Re: [zfs-discuss] Yager on ZFS

2007-12-07 Thread Anton B. Rang
> NOTHING anton listed takes the place of ZFS That's not surprising, since I didn't list any file systems. Here's a few file systems, and some of their distinguishing features. None of them do exactly what ZFS does. ZFS doesn't do what they do, either. QFS: Very, very fast. Supports segregat

Re: [zfs-discuss] zfs rollback without unmounting a file system

2007-12-07 Thread can you guess?
Allowing a filesystem to be rolled back without unmounting it sounds unwise, given the potentially confusing effect on any application with a file currently open there. And if a user can't roll back their home directory filesystem, is that so bad? Presumably they can still access snapshot vers

Re: [zfs-discuss] Yager on ZFS

2007-12-07 Thread can you guess?
> > You have me at a disadvantage here, because I'm > not > > even a Unix (let alone Solaris and Linux) > aficionado. > > But don't Linux snapshots in conjunction with > rsync > > (leaving aside other possibilities that I've never > > heard of) provide rather similar capabilities > (e.g., > > incre

[zfs-discuss] /dev/zfs ioctl performance

2007-12-07 Thread Scott
Hello, I have been trying to chase down some ZFS performance issues, and I was hoping someone with more ZFS experience might be able to comment. When running a "zfs list" command, it often takes several minutes to complete. I see similar behavior when running most other ZFS commands, such as "

Re: [zfs-discuss] Yager on ZFS

2007-12-07 Thread Anton B. Rang
> There are a category of errors that are > not caused by firmware, or any type of software. The > hardware just doesn't write or read the correct bit value this time > around. With out a checksum there's no way for the firmware to know, and > next time it very well may write or read the correct b

Re: [zfs-discuss] Mail system errors (On Topic).

2007-12-07 Thread Wade . Stuart
Please see below for an example. -Wade [EMAIL PROTECTED] wrote on 12/07/2007 03:07:29 PM: > > > > I keep getting ETOOMUCHTROLL errors thrown while > > reading this list, is > > there a list admin that can clean up the mess? I > > would hope that repeated > > personal attacks could be consider

Re: [zfs-discuss] Yager on ZFS

2007-12-07 Thread Tim Cook
> You have me at a disadvantage here, because I'm not > even a Unix (let alone Solaris and Linux) aficionado. > But don't Linux snapshots in conjunction with rsync > (leaving aside other possibilities that I've never > heard of) provide rather similar capabilities (e.g., > incremental backup or re-

Re: [zfs-discuss] Mail system errors (On Topic).

2007-12-07 Thread can you guess?
> > I keep getting ETOOMUCHTROLL errors thrown while > reading this list, is > there a list admin that can clean up the mess? I > would hope that repeated > personal attacks could be considered grounds for > removal/blocking. Actually, most of your more unpleasant associates here seem to suffe

Re: [zfs-discuss] ZFS on Freebsd 7.0

2007-12-07 Thread Karl Pielorz
--On 07 December 2007 11:18 -0600 Jason Morton <[EMAIL PROTECTED]> wrote: > I am using ZFS on FreeBSD 7.0_beta3. This is the first time i have used > ZFS and I have run into something that I am not sure if this is normal, > but am very concerned about. > > SYSTEM INFO: > hp 320s (storage array)

Re: [zfs-discuss] Yager on ZFS

2007-12-07 Thread can you guess?
Once again, profuse apologies for having taken so long (well over 24 hours by now - though I'm not sure it actually appeared in the forum until a few hours after its timestamp) to respond to this. > can you guess? wrote: > > > > Primarily its checksumming features, since other > open source solu

Re: [zfs-discuss] ZFS on Freebsd 7.0

2007-12-07 Thread Peter Schuller
> NAMESTATE READ WRITE CKSUM > fatty DEGRADED 0 0 3.71K > raidz2DEGRADED 0 0 3.71K > da0 ONLINE 0 0 0 > da1 ONLINE 0 0 0 > da2 ONLINE 0 0 0 > da3

Re: [zfs-discuss] OT: NTFS Single Instance Storage (Re: Yager on ZFS

2007-12-07 Thread Wade . Stuart
Thanks Darren. I found another link that goes into the 2003 implementation: http://blogs.technet.com/filecab/archive/tags/Single+Instance+Store+_2800_SIS_2900_/default.aspx It looks pretty nice, although I am not sure about the userland dedup service design -- I would like to see it implemented

[zfs-discuss] OT: NTFS Single Instance Storage (Re: Yager on ZFS

2007-12-07 Thread Darren J Moffat
[EMAIL PROTECTED] wrote: > Darren, > > Do you happen to have any links for this? I have not seen anything > about NTFS and CAS/dedupe besides some of the third party apps/services > that just use NTFS as their backing store. Single Instance Storage is what Microsoft uses to refer to this:

Re: [zfs-discuss] zfs export/import problem in cluster env.

2007-12-07 Thread Robert Milkowski
Hello Marcin, Saturday, December 1, 2007, 9:57:11 AM, you wrote: MW> i did some test lately with zfs, env is: MW> 2 node veritas cluster 5.0 on solaris 8/07 with recommended MW> patches, 2 machines v440 & v480, shared storage through switch on 6120 array. MW> 2 luns from array, on every zfs pool

Re: [zfs-discuss] Yager on ZFS

2007-12-07 Thread Wade . Stuart
Darren, Do you happen to have any links for this? I have not seen anything about NTFS and CAS/dedupe besides some of the third party apps/services that just use NTFS as their backing store. Thanks! Wade Stuart Fallon Worldwide P: 612.758.2660 C: 612.877.0385 [EMAIL PROTECTED] wrote on 12

Re: [zfs-discuss] Trial x4500, zfs with NFS and quotas.

2007-12-07 Thread Robert Milkowski
Hello Jorgen, Honestly - I don't think zfs is a good solution to your problem. What you could try to do however when it comes to x4500 is: 1. Use SVM+UFS+user quotas 2. Use zfs and create several (like up-to 20? so each stays below 1TB) ufs file systems on zvols and then apply user quotas on

[zfs-discuss] Mail system errors (On Topic).

2007-12-07 Thread Wade . Stuart
I keep getting ETOOMUCHTROLL errors thrown while reading this list, is there a list admin that can clean up the mess? I would hope that repeated personal attacks could be considered grounds for removal/blocking. Wade Stuart Fallon Worldwide P: 612.758.2660 C: 612.877.0385

Re: [zfs-discuss] Yager on ZFS

2007-12-07 Thread Darren J Moffat
I believe the data "dedup" is also a feature of NTFS. -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

[zfs-discuss] zfs rollback without unmounting a file system

2007-12-07 Thread Robert Milkowski
Hello zfs-discuss, http://bugs.opensolaris.org/view_bug.do?bug_id=6421210 1. App opens and creates an empty file /pool/fs1/file1 2. zfs snapshot pool/[EMAIL PROTECTED] 3. App writes something to file and still keeps it open 4. zfs rollback pool/[EMAIL PROTECTED] Now what happens to fd App is u

Re: [zfs-discuss] Help replacing dual identity disk in ZFS raidz and SVM mirror

2007-12-07 Thread Robert Milkowski
Hello Matt, Monday, December 3, 2007, 8:36:28 PM, you wrote: MB> Hi, MB> We have a number of 4200's setup using a combination of an SVM 4 MB> way mirror and a ZFS raidz stripe. MB> Each disk (of 4) is divided up like this MB> / 6GB UFS s0 MB> Swap 8GB s1 MB> /var 6GB UFS s3 MB> Metadb 50MB UF

Re: [zfs-discuss] Yager on ZFS

2007-12-07 Thread Tim Cook
> If you ever progress beyond counting on your fingers > you might (with a lot of coaching from someone who > actually cares about your intellectual development) > be able to follow Anton's recent explanation of this > (given that the higher-level overviews which I've > provided apparently flew com

Re: [zfs-discuss] Seperate ZIL

2007-12-07 Thread Vincent Fox
> On Wed, 5 Dec 2007, Brian Hechinger wrote: > [1] Finally, someone built a flash SSD that rocks > (and they know how > fast it is judging by the pricetag): > http://www.tomshardware.com/2007/11/21/mtron_ssd_32_gb > / > http://www.anandtech.com/storage/showdoc.aspx?i=3167 Great now if only Sun w

[zfs-discuss] ZFS on Freebsd 7.0

2007-12-07 Thread Jason Morton
I am using ZFS on FreeBSD 7.0_beta3. This is the first time i have used ZFS and I have run into something that I am not sure if this is normal, but am very concerned about. SYSTEM INFO: hp 320s (storage array) 12 disks (750GB each) 2GB RAM 1GB flash drive (running the OS) When I take a disk

Re: [zfs-discuss] Yager on ZFS

2007-12-07 Thread can you guess?
> So name these mystery alternatives that come anywhere > close to the protection, If you ever progress beyond counting on your fingers you might (with a lot of coaching from someone who actually cares about your intellectual development) be able to follow Anton's recent explanation of this (giv

Re: [zfs-discuss] ZFS with Memory Sticks

2007-12-07 Thread Robert Milkowski
Hello Paul, Wednesday, December 5, 2007, 10:34:47 PM, you wrote: PG> Constantin Gonzalez wrote: >> Hi Paul, >> >> yes, ZFS is platform agnostic and I know it works in SANs. >> >> For the USB stick case, you may have run into labeling issues. Maybe >> Solaris SPARC did not recognize the x64 type l

Re: [zfs-discuss] Yager on ZFS

2007-12-07 Thread can you guess?
... > ZFS snapshots and clones save a lot of space, but the > 'content-hash == address' trick means you could > potentially save > much more. Several startups have emerged over the past few years based on this idea of 'data deduplication', and some have been swallowed up by bigger fish that cle

Re: [zfs-discuss] Error in zpool man page?

2007-12-07 Thread jonathan soons
mis _HOLD_ # cat /etc/release Solaris 10 6/06 s10s_u2wos_09a SPARC Copyright 2006 Sun Microsystems, Inc. All Rights Reserved. Use is subject to license terms. Assembled 09 June 2006 mis _HOLD_ # This message

Re: [zfs-discuss] Moving ZFS file system to a different system

2007-12-07 Thread Robert Milkowski
Hello Walter, Thursday, December 6, 2007, 7:05:54 PM, you wrote: > Hi All, We are currently a hardware issue with our zfs file server hence the file system is unusable. We are planning to move it to a different system. The setup on the file server when it was running was bash-3.00# zpo

Re: [zfs-discuss] Error in zpool man page?

2007-12-07 Thread Mike Dotson
On Fri, 2007-12-07 at 08:24 -0800, jonathan soons wrote: > SunOS 5.10 Last change: 25 Apr 2006 > > Yes, I see that my other server is more up to date. > > SunOS 5.10 Last change: 13 Feb 2007 > This one was recently installed. What OS rev? (more /etc/release) I don't ha

Re: [zfs-discuss] Error in zpool man page?

2007-12-07 Thread jonathan soons
SunOS 5.10 Last change: 25 Apr 2006 Yes, I see that my other server is more up to date. SunOS 5.10 Last change: 13 Feb 2007 This one was recently installed. Is there a patch that was not included with 10_Recommended? This message posted from opensolaris.org

Re: [zfs-discuss] Error in zpool man page?

2007-12-07 Thread Cindy . Swearingen
Jonathan, I think I remember seeing this error in an older Solaris release. The current zpool.1m man page doesn't have this error unless I'm missing it: http://docs.sun.com/app/docs/doc/819-2240/zpool-1m In a current Solaris release, this command fails as expected: # zpool create mirror c0t2d0

Re: [zfs-discuss] Error in zpool man page?

2007-12-07 Thread Mike Dotson
On Fri, 2007-12-07 at 08:02 -0800, jonathan soons wrote: > The man page gives this form: > zpool create [-fn] [-R root] [-m mountpoint] pool vdev ... > however, lower down, there is this command: > # zpool create mirror c0t0d0 c0t1d0 mirror c1t0d0 c1t1d0 > Isn't the "pool" element missing in the

[zfs-discuss] Error in zpool man page?

2007-12-07 Thread jonathan soons
The man page gives this form: zpool create [-fn] [-R root] [-m mountpoint] pool vdev ... however, lower down, there is this command: # zpool create mirror c0t0d0 c0t1d0 mirror c1t0d0 c1t1d0 Isn't the "pool" element missing in the command? This message posted from opensolaris.org __

Re: [zfs-discuss] Seperate ZIL

2007-12-07 Thread Anton B. Rang
> 10K RPM SCSI disks will get (best case) 350 to 400 IOPS. Remember, > the main issue with legacy SCSI is that (SCSI) commands are sent > 8-bits wide at 5Mbits/Sec - for backwards compatibility. This is true for really old SCSI configurations, but if you're buying a modern disk and controller

Re: [zfs-discuss] mixing raidz1 and raidz2 in same pool

2007-12-07 Thread Anton B. Rang
There won't be a performance hit beyond that of RAIDZ2 vs. RAIDZ. But you'll wind up with a pool with fundamentally single-disk-failure tolerance, so I'm not sure it's worth it (at least until there's a mechanism for replacing the remaining raidz1 vdevs with raidz2). This message posted from

Re: [zfs-discuss] Odd prioritisation issues.

2007-12-07 Thread Anton B. Rang
> I was under the impression that real-time processes essentially trump all > others, and I'm surprised by this behaviour; I had a dozen or so RT-processes > sat waiting for disc for about 20s. Process priorities on Solaris affect CPU scheduling, but not (currently) I/O scheduling nor memory usag

Re: [zfs-discuss] Odd prioritisation issues.

2007-12-07 Thread Dickon Hood
On Fri, Dec 07, 2007 at 12:58:17 +, Darren J Moffat wrote: : Dickon Hood wrote: : >On Fri, Dec 07, 2007 at 12:38:11 +, Darren J Moffat wrote: : >: Dickon Hood wrote: : >: >We've got an interesting application which involves recieving lots of : >: >multicast groups, and writing the data to d

[zfs-discuss] Same device added twice

2007-12-07 Thread Tony Dalton
Hi, I'm new to the list and fairly new to ZFS so hopefully this isn't a dumb question, but... I just inadvertantly added s0 of a disk to a zpool, and then added the entire device: NAME STATE READ WRITE CKSUM zfs-bo O

Re: [zfs-discuss] Odd prioritisation issues.

2007-12-07 Thread Darren J Moffat
Dickon Hood wrote: > On Fri, Dec 07, 2007 at 12:38:11 +, Darren J Moffat wrote: > : Dickon Hood wrote: > : >We've got an interesting application which involves recieving lots of > : >multicast groups, and writing the data to disc as a cache. We're > : >currently using ZFS for this cache, as we

Re: [zfs-discuss] Odd prioritisation issues.

2007-12-07 Thread Dickon Hood
On Fri, Dec 07, 2007 at 12:38:11 +, Darren J Moffat wrote: : Dickon Hood wrote: : >We've got an interesting application which involves recieving lots of : >multicast groups, and writing the data to disc as a cache. We're : >currently using ZFS for this cache, as we're potentially dealing with

Re: [zfs-discuss] Odd prioritisation issues.

2007-12-07 Thread Darren J Moffat
Dickon Hood wrote: > We've got an interesting application which involves recieving lots of > multicast groups, and writing the data to disc as a cache. We're > currently using ZFS for this cache, as we're potentially dealing with a > couple of TB at a time. > > The threads writing to the filesyst

[zfs-discuss] Odd prioritisation issues.

2007-12-07 Thread Dickon Hood
We've got an interesting application which involves recieving lots of multicast groups, and writing the data to disc as a cache. We're currently using ZFS for this cache, as we're potentially dealing with a couple of TB at a time. The threads writing to the filesystem have real-time SCHED_FIFO pr

Re: [zfs-discuss] ZFS write time performance question

2007-12-07 Thread przemolicc
On Thu, Dec 06, 2007 at 11:40:13AM -0800, eric kustarz wrote: > > [...] > > przemol, did you set the recordsize to 8KB? Yes. It is mentioned in the legend on the right side of the chart. > What are the server's specs? (memory, CPU) Memory: 24GB CPU:8 x UltraSPARC-III+ 900 MHz > Which vers