development". Indeed. However willingness to openly develop opensource project or lack of that of is

Re: [zfs-discuss] deduplication

2009-07-12 Thread Cyril Plisko
On Sun, Jul 12, 2009 at 12:57 PM, Andre van Eyssen wrote: > On Sun, 12 Jul 2009, Cyril Plisko wrote: > >> There is an ongoing speculations of what/when/how deduplication will >> be in ZFS and I am curious: what is the reason to keep the thing >> secret ? I always thought

Re: [zfs-discuss] deduplication

2009-07-12 Thread Cyril Plisko
On Sun, Jul 12, 2009 at 7:06 AM, James C. McPherson wrote: > Anil wrote: >> >> When it comes out, how will it work? >> >> Does it work at the pool level or a zfs file system level? If I >> create a zpool called 'zones' and then I create several zones >> underneath that, could I expect to see a lot

Re: [zfs-discuss] Changing GUID

2009-07-09 Thread Cyril Plisko
On Thu, Jul 9, 2009 at 8:42 PM, Norbert wrote: > Does anyone have the code/script to change the GUID of a ZFS pool? I did such tool for my client around a year ago and that client agreed to release the code. However, the API I've used is has been changed and not available anymore. So you cannot co

Re: [zfs-discuss] ZFS crashes on boot

2009-03-31 Thread Cyril Plisko
On Tue, Mar 31, 2009 at 11:01 PM, George Wilson wrote: > Cyril Plisko wrote: >> >> On Thu, Mar 26, 2009 at 8:45 PM, Richard Elling >> wrote: >> >>> >>> assertion failures are bugs. >>> >> >> Yup, I know that. >> >&

Re: [zfs-discuss] ZFS crashes on boot

2009-03-26 Thread Cyril Plisko
oped, may be wrongly, to hear something more concrete... Tough luck, I guess... > -- richard > > Cyril Plisko wrote: >> >> Hello ! >> >> I have a machine that started to panic on boot (see panic message >> below). It think it panics when it imports the pool (5 x 2

[zfs-discuss] ZFS crashes on boot

2009-03-26 Thread Cyril Plisko
Hello ! I have a machine that started to panic on boot (see panic message below). It think it panics when it imports the pool (5 x 2 mirror). Are there any ways to recover from that ? Some history info: that machine was upgraded a couple of days ago from snv78 to snv110. This morning zpool was up

Re: [zfs-discuss] [osol-discuss] zfs related google summer of code ideas - your vote

2009-03-07 Thread Cyril Plisko
On Wed, Mar 4, 2009 at 10:37 PM, Nicolas Williams wrote: > On Wed, Mar 04, 2009 at 02:16:53PM -0600, Wes Felter wrote: >> T10 UNMAP/thin provisioning support in zvols > > That's probably simple enough, and sufficiently valuable too. I evaluated such feature implementation in ZFS (at large, not on

Re: [zfs-discuss] separate home "partition"?

2009-01-13 Thread Cyril Plisko
On Tue, Jan 13, 2009 at 2:42 PM, Johan Hartzenberg wrote: > > > On Fri, Jan 9, 2009 at 11:51 AM, Johan Hartzenberg > wrote: >> >> >> I have this situation working and use my "shared" pool between Linux and >> Solaris. Note: The shared pool needs to reside on a whole physical disk or >> on a pri

Re: [zfs-discuss] how to convert ZFS formated disk back to traditional Sun disk ?

2009-01-05 Thread Cyril Plisko
On Mon, Jan 5, 2009 at 9:27 PM, Jianhua Yang wrote: > I'm newbie in ZFS, and have question: > > how to convert ZFS formated disk back to tradistional Sun disk ? format -e will let you choose between two types of label - EFI and SMI. ZFS uses EFI when you give the whole disk to it. SMI is a tra

Re: [zfs-discuss] Possible to switch SATA ports?

2008-12-24 Thread Cyril Plisko
On Wed, Dec 24, 2008 at 3:51 PM, Cyril Plisko wrote: > On Wed, Dec 24, 2008 at 2:50 PM, Orvar Korvar > wrote: >> I have a ZFS raid and wonder if it is possible to move the ZFS raid around >> from SATA port to another? Ive heard that someone assembled the SATA >> connect

Re: [zfs-discuss] Possible to switch SATA ports?

2008-12-24 Thread Cyril Plisko
On Wed, Dec 24, 2008 at 2:50 PM, Orvar Korvar wrote: > I have a ZFS raid and wonder if it is possible to move the ZFS raid around > from SATA port to another? Ive heard that someone assembled the SATA > connections differently and the ZFS raid wouldnt work. > > Say that I have 8 SATA port contro

Re: [zfs-discuss] add new disk to existing rpool

2008-12-21 Thread Cyril Plisko
On Sun, Dec 21, 2008 at 10:10 AM, iman habibi wrote: > Hello All > i want to add second disk to existing rpool with one disk. > but when i run this command it returns this error,,why? That's because your c0t8d0 disk has EFI label. with EFI label the largest partiotion you can create is slightly s

Re: [zfs-discuss] Hybrid Pools - Since when?

2008-12-15 Thread Cyril Plisko
> > The following versions are supported: > > VER DESCRIPTION > --- > 1 Initial ZFS version > 2 Ditto blocks (replicated metadata) > 3 Hot spares and double parity RAID-Z > 4 zpool history > 5 Compression using the gzip algor

Re: [zfs-discuss] SXCE, ZFS root, b101 -> b103, wierd zfs list ?

2008-12-09 Thread Cyril Plisko
On Wed, Dec 10, 2008 at 9:04 AM, Turanga Leela <[EMAIL PROTECTED]> wrote: > I've been playing with liveupgrade for the first time. (See > http://www.opensolaris.org/jive/thread.jspa?messageID=315231). I've at least > got a workaround for that issue. > > One strange thing i've noticed, however, is

Re: [zfs-discuss] problems with ludelete

2008-11-04 Thread Cyril Plisko
On Tue, Nov 4, 2008 at 7:24 PM, Hernan Freschi <[EMAIL PROTECTED]> wrote: > Hi, I'm not sure if this is the right place to ask. I'm having a little > trouble deleting old solaris installs: > > [EMAIL PROTECTED]:~]# lustatus > Boot Environment Is Active ActiveCanCopy > Name

Re: [zfs-discuss] Enable compression on ZFS root

2008-10-15 Thread Cyril Plisko
On Thu, Oct 16, 2008 at 12:24 AM, Vincent Fox <[EMAIL PROTECTED]> wrote: > Does it seem feasible/reasonable to enable compression on ZFS root disks > during JumpStart? Absolutely. I did it (compression=on) on all my machines - ranged from laptop to servers. Beware, though, that on oldish CPU it c

Re: [zfs-discuss] ZFS system requirements

2008-09-16 Thread Cyril Plisko
On Wed, Sep 17, 2008 at 6:06 AM, Erik Trimble <[EMAIL PROTECTED]> wrote: > Just one more things on this: > > Run with a 64-bit processor. Don't even think of using a 32-bit one - > there are known issues with ZFS not quite properly using 32-bit only > structures. That is, ZFS is really 64-bit clea

Re: [zfs-discuss] ZFS boot and LU

2008-08-27 Thread Cyril Plisko
On Wed, Aug 27, 2008 at 10:17 PM, Lori Alt <[EMAIL PROTECTED]> wrote: > Cyril Plisko wrote: > > The main problem is that this configuration of datasets didn't work: > > /ROOT/mounpoint=/ > /ROOT//zones mountpoint=/zones > /ROOT//zones/zonero

Re: [zfs-discuss] ZFS boot and LU

2008-08-27 Thread Cyril Plisko
On Wed, Aug 27, 2008 at 6:19 PM, Lori Alt <[EMAIL PROTECTED]> wrote: > mike wrote: > > On 8/26/08, Cyril Plisko <[EMAIL PROTECTED]> wrote: > > > > that's very interesting ! Can you share more info on what these > bugs/issues are ? Since it is LU re

Re: [zfs-discuss] ZFS boot and LU

2008-08-26 Thread Cyril Plisko
On Wed, Aug 27, 2008 at 2:33 AM, Lori Alt <[EMAIL PROTECTED]> wrote: > More or less. There are a number of bugs in LU > support of zfs that we've just fixed in the final builds > of the S10 Update 6 release, which we'll forward-port > to Nevada as soon as we catch our breath. Most but > not all a

Re: [zfs-discuss] Changing GUID

2008-07-02 Thread Cyril Plisko
On Wed, Jul 2, 2008 at 9:55 AM, Peter Pickford <[EMAIL PROTECTED]> wrote: > Hi, > > How difficult would it be to write some code to change the GUID of a pool? Not too difficult - I did it some time ago for a customer, who wanted it badly. I guess you are trying to import pools cloned by the storag

Re: [zfs-discuss] Get your SXCE on ZFS here!

2008-06-05 Thread Cyril Plisko
On Fri, Jun 6, 2008 at 7:54 AM, Vincent Fox <[EMAIL PROTECTED]> wrote: >> Umm, you do realise that changing swap size on a live >> system has been >> doab for years? "swap -a" is your friend. > > The swap -a not work so great on a single-disk system without a free > partition. Many times it was n

Re: [zfs-discuss] ZFS root compressed ?

2008-06-05 Thread Cyril Plisko
On Fri, Jun 6, 2008 at 2:58 AM, <[EMAIL PROTECTED]> wrote: > Bill Sommerfeld writes: >>> >>> 2. How can I do it ? (I think I can run "zfs set compression=on >>> rpool/ROOT/snv_90" in the other window, right after the installation >>> begins, but I would like less hacky way.) >> >> what I did was t

[zfs-discuss] ZFS root compressed ?

2008-06-05 Thread Cyril Plisko
Hi ! As, probably, many of us I am playing with snv_90 and ZFS root. During the installation I didn't see any possibility to set the properties of the datasets. In particular compression. I see that default installation leaves the compression property untouched for all the created datasets, with r

Re: [zfs-discuss] recovering data from a dettach mirrored vdev

2008-05-04 Thread Cyril Plisko
On Sun, May 4, 2008 at 11:42 AM, Jeff Bonwick <[EMAIL PROTECTED]> wrote: > Oh, and here's the source code, for the curious: > [snipped] > > label_write(fd, offsetof(vdev_label_t, vl_uberblock), > 1ULL << UBERBLOCK_SHIFT, ub); > > label_write(fd, offsetof(vdev_label_t,

Re: [zfs-discuss] Backup-ing up ZFS configurations

2008-03-25 Thread Cyril Plisko
On Tue, Mar 25, 2008 at 10:11 AM, Robert Milkowski <[EMAIL PROTECTED]> wrote: > Hello Cyril, > > Friday, March 21, 2008, 7:41:37 PM, you wrote: > > > CP> On Fri, Mar 21, 2008 at 8:53 PM, Mark A. Carlson <[EMAIL PROTECTED]> > wrote: > >> > >> It's more than a handy feature. You either have to

Re: [zfs-discuss] Backup-ing up ZFS configurations

2008-03-22 Thread Cyril Plisko
On Sat, Mar 22, 2008 at 4:36 PM, Sachin Palav <[EMAIL PROTECTED]> wrote: > Thanks everybody for the replyies.. appreciate all your help. > > Here is my understanding from all of the above: > 1. The Configuration of ZFS is on all ZFS disk , so incase of the disk > failure there is less chances to

Re: [zfs-discuss] Backup-ing up ZFS configurations

2008-03-21 Thread Cyril Plisko
On Fri, Mar 21, 2008 at 8:04 PM, Torrey McMahon <[EMAIL PROTECTED]> wrote: > I'm with you on the multipathing bit but that can easily be > sed/grep/awked to something different. However, I still think the > ability to dump the current config is beneficial. zpool history shows > you what was do

Re: [zfs-discuss] Backup-ing up ZFS configurations

2008-03-21 Thread Cyril Plisko
On Fri, Mar 21, 2008 at 8:53 PM, Mark A. Carlson <[EMAIL PROTECTED]> wrote: > > It's more than a handy feature. You either have to write down all > the ZFS configuration you do, or keep a separate log of it in order > to restore a backed up ZFS system to a bare metal replacement today. > > With

Re: [zfs-discuss] Backup-ing up ZFS configurations

2008-03-21 Thread Cyril Plisko
On Fri, Mar 21, 2008 at 6:53 PM, Torrey McMahon <[EMAIL PROTECTED]> wrote: > eric kustarz wrote: > > So even with the above, if you add a vdev, slog, or l2arc later on, > > that can be lost via the history being a ring buffer. There's a RFE > > for essentially taking your current 'zpool status'

Re: [zfs-discuss] Backup-ing up ZFS configurations

2008-03-20 Thread Cyril Plisko
uot;zpool history" will keep forever the zpool command that created the pool initially. And it can be easily copy/pasted somewhere else in order to be used as is or as a template for a similar configuration. > > -- mark > > > > Cyril Plisko wrote: > On Thu, Mar 20,

Re: [zfs-discuss] Backup-ing up ZFS configurations

2008-03-20 Thread Cyril Plisko
On Thu, Mar 20, 2008 at 7:52 PM, Sachin Palav <[EMAIL PROTECTED]> wrote: > Hello Friends > > Can someone please let me know how I can backup the ZFS configuration which > is stored on the operating system. The configuration of the ZFS pool is stored in the pool itself. That means that the pool i

Re: [zfs-discuss] Performance with Sun StorageTek 2540

2008-02-26 Thread Cyril Plisko
On Wed, Feb 27, 2008 at 6:17 AM, Bob Friesenhahn <[EMAIL PROTECTED]> wrote: > On Sun, 17 Feb 2008, Mertol Ozyoney wrote: > > > Hi Bob; > > > > When you have some spare time can you prepare a simple benchmark report in > > PDF that I can share with my customers to demonstrate the performance of

Re: [zfs-discuss] hardware for zfs home storage

2008-01-14 Thread Cyril Plisko
On Jan 14, 2008 7:02 PM, Scott Laird <[EMAIL PROTECTED]> wrote: > I have an Asus P5K WS motherboard with a cheap Core 2 Duo CPU (E2140, > $70 or so) and one of the cheap SuperMicro 8-port PCI-X SATA cards. I went for Celeron 420 (around $35) - with ZFS compression turned on it runs with ~ 80% idl

Re: [zfs-discuss] Intent Log removal

2007-11-12 Thread Cyril Plisko
:( > -neel > > > Cyril Plisko wrote: > > Hi ! > > > > I played recently with Gigabyte i-RAM card (which is basically an SSD) > > as a log device for a ZFS pool. However, when I tried to remove it - I need > > to give the card back - it refused to do so. It looks lik

[zfs-discuss] Intent Log removal

2007-11-12 Thread Cyril Plisko
Hi ! I played recently with Gigabyte i-RAM card (which is basically an SSD) as a log device for a ZFS pool. However, when I tried to remove it - I need to give the card back - it refused to do so. It looks like I am hitting 6574286 removing a slog doesn't work [1] Is there any workaround ? I rea

[zfs-discuss] Intel Entry Storage System SS4200-E

2007-10-25 Thread Cyril Plisko
Hey ! I just spotted that Intel' upcoming box "Helena Island"[0] With its 64bit capable Celeron 420 should be very good material for building ZFS box for home usage. [0] http://mswhs.com/2007/10/05/more-info-intel-entry-storage-system-ss4200-e/ -- Regards, Cyril ___

Re: [zfs-discuss] Need Help Choosing a Rackmount Chassis

2007-09-28 Thread Cyril Plisko
[Hit wrong reply button...] On 9/28/07, Blake <[EMAIL PROTECTED]> wrote: > I'm looking for a rackmount chassis for an x86 ZFS fileserver I wan to build > for my organization. > > Requirements: > > Hot-swap SATA disk support > Minimum of 4-disk SATA support (would prefer 6+) > Hot-swap power supply

[zfs-discuss] Nice chassis for ZFS server

2007-09-26 Thread Cyril Plisko
Hi, I just came across this box [0] (McKay Creek). Seems to be exceptional building material for ZFS based NAS/iSCSI unit. I especially liked the two extra system disks hidden inside the box ! Any one have an experience with these ? [0] http://www.intel.com/design/servers/storage/ssr212mc2 --

Re: [zfs-discuss] ZFS, XFS, and EXT4 compared

2007-08-29 Thread Cyril Plisko
Jeffrey, it would be interesting to see your zpool layout info as well. It can significantly influence the results obtained in the benchmarks. On 8/30/07, Jeffrey W. Baker <[EMAIL PROTECTED]> wrote: > I have a lot of people whispering "zfs" in my virtual ear these days, > and at the same time I

Re: [zfs-discuss] resizing a ZFS filesystem

2007-07-16 Thread Cyril Plisko
On 7/16/07, tayo <[EMAIL PROTECTED]> wrote: > Hi , > > Can one increase (or decrease ) a ZFS file system like the Veritas one > (vxresize)? > What is the command line syntax please ? > ..you can just make up an example .. > > for example in veritas : > "/etc/vx/bin/vxresize -x -F vxfs -g DG1 vol

Re: [zfs-discuss] Another zfs dataset [was: Plans for swapping to part of a pool]

2007-07-14 Thread Cyril Plisko
On 7/13/07, Darren J Moffat <[EMAIL PROTECTED]> wrote: > Mario Goebbels wrote: > >> While the original reason for this was swap, I have a sneaky suspicion > >> that others may wish for this as well, or perhaps something else. > >> Thoughts? (database folks, jump in :-) > > > > Lower overhead stora

Re: [zfs-discuss] Take Three: PSARC 2007/171 ZFS Separate Intent Log

2007-07-11 Thread Cyril Plisko
Neil, many thanks for publishing this doc - it is exactly what I was looking for ! On 7/9/07, Neil Perrin <[EMAIL PROTECTED]> wrote: > Er with attachment this time. > > > > So I've attached the accepted proposal. There was (as expected) not > > much discussion of this case as it was considered a

Re: [zfs-discuss] Take Three: PSARC 2007/171 ZFS Separate Intent Log

2007-07-07 Thread Cyril Plisko
On 7/7/07, Neil Perrin <[EMAIL PROTECTED]> wrote: > Cyril, > > I wrote this case and implemented the project. My problem was > that I didn't know what policy (if any) Sun has about publishing > ARC cases, and a mail log with a gazillion email addresses. > > I did receive an answer to this this in t

[zfs-discuss] Take Three: PSARC 2007/171 ZFS Separate Intent Log

2007-07-07 Thread Cyril Plisko
Hello, This is a third request to open the materials of the PSARC case 2007/171 ZFS Separate Intent Log I am not sure why two previous requests were completely ignored (even when seconded by another community member). In any case that is absolutely unaccepted practice. On 6/30/07, Cyril Plisko

Re: [zfs-discuss] Re: LZO compression?

2007-06-30 Thread Cyril Plisko
On 6/30/07, roland <[EMAIL PROTECTED]> wrote: some other funny benchmark numbers: i wondered how performance/compressratio of lzjb,lzo and gzip would compare if we have optimal compressible datastream. since zfs handles repeating zero`s quite efficiently (i.e. allocating no space) i tried wri

[zfs-discuss] Take Two: PSARC 2007/171 ZFS Separate Intent Log

2007-06-29 Thread Cyril Plisko
Hello ! I am adding zfs-discuss as it directly relevant to this community. On 6/23/07, Cyril Plisko <[EMAIL PROTECTED]> wrote: Hi, can the materials of the above be open for the community ? -- Regards, Cyril -- Regards,

Re: [zfs-discuss] zfs migration

2007-05-29 Thread Cyril Plisko
On 5/29/07, Krzys <[EMAIL PROTECTED]> wrote: Hello folks, I have a question. Currently I have zfs pool (mirror) on two internal disks... I wanted to connect that server to SAN, then add more storage to this pool (double the space) then start using it. Then what I wanted to do is just take out the

Re: [zfs-discuss] RFE: ISCSI alias when shareiscsi=on

2007-05-27 Thread Cyril Plisko
On 5/24/07, Darren J Moffat <[EMAIL PROTECTED]> wrote: Adam Leventhal wrote: > Right now -- as I'm sure you have noticed -- we use the dataset name for > the alias. To let users explicitly set the alias we could add a new property > as you suggest or allow other options for the existing shareiscs

[zfs-discuss] zfs tcsh command completion

2007-05-08 Thread Cyril Plisko
Hi ! I was in the middle of very long and boring transatlantic flight and played with zfs and gzip compression on my laptop. And I just thought that it may be quite useful for your shell to be able to autocomplete the arguments to the zfs/zpool command. So I quickly hacked together a script which

Re: [zfs-discuss] gzip compression throttles system?

2007-05-02 Thread Cyril Plisko
On 5/3/07, Ian Collins <[EMAIL PROTECTED]> wrote: The system has 8MB of RAM and a was using 'cp -r' to copy the directory. Hm, that would be a record breaking system. Did you mean 8 GB ? -- Regards, Cyril ___ zfs-discuss mailing list zfs-disc

Re: [zfs-discuss] Re: Re: Re: concatination & stripe - zfs?

2007-04-25 Thread Cyril Plisko
On 4/25/07, shay <[EMAIL PROTECTED]> wrote: Those are the result of my preformance test : Conclutions : 1. the dual HBA qla2342 is not a parallel at all. so it is better to use 2 single HBAs then one dual HBA. That would surprise me. Can it be that you are saturating the PCI slot you 2342

[zfs-discuss] ZFS boot from compressed zfs

2007-04-22 Thread Cyril Plisko
Hi, I am having problem booting from the zfs filesystem with compression set to gzip. I netinstalled machine and switched the compression to gzip during early installation stages. After the installation I am getting straight to the GRUB prompt instead of the normal menu. The attempt to manually e

Re: [zfs-discuss] zfs snaps and removing some files

2007-04-14 Thread Cyril Plisko
On 4/14/07, Krzys <[EMAIL PROTECTED]> wrote: Yes, I certainly agree. but what I wanted to do is remove those big files completly from my system, so I would make sure its gone from each snap. I certainly do understand the design of zfs file system and I was just wondering if what I wanted is possi

Re: [zfs-discuss] opensolaris, zfs rootfs raidz

2007-04-05 Thread Cyril Plisko
On 4/5/07, Jakob Praher <[EMAIL PROTECTED]> wrote: hi all, Hi Jacob, I am new to solaris. I am creating a zfs filestore which should boot via rootfs. The version of the system is: SunOS store1 5.10 Generic_118855-33 i86pc i386 i86pc. Now I have seen that there is a new rootfs support for so

Re: [zfs-discuss] ZFS Boot support for the x86 platform

2007-03-28 Thread Cyril Plisko
On 3/28/07, Richard Elling <[EMAIL PROTECTED]> wrote: Cyril Plisko wrote: > First of all I'd like to congratulate the ZFS boot team with the > integration of their work into ON. Great job ! I am sure there > are plenty of people waiting anxiously for this putback. > >

[zfs-discuss] ZFS Boot support for the x86 platform

2007-03-28 Thread Cyril Plisko
First of all I'd like to congratulate the ZFS boot team with the integration of their work into ON. Great job ! I am sure there are plenty of people waiting anxiously for this putback. I'd also like to suggest that the material referenced by HEADS UP message [1] be made available to non-SWAN folk

Re: [zfs-discuss] ZFS machine to be reinstalled

2007-03-23 Thread Cyril Plisko
On 3/23/07, Ionescu Mircea <[EMAIL PROTECTED]> wrote: Hello, Our Solaris 10 machine need to be reinstalled. Inside we have 2 HDDs in striping ZFS with 4 filesystems. After Solaris is installed how can I "mount" or recover the 4 filesystems without losing the existing data? Check "zfs import

Re: [zfs-discuss] ZFS/iSCSI target integration

2006-11-02 Thread Cyril Plisko
On 11/2/06, Rick McNeal <[EMAIL PROTECTED]> wrote: >> That's how the shareiscsi property works today. > > So, why manipulating LUN is impossible via zfs ??? > A ZVOL is a single LU, so there's nothing to manipulate. Could you give me an example of what you think should/could be changed? I

Re: [zfs-discuss] ZFS/iSCSI target integration

2006-11-02 Thread Cyril Plisko
On 11/2/06, Rick McNeal <[EMAIL PROTECTED]> wrote: > The administration of FC devices for the target mode needs some serious thinking so that we don't end up with a real nightmare on our hands. As you point out the FC world doesn't separate the port address from the target name. Therefore each

Re: [zfs-discuss] ZFS/iSCSI target integration

2006-11-01 Thread Cyril Plisko
On 11/1/06, Adam Leventhal <[EMAIL PROTECTED]> wrote: On Wed, Nov 01, 2006 at 09:25:26PM +0200, Cyril Plisko wrote: > On 11/1/06, Adam Leventhal <[EMAIL PROTECTED]> wrote: > >> >What properties are you specifically interested in modifying? > >> > >> L

Re: [zfs-discuss] ZFS/iSCSI target integration

2006-11-01 Thread Cyril Plisko
On 11/1/06, Adam Leventhal <[EMAIL PROTECTED]> wrote: > >What properties are you specifically interested in modifying? > > LUN for example. How would I configure LUN via zfs command ? You can't. Forgive my ignorance about how iSCSI is deployed, but why would you want/need to change the LUN? We

Re: [zfs-discuss] ZFS/iSCSI target integration

2006-11-01 Thread Cyril Plisko
On 11/1/06, Dick Davies <[EMAIL PROTECTED]> wrote: On 01/11/06, Dick Davies <[EMAIL PROTECTED]> wrote: > And we'll be able to use sparse zvols > for this too (can't think why we couldn't, but it'd be dead handy)? Thinking about this, we won't be able to (without some changes) - I think a target

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