Re: [zfs-discuss] Making ZFS better: zfshistory

2010-04-22 Thread Brandon High
On Wed, Apr 21, 2010 at 10:13 PM, Richard Elling richard.ell...@gmail.com wrote: Repeating my previous question in another way... So how do they handle mv home/joeuser home/moeuser ? Does that mv delete all snapshots below home/joeuser? If you wanted to go into home/joeuser/.snapshot , I think

Re: [zfs-discuss] build a zfs continuous data replication in opensolaris

2010-04-22 Thread Andreas Grüninger
You may have a look in the whitepaper from Torsten Frueauf. see here http://sun.systemnews.com/articles/137/4/OpenSolaris/22016 This should give you the functionality of a DRBD-Cluster. Andreas -- This message posted from opensolaris.org ___

Re: [zfs-discuss] Making ZFS better: zfshistory

2010-04-22 Thread Darren J Moffat
On 22/04/2010 00:14, Jason King wrote: It still has the issue that the end user has to know where the root of the filesystem is in the tree (assuming it's even accessible on the system -- might not be for an NFS mount). For CIFS ZFS provides the Volume Shadow Service (Previous Versions in

Re: [zfs-discuss] Making ZFS better: zfshistory

2010-04-22 Thread Edward Ned Harvey
From: Richard Elling [mailto:richard.ell...@gmail.com] Repeating my previous question in another way... So how do they handle mv home/joeuser home/moeuser ? Does that mv delete all snapshots below home/joeuser? To make this work in ZFS, does this require that the mv(1) command only work

Re: [zfs-discuss] Snapshots and Data Loss

2010-04-22 Thread Ross Walker
On Apr 20, 2010, at 4:44 PM, Geoff Nordli geo...@grokworx.com wrote: From: matthew patton [mailto:patto...@yahoo.com] Sent: Tuesday, April 20, 2010 12:54 PM Geoff Nordli geo...@grokworx.com wrote: With our particular use case we are going to do a save state on their virtual machines, which

Re: [zfs-discuss] build a zfs continuous data replication in opensolaris

2010-04-22 Thread tranceash
Hi Richard What do you mean by A mirror would be simple do you mean to use zfs send and receive. Also is the auto-cdp plugin free with nexenstor developer. Is there a detailed explaination of AVS where they explain all the companents involved like what is bitmap for etc. If AVS is there around

Re: [zfs-discuss] build a zfs continuous data replication in opensolaris

2010-04-22 Thread tranceash
Hi Andreas , The paper looks good are any basic examples on AVS or open-ha that explains the componets throughly and guides. What books or resource you recommend I get more information about this as I cant find any books -- This message posted from opensolaris.org

[zfs-discuss] Find out which of many FS from a zpool is busy?

2010-04-22 Thread Carsten Aulbert
Hi all, sorry if this is in any FAQ - then I've clearly missed it. Is there an easy or at least straight forward way to determine which of n ZFS is currently under heavy NFS load? Once upon a time, when one had old style file systems and exported these as a whole iostat -x came in handy,

Re: [zfs-discuss] Find out which of many FS from a zpool is busy?

2010-04-22 Thread Peter Tribble
On Thu, Apr 22, 2010 at 3:30 PM, Carsten Aulbert carsten.aulb...@aei.mpg.de wrote: Hi all, sorry if this is in any FAQ - then I've clearly missed it. Is there an easy or at least straight forward way to determine which of n ZFS is currently under heavy NFS load? Once upon a time, when one

Re: [zfs-discuss] Find out which of many FS from a zpool is busy?

2010-04-22 Thread Darren J Moffat
On 22/04/2010 15:30, Carsten Aulbert wrote: sorry if this is in any FAQ - then I've clearly missed it. Is there an easy or at least straight forward way to determine which of n ZFS is currently under heavy NFS load? DTrace Analytics in the SS7000 appliance would be perfect for this. Once

Re: [zfs-discuss] Find out which of many FS from a zpool is busy?

2010-04-22 Thread Carsten Aulbert
Hi On Thursday 22 April 2010 16:33:51 Peter Tribble wrote: fsstat? Typically along the lines of fsstat /tank/* 1 Sh**, I knew about fsstat but never ever even tried to run it on many file systems at once. D'oh. *sigh* well, at least a good one for the archives... Thanks a lot!

Re: [zfs-discuss] Making ZFS better: zfshistory

2010-04-22 Thread Bob Friesenhahn
On Thu, 22 Apr 2010, Edward Ned Harvey wrote: To move closer to RFE status ... I think the description would have to be written in verbage pertaining to zfs which is more than I know. I can describe how they each work, but I can't make it technical enough to be an RFE for zfs. Someone would

Re: [zfs-discuss] build a zfs continuous data replication in opensolaris

2010-04-22 Thread Andreas Grüninger
If you read this http://hub.opensolaris.org/bin/download/Project+colorado/files/Whitepaper-OpenHAClusterOnOpenSolaris-external.pdf and especially starting at page 25 you will find a detailed explanation how to implement a storage cluster with shared storage based on Comstar and ISCSI. If you want

Re: [zfs-discuss] Making ZFS better: zfshistory

2010-04-22 Thread Richard Elling
On Apr 22, 2010, at 4:50 AM, Edward Ned Harvey wrote: From: Richard Elling [mailto:richard.ell...@gmail.com] Repeating my previous question in another way... So how do they handle mv home/joeuser home/moeuser ? Does that mv delete all snapshots below home/joeuser? To make this work in ZFS,

Re: [zfs-discuss] Making ZFS better: zfshistory

2010-04-22 Thread Joerg Schilling
Richard Elling richard.ell...@gmail.com wrote: IIRC, POSIX does not permit hard links to directories. Moving or renaming the directory structure gets disconnected from the original because these are relative relationships. Clearly, NetApp achieves this in some manner which is not constrained

Re: [zfs-discuss] In iSCSI hell...

2010-04-22 Thread Maurice Volaski
This sounds like http://bugs.opensolaris.org/bugdatabase/view_bug.do?bug_id=6894775. It seems this can be avoided by switching to an LSI card that uses mpt_sas. For example, the 9211. However, certain drives, such as the Western Digital WD2002FYPS-01U1B0, can also result in the behavior .

[zfs-discuss] Severe Problems on ZFS server

2010-04-22 Thread Andreas Höschler
Hi all we are encountering severe problems on our X4240 (64GB, 16 disks) running Solaris 10 and ZFS. From time to time (5-6 times a day) • FrontBase hangs or crashes • VBox virtual machine do hang • Other applications show rubber effect (white screen) while moving the windows I have been

Re: [zfs-discuss] HELP! zpool corrupted data

2010-04-22 Thread Cindy Swearingen
Hi Clint, Your symptoms to point to disk label problems, dangling device links, or overlapping partitions. All could be related to the power failure. The OpenSolaris error message (b134, I think you mean) brings up these bugs: 6912251, describes the dangling links problem, which you might be

Re: [zfs-discuss] Mac OS X clients with ZFS server

2010-04-22 Thread Shawn Ferry
On Apr 22, 2010, at 1:26 PM, Rich Teer wrote: Hi all, I have a server running SXCE b130 and I use ZFS for all file systems. I also have a couple of workstations running the same OS, and all is well. But I also have a MacBook Pro laptop running Snow Leopard (OS X 10.6.3), and I have

Re: [zfs-discuss] Severe Problems on ZFS server

2010-04-22 Thread Andreas Höschler
Hi all, we are encountering severe problems on our X4240 (64GB, 16 disks) running Solaris 10 and ZFS. From time to time (5-6 times a day) • FrontBase hangs or crashes • VBox virtual machine do hang • Other applications show rubber effect (white screen) while moving the windows I have been

Re: [zfs-discuss] Mac OS X clients with ZFS server

2010-04-22 Thread Rich Teer
On Thu, 22 Apr 2010, Shawn Ferry wrote: I haven't seen this behavior. However, all of my file systems used by my Mac are pool version 8 fs ver 2. I don't know if that could be part of your problem or not. Thanks for the info. I should have said that all the file systems I'm using were

Re: [zfs-discuss] Mac OS X clients with ZFS server

2010-04-22 Thread Tomas Ögren
On 22 April, 2010 - Rich Teer sent me these 1,1K bytes: Hi all, I have a server running SXCE b130 and I use ZFS for all file systems. I also have a couple of workstations running the same OS, and all is well. But I also have a MacBook Pro laptop running Snow Leopard (OS X 10.6.3), and I

[zfs-discuss] Is it safe to disable the swap partition?

2010-04-22 Thread Karl Dalen
If I want to reduce the I/O accesses for example to SSD media on a laptop and I don't plan to run any big applications is it safe to delete the swap file ? How do I configure opensolairs to run without swap ? I've tried 'swap -d /dev/zvol/dsk/rpool/swap' but 'swap -s' still shows the same amount

Re: [zfs-discuss] Mac OS X clients with ZFS server

2010-04-22 Thread Alex Blewitt
Rich, Shawn, Of course, it probably doesn't help that Apple, in their infinite wisdom, canned native suport for ZFS in Snow Leopard (idiots). For your information, the ZFS project lives (well, limps really) on at http://code.google.com/p/mac-zfs. You can get ZFS for Snow Leopard from there

Re: [zfs-discuss] Mac OS X clients with ZFS server

2010-04-22 Thread Rich Teer
On Thu, 22 Apr 2010, Tomas Ögren wrote: Copying via terminal (and cp) works. Interesting: if I copy a file *which has no extended attributes* using cp in a terminal, it works fine. If I try to cp a file that has EA (to the same destination), it hangs. But I get this error message after a few

Re: [zfs-discuss] Mac OS X clients with ZFS server

2010-04-22 Thread Rich Teer
On Thu, 22 Apr 2010, Alex Blewitt wrote: Hi Alex, For your information, the ZFS project lives (well, limps really) on at http://code.google.com/p/mac-zfs. You can get ZFS for Snow Leopard from there and we're working on moving forwards from the ancient pool support to something more recent.

Re: [zfs-discuss] Mac OS X clients with ZFS server

2010-04-22 Thread Mike Mackovitch
On Thu, Apr 22, 2010 at 12:40:37PM -0700, Rich Teer wrote: On Thu, 22 Apr 2010, Tomas Ögren wrote: Copying via terminal (and cp) works. Interesting: if I copy a file *which has no extended attributes* using cp in a terminal, it works fine. If I try to cp a file that has EA (to the same

Re: [zfs-discuss] Severe Problems on ZFS server

2010-04-22 Thread Bob Friesenhahn
On Thu, 22 Apr 2010, Andreas Höschler wrote: we are encountering severe problems on our X4240 (64GB, 16 disks) running Solaris 10 and ZFS. From time to time (5-6 times a day) • FrontBase hangs or crashes • VBox virtual machine do hang • Other applications show rubber effect (white screen)

Re: [zfs-discuss] Mac OS X clients with ZFS server

2010-04-22 Thread Rich Teer
On Thu, 22 Apr 2010, Mike Mackovitch wrote: Hi Mike, So, it looks like you need to investigate why the client isn't getting responses from the server's lockd. This is usually caused by a firewall or NAT getting in the way. Great idea--I was indeed connected to my network using the AirPort

Re: [zfs-discuss] Mac OS X clients with ZFS server

2010-04-22 Thread Mike Mackovitch
On Thu, Apr 22, 2010 at 01:54:26PM -0700, Rich Teer wrote: On Thu, 22 Apr 2010, Mike Mackovitch wrote: Hi Mike, So, it looks like you need to investigate why the client isn't getting responses from the server's lockd. This is usually caused by a firewall or NAT getting in the way.

Re: [zfs-discuss] Making ZFS better: zfshistory

2010-04-22 Thread A Darren Dunham
On Wed, Apr 21, 2010 at 10:10:09PM -0400, Edward Ned Harvey wrote: From: Nicolas Williams [mailto:nicolas.willi...@oracle.com] POSIX doesn't allow us to have special dot files/directories outside filesystem root directories. So? Tell it to Netapp. They don't seem to have any problem

Re: [zfs-discuss] Mac OS X clients with ZFS server

2010-04-22 Thread Rich Teer
On Thu, 22 Apr 2010, Mike Mackovitch wrote: I would also check /var/log/system.log and /var/log/kernel.log on the Mac to see if any other useful messages are getting logged. Ah, we're getting closer. The latter shows nothing interesting, but system.log has this line appended the minute I try

Re: [zfs-discuss] Severe Problems on ZFS server

2010-04-22 Thread Andreas Höschler
Hi Bob, The problem could be due to a faulty/failing disk, a poor connection with a disk, or some other hardware issue. A failing disk can easily make the system pause temporarily like that. As root you can run '/usr/sbin/fmdump -ef' to see all the fault events as they are reported. Be

Re: [zfs-discuss] Snapshots and Data Loss

2010-04-22 Thread Geoff Nordli
From: Ross Walker [mailto:rswwal...@gmail.com] Sent: Thursday, April 22, 2010 6:34 AM On Apr 20, 2010, at 4:44 PM, Geoff Nordli geo...@grokworx.com wrote: If you combine the hypervisor and storage server and have students connect to the VMs via RDP or VNC or XDM then you will have the

Re: [zfs-discuss] Making ZFS better: zfshistory

2010-04-22 Thread A Darren Dunham
On Wed, Apr 21, 2010 at 04:49:30PM +0100, Darren J Moffat wrote: /foo is the filesystem /foo/bar is a directory in the filesystem cd /foo/bar/ touch stuff [ you wait, time passes; a snapshot is taken ] At this point /foo/bar/.snapshot/.../stuff exists Now do this: rm -rf /foo/bar

Re: [zfs-discuss] Severe Problems on ZFS server

2010-04-22 Thread Bob Friesenhahn
On Fri, 23 Apr 2010, Andreas Höschler wrote: Maybe I am lucky since I have run three VirtualBox instances at a time (2GB allocation each) on my system with no problem at all. I have inserted set zfs:zfs_arc_max = 0x2 in /etc/system and rebooted the machine having 64GB of

Re: [zfs-discuss] build a zfs continuous data replication in opensolaris

2010-04-22 Thread tranceash
Hi Andreas I will explain to you what I need . You say IMHO is simpler than AVS thats good . I have setup 2 nexentacore boxes with zfs pools and nfs on the first node. Now I need to install the open-ha cluster software with non shared disks. I now need to make zfs with nfs HA. I understand the

Re: [zfs-discuss] Oracle to no longer support ZFS on OpenSolaris?

2010-04-22 Thread BM
On Tue, Apr 20, 2010 at 2:18 PM, Ken Gunderson kgund...@teamcool.net wrote: Greetings All: Granted there has been much fear, uncertainty, and doubt following Oracle's take over of Sun, but I ran across this on a FreeBSD mailing list post dated 4/20/2010 ...Seems that Oracle won't offer

Re: [zfs-discuss] SSD best practices

2010-04-22 Thread thomas
Someone on this list threw out the idea a year or so ago to just setup 2 ramdisk servers, export a ramdisk from each and create a mirror slog from them. Assuming newer version zpools, this sounds like it could be even safer since there is (supposedly) less of a chance of catastrophic failure if

Re: [zfs-discuss] Can RAIDZ disks be slices ?

2010-04-22 Thread Haudy Kazemi
Ian Collins wrote: On 04/20/10 04:13 PM, Sunil wrote: Hi, I have a strange requirement. My pool consists of 2 500GB disks in stripe which I am trying to convert into a RAIDZ setup without data loss but I have only two additional disks: 750GB and 1TB. So, here is what I thought: 1. Carve a

Re: [zfs-discuss] SSD best practices

2010-04-22 Thread Daniel Carosone
On Thu, Apr 22, 2010 at 09:58:12PM -0700, thomas wrote: Assuming newer version zpools, this sounds like it could be even safer since there is (supposedly) less of a chance of catastrophic failure if your ramdisk setup fails. Use just one remote ramdisk or two with battery backup.. whatever