[zfs-discuss] Re: Poor performance on NFS-exported ZFS volumes

2006-07-28 Thread Frank Cusack
Patrick Bachmann: Hey Bill, Bill Sommerfeld wrote: Overly wide raidz groups seems to be an unfenced hole that people new to ZFS fall into on a regular basis. The man page warns against this but that doesn't seem to be sufficient. Given that zfs has relatively few such traps, perhaps large rai

[zfs-discuss] iscsi automatic mounting

2006-07-28 Thread Frank Cusack
zfs automatically mounts locally attached disks (export/import aside). Does it do this for iscsi? I guess my question is, does the solaris iscsi initiator provide the same kind of device permanence as for local drives? thanks -frank ___ zfs-discuss ma

Re: [zfs-discuss] Re: Poor performance on NFS-exported ZFS volumes

2006-07-28 Thread Richard Lowe
Frank Cusack wrote: Patrick Bachmann: Hey Bill, Bill Sommerfeld wrote: Overly wide raidz groups seems to be an unfenced hole that people new to ZFS fall into on a regular basis. The man page warns against this but that doesn't seem to be sufficient. Given that zfs has relatively few such tra

Re: [zfs-discuss] ZFS vs WAFL positioning

2006-07-28 Thread Darren Reed
I've had people mention that WAFL does indeed support clones of snapshots. Is this a "what version of WAFL" problem? Darren ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] ZFS vs WAFL positioning

2006-07-28 Thread James Dickens
On 7/28/06, Darren Reed <[EMAIL PROTECTED]> wrote: I've had people mention that WAFL does indeed support clones of snapshots. Is this a "what version of WAFL" problem? apparently so, but it is rather new from the impression given from this site: http://www.tournament.org.il/run/index.php?/arc

Re: [zfs-discuss] sharing a storage array

2006-07-28 Thread James Dickens
On 7/28/06, Jeff Bonwick <[EMAIL PROTECTED]> wrote: > I have a SAS array with a zfs pool on it. zfs automatically searches for > and mounts the zfs pool I've created there. I want to attach another > host to this array, but it doesn't have any provision for zones or the > like. (Like you would

Re[2]: [zfs-discuss] 6424554

2006-07-28 Thread Robert Milkowski
Hello Fred, Friday, July 28, 2006, 12:37:22 AM, you wrote: FZ> Hi Robert, FZ> The fix for 6424554 is being backported to S10 and will be available in FZ> S10U3, later this year. I know that already - I was rather asking if a patch containing the fix will be available BEFORE U3 and if yes then w

Re[2]: [zfs-discuss] Zones root-fs in ZFS ? (fwd)

2006-07-28 Thread Robert Milkowski
Hello Matty, Thursday, July 27, 2006, 7:53:34 PM, you wrote: M> Are there any known issues with patching zones that are installed on a ZFS M> file system? Does smpatch and company work ok with this configuration? Right now I have such configurations and have been using smpatch without any probl

[zfs-discuss] 3510 JBOD ZFS vs 3510 HW RAID

2006-07-28 Thread Louwtjie Burger
Hi there Is it fair to compare the 2 solutions using Solaris 10 U2 and a commercial database (SAP SD scenario). The cache on the HW raid helps, and the CPU load is less... but the solution costs more and you _might_ not need the performance of the HW RAID. Has anybody with access to these unit

[zfs-discuss] Re: zfs questions from Sun customer

2006-07-28 Thread Daniel Rock
> > * follow-up question from customer > > > Yes, using the c#t#d# disks work, but anyone using fibre-channel storage > on somethink like IBM Shark or EMC Clariion will want multiple paths to > disk using either IBMsdd, EMCpower or Solaris native MPIO. Does ZFS > work wit

Re: [zfs-discuss] Re: Poor performance on NFS-exported ZFS volumes

2006-07-28 Thread Patrick Bachmann
Hey Frank, Frank Cusack wrote: Patrick Bachmann: IMHO it is sufficient to just document this best-practice. I disagree. The documentation has to AT LEAST state that more than 9 disks gives poor performance. I did read that raidz should use 3-9 disks in the docs but it doesn't say WHY, so of

Re: [zfs-discuss] sharing a storage array

2006-07-28 Thread Jeff Victor
Jeff Bonwick wrote: If one host failed I want to be able to do a manual mount on the other host. Multiple hosts writing to the same pool won't work, but you could indeed have two pools, one for each host, in a dual active-passive arrangement. That is, you dual-attach the storage with host A tal

Re: [zfs-discuss] ZFS Boot Disk

2006-07-28 Thread Brian Hechinger
On Thu, Jul 27, 2006 at 07:25:55PM -0700, Matthew Ahrens wrote: > On Thu, Jul 27, 2006 at 08:17:03PM -0500, Malahat Qureshi wrote: > > Is there any way to boot of from zfs disk "work around" ?? > > Yes, see > http://blogs.sun.com/roller/page/tabriz?entry=are_you_ready_to_rumble I followed those d

Re: [zfs-discuss] Re: Poor performance on NFS-exported ZFS volumes

2006-07-28 Thread Brian Hechinger
On Fri, Jul 28, 2006 at 02:14:50PM +0200, Patrick Bachmann wrote: > systems config? There are a lot of things you know better off-hand > about your system, otherwise you need to do some benchmarking, which > ZFS would have to do too, if it was to give you the best performing > config. How hard

Re: [zfs-discuss] sharing a storage array

2006-07-28 Thread Richard Elling
Danger Will Robinson... Jeff Victor wrote: Jeff Bonwick wrote: If one host failed I want to be able to do a manual mount on the other host. Multiple hosts writing to the same pool won't work, but you could indeed have two pools, one for each host, in a dual active-passive arrangement. That is

Re: [zfs-discuss] Re: Poor performance on NFS-exported ZFS volumes

2006-07-28 Thread Richard Elling
Brian Hechinger wrote: On Fri, Jul 28, 2006 at 02:14:50PM +0200, Patrick Bachmann wrote: systems config? There are a lot of things you know better off-hand about your system, otherwise you need to do some benchmarking, which ZFS would have to do too, if it was to give you the best performing c

Re: [zfs-discuss] sharing a storage array

2006-07-28 Thread Jeff Victor
Richard Elling wrote: Danger Will Robinson... Jeff Victor wrote: Jeff Bonwick wrote: Multiple hosts writing to the same pool won't work, but you could indeed have two pools, one for each host, in a dual active-passive arrangement. That is, you dual-attach the storage with host A talking to p

Re: [zfs-discuss] 3510 JBOD ZFS vs 3510 HW RAID

2006-07-28 Thread Al Hopper
On Fri, 28 Jul 2006, Louwtjie Burger wrote: reformatted > Hi there > > Is it fair to compare the 2 solutions using Solaris 10 U2 and a > commercial database (SAP SD scenario). > > The cache on the HW raid helps, and the CPU load is less... but the > solution costs more and you _might_ no

[zfs-discuss] ZFS questions

2006-07-28 Thread John Cecere
Can someone explain to me what the 'volinit' and 'volfini' options to zfs do ? It's not obvious from the source code and these options are undocumented. Thanks, John -- John Cecere Sun Microsystems 732-302-3922 / [EMAIL PROTECTED] ___ zfs-discuss mai

Re: [zfs-discuss] ZFS Boot Disk

2006-07-28 Thread Lori Alt
Brian Hechinger wrote: On Thu, Jul 27, 2006 at 07:25:55PM -0700, Matthew Ahrens wrote: On Thu, Jul 27, 2006 at 08:17:03PM -0500, Malahat Qureshi wrote: Is there any way to boot of from zfs disk "work around" ?? Yes, see http://blogs.sun.com/roller/page/tabriz?entry=are_you_ready_to_rumble

Re: [zfs-discuss] iscsi automatic mounting

2006-07-28 Thread Eric Schrock
On Fri, Jul 28, 2006 at 12:43:37AM -0700, Frank Cusack wrote: > zfs automatically mounts locally attached disks (export/import aside). Does > it do this for iscsi? I guess my question is, does the solaris iscsi > initiator provide the same kind of device permanence as for local drives? No, not c

Re: [zfs-discuss] ZFS questions

2006-07-28 Thread Eric Schrock
On Fri, Jul 28, 2006 at 10:52:50AM -0400, John Cecere wrote: > Can someone explain to me what the 'volinit' and 'volfini' options to zfs > do ? It's not obvious from the source code and these options are > undocumented. These are unstable private interfaces which create and destroy the /dev/zvol

Re: Re[2]: [zfs-discuss] Zones root-fs in ZFS ? (fwd)

2006-07-28 Thread Frank Cusack
On July 28, 2006 11:42:28 AM +0200 Robert Milkowski <[EMAIL PROTECTED]> wrote: Hello Matty, Thursday, July 27, 2006, 7:53:34 PM, you wrote: M> Are there any known issues with patching zones that are installed on a ZFS M> file system? Does smpatch and company work ok with this configuration? R

Re: [zfs-discuss] Re: Poor performance on NFS-exported ZFS volumes

2006-07-28 Thread Frank Cusack
On July 28, 2006 2:14:50 PM +0200 Patrick Bachmann <[EMAIL PROTECTED]> wrote: Richard already pointed out that you should split the devices into a number of vdevs and not pools. I missed that. I guess I also didn't know what a vdev is, guess I know even less about this "zfs thing" than I thou

Re: [zfs-discuss] Re: Poor performance on NFS-exported ZFS volumes

2006-07-28 Thread Frank Cusack
On July 28, 2006 9:09:58 AM -0400 Brian Hechinger <[EMAIL PROTECTED]> wrote: On Fri, Jul 28, 2006 at 02:14:50PM +0200, Patrick Bachmann wrote: systems config? There are a lot of things you know better off-hand about your system, otherwise you need to do some benchmarking, which ZFS would have to

Re: [zfs-discuss] iscsi automatic mounting

2006-07-28 Thread Eric Schrock
On Fri, Jul 28, 2006 at 09:29:42AM -0700, Eric Schrock wrote: > On Fri, Jul 28, 2006 at 12:43:37AM -0700, Frank Cusack wrote: > > zfs automatically mounts locally attached disks (export/import aside). Does > > it do this for iscsi? I guess my question is, does the solaris iscsi > > initiator prov

Re: [zfs-discuss] 3510 JBOD ZFS vs 3510 HW RAID

2006-07-28 Thread Frank Cusack
On July 28, 2006 3:31:51 AM -0700 Louwtjie Burger <[EMAIL PROTECTED]> wrote: Hi there Is it fair to compare the 2 solutions using Solaris 10 U2 and a commercial database (SAP SD scenario). The cache on the HW raid helps, and the CPU load is less... but the solution costs more and you _might_

Re: [zfs-discuss] Zones root-fs in ZFS ? (fwd)

2006-07-28 Thread Lori Alt
Right now I have such configurations and have been using smpatch without any problems so far. I thought I read somewhere (zones guide?) that putting the zone root fs on zfs was unsupported. You've missed the earlier part of this thread. Yes, it's unsupported, but the question was asked "Does

Re: [zfs-discuss] 3510 JBOD ZFS vs 3510 HW RAID

2006-07-28 Thread Torrey McMahon
Frank Cusack wrote: On July 28, 2006 3:31:51 AM -0700 Louwtjie Burger <[EMAIL PROTECTED]> wrote: Hi there Is it fair to compare the 2 solutions using Solaris 10 U2 and a commercial database (SAP SD scenario). The cache on the HW raid helps, and the CPU load is less... but the solution costs

Re: [zfs-discuss] Re: Poor performance on NFS-exported ZFS volumes

2006-07-28 Thread Joseph Mocker
Richard Elling wrote: How hard would it be to write a tool like that? Something along the lines of: zpool bench raidz disk1 disk2 ... diskN Let ZFS figure out the best way to set up your disks for you and tell you how it should be laid out (and even offer a "just do it" flag that will let it

Re: [zfs-discuss] How to best layout our filesystems

2006-07-28 Thread George Wilson
Robert, The patches will be available sometime late September. This may be a week or so before s10u3 actually releases. Thanks, George Robert Milkowski wrote: Hello eric, Thursday, July 27, 2006, 4:34:16 AM, you wrote: ek> Robert Milkowski wrote: Hello George, Wednesday, July 26, 2006,

Re: [zfs-discuss] sharing a storage array

2006-07-28 Thread Jim Dunham - Sun Microsystems
Richard Elling wrote: Danger Will Robinson... Jeff Victor wrote: Jeff Bonwick wrote: If one host failed I want to be able to do a manual mount on the other host. Multiple hosts writing to the same pool won't work, but you could indeed have two pools, one for each host, in a dual active-

Re: [zfs-discuss] ZFS Boot Disk

2006-07-28 Thread Brian Hechinger
On Fri, Jul 28, 2006 at 09:47:48AM -0600, Lori Alt wrote: > > While the official release of zfs-boot won't be out > until Update 4 at least, we're working right now on > getting enough pieces available through OpenSolaris > so that users can put together a boot CD/DVD/image > that will directly in

Re: [zfs-discuss] ZFS Boot Disk

2006-07-28 Thread Lori Alt
Brian Hechinger wrote: On Fri, Jul 28, 2006 at 09:47:48AM -0600, Lori Alt wrote: While the official release of zfs-boot won't be out until Update 4 at least, we're working right now on getting enough pieces available through OpenSolaris so that users can put together a boot CD/DVD/image that wi

Re: [zfs-discuss] Re: Poor performance on NFS-exported ZFS volumes

2006-07-28 Thread Richard Elling
Joseph Mocker wrote: Richard Elling wrote: The problem is that there are at least 3 knobs to turn (space, RAS, and performance) and they all interact with each other. Good point. then how about something more like zpool bench raidz favor space disk1 ... diskN zpool bench raidz favor per

Re[2]: [zfs-discuss] sharing a storage array

2006-07-28 Thread Robert Milkowski
Hello Jeff, Friday, July 28, 2006, 4:21:42 PM, you wrote: JV> Now that I've gone and read the zpool man page :-[ it seems that only whole JV> disks can be exported/imported. No, it's not that way. If you create a pool from slices you'll be able to import/export only those slices. So if you w

Re: [zfs-discuss] Re: ZFS questions (hybrid HDs)

2006-07-28 Thread Jonathan Edwards
On Jun 21, 2006, at 11:05, Anton B. Rang wrote: My guess from reading between the lines of the Samsung/Microsoft press release is that there is a mechanism for the operating system to "pin" particular blocks into the cache (e.g. to speed boot) and the rest of the cache is used for write

Re[2]: [zfs-discuss] Zones root-fs in ZFS ? (fwd)

2006-07-28 Thread Robert Milkowski
Hello Lori, Friday, July 28, 2006, 6:50:55 PM, you wrote: >>> Right now I have such configurations and have been using smpatch >>> without any problems so far. >> >> I thought I read somewhere (zones guide?) that putting the zone root fs >> on zfs was unsupported. LA> You've missed the earlier

Re: [zfs-discuss] ZFS needs a viable backup mechanism

2006-07-28 Thread Scott Howard
On Thu, Jul 27, 2006 at 11:46:30AM -0700, Richard Elling wrote: > >>I'm don't have visibility of the Explorer development sites at the > >>moment, but I believe that the last publicly available Explorer I > >>looked at (v5.4) still didn't gather any ZFS related info, which would > >>scare me mig