Re: [zfs-discuss] kernel panic - was it zfs related?

2008-07-16 Thread Thommy M.
Michael Hale wrote: Around 9:45 this morning, our mailserver (SunOS 5.11 snv_91 i86pc i386 i86pc) rebooted. [...] dumping to /dev/zvol/dsk/rootpool/dump, offset 65536, content: kernel Is there a way to tell if ZFS caused the kernel panic? I notice that it says imapd: in the middle of

[zfs-discuss] zfs patches in latest sol10 u2 patch bundle

2008-07-16 Thread Manyam
Hi ZFS gurus -- I have a v240 with solaris10 u2 release and ZFs - could you please tell me if by applying the latest patch bundle of update 2 -- I will get the all the ZFS patches installed as well ? Thanks much for your support ~Balu This message posted from opensolaris.org

Re: [zfs-discuss] zfs patches in latest sol10 u2 patch bundle

2008-07-16 Thread Chris Cosby
S10U2 has zfs version=1. Any patches are just bug fixes (I'm not sure if there are any). If your intention is to get to a newer, later, greater ZFS, you'll need to upgrade. S10U5 has, for example, version=4. Differences in the versions of zfs can be found at

Re: [zfs-discuss] zfs patches in latest sol10 u2 patch bundle

2008-07-16 Thread Brian H. Nelson
Manyam wrote: Hi ZFS gurus -- I have a v240 with solaris10 u2 release and ZFs - could you please tell me if by applying the latest patch bundle of update 2 -- I will get the all the ZFS patches installed as well ? It is possible to patch your way up to the U5 kernel and related

[zfs-discuss] [Fwd: [Fwd: The results of iozone stress on NFS/ZFS and SF X4500 shows the very bad performance in read but good in write]]

2008-07-16 Thread Matthew Huang
Dear ALL, IHAC who would like to use Sun Fire X4500 to be the NFS server for the backend services, and would like to see the potential performance gain comparing to their existing systems. However the outputs of the I/O stress test with iozone show the mixed results as follows: * The

Re: [zfs-discuss] Raid-Z with N^2+1 disks

2008-07-16 Thread Richard Elling
Frank Cusack wrote: On July 14, 2008 9:54:43 PM -0700 Frank Cusack [EMAIL PROTECTED] wrote: On July 14, 2008 7:49:58 PM -0500 Bob Friesenhahn [EMAIL PROTECTED] wrote: It sounds like they're talking more about traditional hardware RAID but is this also true for ZFS? Right now

Re: [zfs-discuss] kernel panic - was it zfs related?

2008-07-16 Thread Michael Hale
On Jul 15, 2008, at 4:31 PM, Richard Elling wrote: Michael Hale wrote: Around 9:45 this morning, our mailserver (SunOS 5.11 snv_91 i86pc i386 i86pc) rebooted. Looking at /var/crash/HOSTNAME, I saw the unix.0 and vmcore0 files. Loading them up in MDB, I get the following: ::panicinfo

Re: [zfs-discuss] [Fwd: [Fwd: The results of iozone stress on NFS/ZFS and SF X4500 shows the very bad performance in read but good in write]]

2008-07-16 Thread Bob Friesenhahn
On Wed, 16 Jul 2008, Matthew Huang wrote: comparing to their existing systems. However the outputs of the I/O stress test with iozone show the mixed results as follows: * The read performance sharply degrades (almost down to 1/20, i.e from 2,000,000 down to 100,000) when the file sizes

Re: [zfs-discuss] kernel panic - was it zfs related?

2008-07-16 Thread Richard Elling
Michael Hale wrote: What's the proper way to file a bug report for opensolaris? Is there a web form and a way to upload the core file? http://bugs.opensolaris.org -- richard ___ zfs-discuss mailing list zfs-discuss@opensolaris.org

Re: [zfs-discuss] zfs patches in latest sol10 u2 patch bundle

2008-07-16 Thread Manyam
It is possible to patch your way up to the U5 kernel and related patches, which should give you all the latest ZFS bits (available in Solaris anyways). I have done this from U3, but I believe coming from U2 wouldn't be much different. I assume that the required patches are in the

Re: [zfs-discuss] zfs patches in latest sol10 u2 patch bundle

2008-07-16 Thread Ian Collins
Brian H. Nelson wrote: Manyam wrote: Hi ZFS gurus -- I have a v240 with solaris10 u2 release and ZFs - could you please tell me if by applying the latest patch bundle of update 2 -- I will get the all the ZFS patches installed as well ? It is possible to patch your way up

[zfs-discuss] 40min ls in empty directory

2008-07-16 Thread Ben Rockwood
I've run into an odd problem which I lovingly refer to as a black hole directory. On a Thumper used for mail stores we've found find's take an exceptionally long time to run. There are directories that have as many as 400,000 files, which I immediately considered the culprit. However,

Re: [zfs-discuss] Raid-Z with N^2+1 disks

2008-07-16 Thread David Magda
On Jul 14, 2008, at 20:49, Bob Friesenhahn wrote: Any time you see even a single statement which is incorrect, it is best to ignore that forum poster entirely and if no one corrects him, then ignore the entire forum. Yes, because each and every one of us must correct inaccuracies on the

[zfs-discuss] ZFS with STMS/MPXIO

2008-07-16 Thread Arif Khan
Hi Guys, Can I use MPXIO/STMS with ZFS to do multipathing amount pools/devices ? Any issues, any specific version of STMS to avoid/use ? Thanks Arif ___ zfs-discuss mailing list zfs-discuss@opensolaris.org

Re: [zfs-discuss] ZFS with STMS/MPXIO

2008-07-16 Thread Bob Friesenhahn
On Wed, 16 Jul 2008, Arif Khan wrote: Hi Guys, Can I use MPXIO/STMS with ZFS to do multipathing amount pools/devices ? Any issues, any specific version of STMS to avoid/use ? By STMS I assume that you are talking about MPXIO. Solaris 10 comes with a quite usable MPXIO and it does work

Re: [zfs-discuss] ZFS with STMS/MPXIO

2008-07-16 Thread James C. McPherson
Arif Khan wrote: Hi Guys, Can I use MPXIO/STMS with ZFS to do multipathing amount pools/devices ? Yes. It just works (tm). Any issues, any specific version of STMS to avoid/use ? One issue which I've come across recently is that stmsboot is not behaving itself properly when it does its

Re: [zfs-discuss] ZFS with STMS/MPXIO

2008-07-16 Thread James C. McPherson
Bob Friesenhahn wrote: On Wed, 16 Jul 2008, Arif Khan wrote: Hi Guys, Can I use MPXIO/STMS with ZFS to do multipathing amount pools/devices ? Any issues, any specific version of STMS to avoid/use ? By STMS I assume that you are talking about MPXIO. Solaris 10 comes with a quite usable

Re: [zfs-discuss] ZFS with STMS/MPXIO

2008-07-16 Thread Bob Friesenhahn
On Thu, 17 Jul 2008, James C. McPherson wrote: ... MPXIO is quite ugly and rough around the edges (at least compared with ZFS) but it works. Just curious - what do you see as the ugliness in MPxIO? I don't have an agenda to push, I'd just like to get feedback from you on what you see as

Re: [zfs-discuss] ZFS with STMS/MPXIO

2008-07-16 Thread James C. McPherson
Hi Bob, thanks for the quick response. Comments inline below Bob Friesenhahn wrote: On Thu, 17 Jul 2008, James C. McPherson wrote: ... MPXIO is quite ugly and rough around the edges (at least compared with ZFS) but it works. Just curious - what do you see as the ugliness in MPxIO? I don't

Re: [zfs-discuss] zfs and 2530 jbod

2008-07-16 Thread Frank Cusack
On June 14, 2007 1:56:05 AM -0700 Frank Cusack [EMAIL PROTECTED] wrote: Anyway I agree Sun should fill this hole, but the 2530 misses the mark. I'd like to see a chassis that takes 750GB/1TB SATA drives, with SAS host ports. And sell just the chassis, so I can skip the 100%+ drive markup. I

Re: [zfs-discuss] zfs and 2530 jbod

2008-07-16 Thread Rich Teer
On Wed, 16 Jul 2008, Frank Cusack wrote: On June 14, 2007 1:56:05 AM -0700 Frank Cusack [EMAIL PROTECTED] wrote: Anyway I agree Sun should fill this hole, but the 2530 misses the mark. I'd like to see a chassis that takes 750GB/1TB SATA drives, with SAS host ports. And sell just the

Re: [zfs-discuss] ZFS with STMS/MPXIO

2008-07-16 Thread Bob Friesenhahn
On Thu, 17 Jul 2008, James C. McPherson wrote: I'm fairly sure that the long device names aspect won't change. I don't understand what you mean by Odd requirement to update /etc/vfstab - when we turn on mpxio the device paths change, so any fs that's not ZFS will require repointing, as it

Re: [zfs-discuss] ZFS with STMS/MPXIO

2008-07-16 Thread James C. McPherson
Bob Friesenhahn wrote: On Thu, 17 Jul 2008, James C. McPherson wrote: I'm fairly sure that the long device names aspect won't change. I don't understand what you mean by Odd requirement to update /etc/vfstab - when we turn on mpxio the device paths change, so any fs that's not ZFS will

Re: [zfs-discuss] zfs and 2530 jbod

2008-07-16 Thread Frank Cusack
On July 16, 2008 9:40:03 PM -0700 Rich Teer [EMAIL PROTECTED] wrote: http://richteer.blogspot.com/2006/05/sun-storage-product-i-would-like-to.html I remember that! The 2.5 disks don't really count as low cost, but still your other post beats me. :P Let's say it was a team effort. :) -frank

[zfs-discuss] How to delete hundreds of emtpy snapshots

2008-07-16 Thread Joe S
I got overzealous with snapshot creation. Every 5 mins is a bad idea. Way too many. What's the easiest way to delete the empty ones? zfs list takes FOREVER ___ zfs-discuss mailing list zfs-discuss@opensolaris.org

Re: [zfs-discuss] How to delete hundreds of emtpy snapshots [SEC=PERSONAL]

2008-07-16 Thread LEES, Cooper
Hi there, Yes 5 minutes is too often. I would, if it is easy and you have enough room, and don't want any of the snapshots, create another temp zfs file system and copy your data there and destroy the current zfs file system. Then recreate it and copy the data back. I don't know if there