Re: [zfs-discuss] is it possible to add a mirror device later?

2008-07-06 Thread Dick Davies
Does 'zpool attach' enough for a root pool? I mean, does it install GRUB bootblocks on the disk? On Wed, Jul 2, 2008 at 1:10 PM, Robert Milkowski [EMAIL PROTECTED] wrote: Hello Tommaso, Wednesday, July 2, 2008, 1:04:06 PM, you wrote: the root filesystem of my thumper is a ZFS with a single

Re: [zfs-discuss] Microsoft WinFS for ZFS?

2008-03-17 Thread Dick Davies
Have you ever used a Mac? HFS has had these features for years. On Mon, Mar 17, 2008 at 6:33 PM, Bryan Wagoner [EMAIL PROTECTED] wrote: Actually, having a database on top of an FS is really useful. It's a Content Addressable Storage system.One of the problem home users have is that they

Re: [zfs-discuss] Yager on ZFS

2007-12-06 Thread Dick Davies
On Dec 6, 2007 1:13 AM, Bakul Shah [EMAIL PROTECTED] wrote: Note that I don't wish to argue for/against zfs/billtodd but the comment above about no *real* opensource software alternative zfs automating checksumming and simple snapshotting caught my eye. There is an open source alternative

Re: [zfs-discuss] zfs mirroring question

2007-12-05 Thread Dick Davies
On Dec 5, 2007 9:54 PM, Brian Lionberger [EMAIL PROTECTED] wrote: I create two zfs's on one pool of four disks with two mirrors, such as... / zpool create tank mirror disk1 disk2 mirror disk3 disk4 zfs create tank/fs1 zfs create tank/fs2/ Are fs1 and fs2 striped across all four disks? Yes

[zfs-discuss] CIFS and user-visible snapshots

2007-11-07 Thread Dick Davies
Does anybody know if the upcoming CIFS integration in b77 will provide a mechanism for users to see snapshots (like .zfs/snapshot/ does for NFS)? -- Rasputnik :: Jack of All Trades - Master of Nuns http://number9.hellooperator.net/ ___ zfs-discuss

Re: [zfs-discuss] [osol-help] Squid Cache on a ZFS file system

2007-10-30 Thread Dick Davies
On 29/10/2007, Tek Bahadur Limbu [EMAIL PROTECTED] wrote: I created a ZFS file system like the following with /mypool/cache being the partition for the Squid cache: 18:51:27 [EMAIL PROTECTED]:~$ zfs list NAME USED AVAIL REFER MOUNTPOINT mypool 478M

Re: [zfs-discuss] case 37962758 - zfs can't destroy Sol10U4

2007-10-16 Thread Dick Davies
On 16/10/2007, Renato Ferreira de Castro - Sun Microsystems - Gland Switzerland What he try to do : --- - re-mount and umount manually, then try to destroy. # mount -F zfs zpool_dokeos1/dokeos1/home /mnt # umount /mnt # zfs destroy dokeos1_pool/dokeos1/home cannot

Re: [zfs-discuss] zfs won't import a pool automatically at boot

2007-10-16 Thread Dick Davies
On 16/10/2007, Michael Goff [EMAIL PROTECTED] wrote: Hi, When jumpstarting s10x_u4_fcs onto a machine, I have a postinstall script which does: zpool create tank c1d0s7 c2d0s7 c3d0s7 c4d0s7 zfs create tank/data zfs set mountpoint=/data tank/data zpool export -f tank Try without the '-f'

Re: [zfs-discuss] Zone root on a ZFS filesystem and Cloning zones

2007-10-12 Thread Dick Davies
On 11/10/2007, Dick Davies [EMAIL PROTECTED] wrote: No, they aren't (i.e. zoneadm clone on S10u4 doesn't use zfs snapshots). I have a workaround I'm about to blog Here it is - hopefully be of some use: http://number9.hellooperator.net/articles/2007/10/11/fast-zone-cloning-on-solaris-10

Re: [zfs-discuss] Zone root on a ZFS filesystem and Cloning zones

2007-10-11 Thread Dick Davies
No, they aren't (i.e. zoneadm clone on S10u4 doesn't use zfs snapshots). I have a workaround I'm about to blog, the gist of which is make the 'template' zone on zfs boot, configure, etc. zonecfg -z template detach zfs snapshot tank/zones/[EMAIL PROTECTED] zfs clone tank/zones/[EMAIL PROTECTED]

Re: [zfs-discuss] Fileserver performance tests

2007-10-09 Thread Dick Davies
Hi Thomas the point I was making was that you'll see low performance figures with 100 concurrent threads. If you set nthreads to something closer to your expected load, you'll get a more accurate figure. Also, there's a new filebench out now, see

[zfs-discuss] safe zfs-level snapshots with a UFS-on-ZVOL filesystem?

2007-10-08 Thread Dick Davies
I had some trouble installing a zone on ZFS with S10u4 (bug in the postgres packages) that went away when I used a ZVOL-backed UFS filesystem for the zonepath. I thought I'd push on with the experiment (in the hope Live Upgrade would be able to upgrade such a zone). It's a bit unwieldy, but

Re: [zfs-discuss] ZFS booting with Solaris (2007-08)

2007-10-06 Thread Dick Davies
On 30/09/2007, William Papolis [EMAIL PROTECTED] wrote: OK, I guess using this ... set md:mirrored_root_flag=1 for Solaris Volume Manager (SVM) is not supported and could cause problems. I guess it's back to my first idea ... With 2 disks, setup three SDR's (State Database

Re: [zfs-discuss] When I stab myself with this knife, it hurts... But - should it kill me?

2007-10-04 Thread Dick Davies
On 04/10/2007, Nathan Kroenert [EMAIL PROTECTED] wrote: Client A - import pool make couple-o-changes Client B - import pool -f (heh) Oct 4 15:03:12 fozzie ^Mpanic[cpu0]/thread=ff0002b51c80: Oct 4 15:03:12 fozzie genunix: [ID 603766 kern.notice] assertion failed: dmu_read(os,

Re: [zfs-discuss] O.T. patches for OpenSolaris

2007-10-04 Thread Dick Davies
On 30/09/2007, William Papolis [EMAIL PROTECTED] wrote: Henk, By upgrading do you mean, rebooting and installing Open Solaris from DVD or Network? Like, no Patch Manager install some quick patches and updates and a quick reboot, right? You can live upgrade and then do a quick reboot:

Re: [zfs-discuss] Best option for my home file server?

2007-09-27 Thread Dick Davies
On 26/09/2007, Christopher [EMAIL PROTECTED] wrote: I'm about to build a fileserver and I think I'm gonna use OpenSolaris and ZFS. I've got a 40GB PATA disk which will be the OS disk, Would be nice to remove that as a SPOF. I know ZFS likes whole disks, but I wonder how much would performance

[zfs-discuss] Fwd: zoneadm clone doesn't support ZFS snapshots in

2007-09-22 Thread Dick Davies
Bah, wrong list. A timeline would be really nice for when this is likely to be sorted out - higher priority than ZFS root IMO. -- Forwarded message -- From: Dick Davies [EMAIL PROTECTED] Date: 22 Sep 2007 23:21 Subject: Re: [zfs-discuss] zoneadm clone doesn't support ZFS

[zfs-discuss] compression=on and zpool attach

2007-09-11 Thread Dick Davies
I've got 12Gb or so of db+web in a zone on a ZFS filesystem on a mirrored zpool. Noticed during some performance testing today that its i/o bound but using hardly any CPU, so I thought turning on compression would be a quick win. I know I'll have to copy files for existing data to be compressed,

Re: [zfs-discuss] compression=on and zpool attach

2007-09-11 Thread Dick Davies
On 11/09/2007, Mike DeMarco [EMAIL PROTECTED] wrote: I've got 12Gb or so of db+web in a zone on a ZFS filesystem on a mirrored zpool. Noticed during some performance testing today that its i/o bound but using hardly any CPU, so I thought turning on compression would be a quick win.

Re: [zfs-discuss] ZFS boot: another way

2007-07-03 Thread Dick Davies
I've found it's fairly easy to trim down a 'core' install, installing to a temporary UFS root, doing the ufs - zfs thing, and then re-use the old UFS slice as swap. Obviously you need a separate /boot slice in this setup. On 03/07/07, Douglas Atique [EMAIL PROTECTED] wrote: I'm afraid the

Re: [zfs-discuss] Re: ZFS usb keys

2007-06-27 Thread Dick Davies
Thanks to everyone for the sanity check - I think it's a platform issue, but not an endian one. The stick was originally DOS-formatted, and the zpool was built on the first fdisk partition. So Sparcs aren't seeing it, but the x86/x64 boxes are. -- Rasputin :: Jack of All Trades - Master of

[zfs-discuss] ZFS usb keys

2007-06-26 Thread Dick Davies
I used a zpool on a usb key today to get some core files off a non-networked Thumper running S10U4 beta. Plugging the stick into my SXCE b61 x86 machine worked fine; I just had to 'zpool import sticky' and it worked ok. But when we attach the drive to a blade 100 (running s10u3), it sees the

Re: [zfs-discuss] Mac OS X Leopard to use ZFS

2007-06-08 Thread Dick Davies
On 08/06/07, BVK [EMAIL PROTECTED] wrote: On 6/8/07, Toby Thain [EMAIL PROTECTED] wrote: When should we expect Solaris kernel under OS X? 10.6? 10.7? :-) I think its quite possible. I believe, very soon they will ditch their Mach based (?) BSD and switch to solaris. I think that's

Re: [zfs-discuss] Preparing to compare Solaris/ZFS and FreeBSD/ZFS performance.

2007-05-24 Thread Dick Davies
On 24/05/07, Brian Hechinger [EMAIL PROTECTED] wrote: I don't know about FreeBSD PORTS, but NetBSD's ports system works very well on solaris. The only thing I didn't like about it is it considers gcc a dependency to certain things, so even though I have Studio 11 installed, it would insist on

Re: [zfs-discuss] Rsync update to ZFS server over SSH faster than over NFS?

2007-05-22 Thread Dick Davies
allyourbase Take off every ZIL! http://number9.hellooperator.net/articles/2007/02/12/zil-communication /allyourbase On 22/05/07, Albert Chin [EMAIL PROTECTED] wrote: On Mon, May 21, 2007 at 06:11:36PM -0500, Nicolas Williams wrote: On Mon, May 21, 2007 at 06:09:46PM -0500, Albert Chin

Re: [zfs-discuss] Automatic rotating snapshots

2007-05-10 Thread Dick Davies
Hi Malachi Tims SMF bits work well (and also supports remote backups (via send/recv)). I use something like the process laid out at the bottom of: http://blogs.sun.com/mmusante/entry/rolling_snapshots_made_easy because it's dirt-simple and easily understandable. On 10/05/07, Malachi de

Re: [zfs-discuss] Re: ZFS for Linux (NO LISCENCE talk, please)

2007-04-17 Thread Dick Davies
On 17/04/07, Erik Trimble [EMAIL PROTECTED] wrote: And, frankly, I can think of several very good reasons why Sun would NOT want to release a ZFS under the GPL Not to mention the knock-on effects of those already using ZFS (apple, BSD) who would be adversely affected by a GPL license. --

Re: [zfs-discuss] ZFS and Linux

2007-04-13 Thread Dick Davies
On 13/04/07, Toby Thain [EMAIL PROTECTED] wrote: Those who promulgate the tag for whatever motive - often agencies of Microsoft - have all foundered on the simple fact that the GPL applies ONLY to MY code as licensor (*and modifications thereto*); it has absolutely nothing to say about what you

Re: [zfs-discuss] status of zfs boot netinstall kit

2007-04-13 Thread Dick Davies
On 13/04/07, Lori Alt [EMAIL PROTECTED] wrote: sparc support is in the works. We're waiting on some other development work going on right now in the area of sparc booting in general (not specific to zfs booting, although the zfs boot loader is part of that project). I can't give you a date

Re: [zfs-discuss] Recommended setup?

2007-03-17 Thread Dick Davies
Just saw a message on xen-discuss that HVM is in the next version (b60-ish). On 15/03/07, Dick Davies [EMAIL PROTECTED] wrote: I don't Solaris dom0 does Pacifica (amd-v) yet. That would rule out windows for now. You can run centOS zones on SXCR. That just leaves freebsd (which hasn't got

Re: [zfs-discuss] Recommended setup?

2007-03-15 Thread Dick Davies
I don't Solaris dom0 does Pacifica (amd-v) yet. That would rule out windows for now. You can run centOS zones on SXCR. That just leaves freebsd (which hasn't got fantastic xen support either, despite Kip Macys excellent work). Unless you've got an app that needs that, zones sound like a much

Re: [zfs-discuss] Re: Re: update on zfs boot support

2007-03-12 Thread Dick Davies
On 12/03/07, Darren Dunham [EMAIL PROTECTED] wrote: On Sun, Mar 11, 2007 at 11:21:13AM -0700, Frank Cusack wrote: On March 11, 2007 6:05:13 PM + Tim Foster [EMAIL PROTECTED] wrote: * ability to add disks to mirror the root filesystem at any time, should they become available

Re: [zfs-discuss] NFS share problem with mac os x client

2007-02-08 Thread Dick Davies
OSX *loves* NFS - it's a lot faster than Samba - but you need a bit of extra work. You need a user on the other end with the right uid and gid (assuming you're using NFSv3 - you probably are). Have a look at :

Re: [zfs-discuss] Re: Adding my own compression to zfs

2007-01-29 Thread Dick Davies
Have a look at: http://blogs.sun.com/ahl/entry/a_little_zfs_hack On 27/01/07, roland [EMAIL PROTECTED] wrote: is it planned to add some other compression algorithm to zfs ? lzjb is quite good and especially performing very well, but i`d like to have better compression (bzip2?) - no matter

Re: [zfs-discuss] Re: How much do we really want zpool remove?

2007-01-26 Thread Dick Davies
On 25/01/07, Brian Hechinger [EMAIL PROTECTED] wrote: The other point is, how many other volume management systems allow you to remove disks? I bet if the answer is not zero, it's not large. ;) Even Linux LVM can do this (with pvmove) - slow, but you can do it online. -- Rasputin :: Jack

Re: [zfs-discuss] zpool split

2007-01-24 Thread Dick Davies
On 23/01/07, Darren J Moffat [EMAIL PROTECTED] wrote: Can you pick another name for this please because that name has already been suggested for zfs(1) where the argument is a directory in an existing ZFS file system and the result is that the directory becomes a new ZFS file system while

Re: [zfs-discuss] zpool split

2007-01-24 Thread Dick Davies
On 25/01/07, Adam Leventhal [EMAIL PROTECTED] wrote: On Wed, Jan 24, 2007 at 08:52:47PM +, Dick Davies wrote: that's an excellent feature addition, look forward to it. Will it be accompanied by a 'zfs join'? Out of curiosity, what will you (or anyone else) use this for? If the idea

Re: [zfs-discuss] iSCSI on a single interface?

2007-01-19 Thread Dick Davies
On 15/01/07, Rick McNeal [EMAIL PROTECTED] wrote: On Jan 15, 2007, at 8:34 AM, Dick Davies wrote: For the record, the reason I asked was we have an iscsi target host with 2 NICs and for some reason clients were attempting to connect to the targets on the private interface instead

Re: [zfs-discuss] How much do we really want zpool remove?

2007-01-18 Thread Dick Davies
On 18/01/07, Jeremy Teo [EMAIL PROTECTED] wrote: On the issue of the ability to remove a device from a zpool, how useful/pressing is this feature? Or is this more along the line of nice to have? It's very useful if you accidentally create a concat rather than mirror of an existing zpool.

Re: [zfs-discuss] iSCSI on a single interface?

2007-01-18 Thread Dick Davies
On 15/01/07, Rick McNeal [EMAIL PROTECTED] wrote: On Jan 15, 2007, at 8:34 AM, Dick Davies wrote: Hi, are there currently any plans to make an iSCSI target created by setting shareiscsi=on on a zvol bindable to a single interface (setting tpgt or acls)? We're working on some more

[zfs-discuss] iSCSI on a single interface?

2007-01-15 Thread Dick Davies
Hi, are there currently any plans to make an iSCSI target created by setting shareiscsi=on on a zvol bindable to a single interface (setting tpgt or acls)? I can cobble something together with ipfilter, but that doesn't give me enough granularity to say something like: 'host a can see target 1,

Re: [zfs-discuss] creating zvols in a non-global zone (or 'Doctor, it hurts when I do this')

2006-12-21 Thread Dick Davies
On 06/09/06, Eric Schrock [EMAIL PROTECTED] wrote: On Wed, Sep 06, 2006 at 04:23:32PM +0100, Dick Davies wrote: a) prevent attempts to create zvols in non-global zones b) somehow allow it (?) or c) Don't do That I vote for a) myself - should I raise an RFE? Yes, that was _supposed_

Re: [zfs-discuss] Re: Production ZFS Server Death (06/06)

2006-12-02 Thread Dick Davies
On 02/12/06, Chad Leigh -- Shire.Net LLC [EMAIL PROTECTED] wrote: On Dec 2, 2006, at 10:56 AM, Al Hopper wrote: On Sat, 2 Dec 2006, Chad Leigh -- Shire.Net LLC wrote: On Dec 2, 2006, at 6:01 AM, [EMAIL PROTECTED] wrote: When you have subtle corruption, some of the data and meta data

Re: [zfs-discuss] How do I obtain zfs with spare implementation?

2006-11-30 Thread Dick Davies
On 30/11/06, Michael Barto [EMAIL PROTECTED] wrote: I would like to update some of our Solaris 10 OS systems to the new zfs file system that supports spares. The Solaris 6/06 version does have zfs but does not have this feature. What is the best way to upgrade to this functionality? Hot

Re: [zfs-discuss] 'legacy' vs 'none'

2006-11-29 Thread Dick Davies
On 28/11/06, Terence Patrick Donoghue [EMAIL PROTECTED] wrote: Is there a difference - Yep, 'legacy' tells ZFS to refer to the /etc/vfstab file for FS mounts and options whereas 'none' tells ZFS not to mount the ZFS filesystem at all. Then you would need to manually mount the ZFS using 'zfs set

[zfs-discuss] 'legacy' vs 'none'

2006-11-28 Thread Dick Davies
Is there a difference between setting mountpoint=legacy and mountpoint=none? -- Rasputin :: Jack of All Trades - Master of Nuns http://number9.hellooperator.net/ ___ zfs-discuss mailing list zfs-discuss@opensolaris.org

[zfs-discuss] Re: 'legacy' vs 'none'

2006-11-28 Thread Dick Davies
zoneadm: zone ganesh failed to verify vera / # zfs set mountpoint=none tank/delegated/ganesh vera / # zoneadm -z ganesh boot vera / # On 28/11/06, Dick Davies [EMAIL PROTECTED] wrote: Is there a difference between setting mountpoint=legacy and mountpoint=none? -- Rasputin :: Jack of All Trades

Re: [zfs-discuss] How to backup/clone all filesystems *and* snapshots in a zpool?

2006-11-16 Thread Dick Davies
On 16/11/06, Peter Eriksson [EMAIL PROTECTED] wrote: Is there some way to dump all information from a ZFS filesystem? I suppose I *could* backup the raw disk devices that is used by the zpool but that'll eat up a lot of tape space... If you want to have another copy somewhere, use zfs

Fwd: [zfs-discuss] Thoughts on patching + zfs root

2006-11-15 Thread Dick Davies
On 14/11/06, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote: Actually, we have considered this. On both SPARC and x86, there will be a way to specify the root file system (i.e., the bootable dataset) to be booted, at either the GRUB prompt (for x86) or the OBP prompt (for SPARC). If no root file

Re: [zfs-discuss] Thoughts on patching + zfs root

2006-11-15 Thread Dick Davies
On 15/11/06, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote: I suppose it depends how 'catastrophic' the failture is, but if it's very low level, booting another root probabyl won't help, and if it's too high level, how will you detect it (i.e. you've booted the kernel, but it is buggy). If it

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

2006-11-01 Thread Dick Davies
On 01/11/06, Adam Leventhal [EMAIL PROTECTED] wrote: Rick McNeal and I have been working on building support for sharing ZVOLs as iSCSI targets directly into ZFS. Below is the proposal I'll be submitting to PSARC. Comments and suggestions are welcome. Adam Am I right in thinking we're

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

2006-11-01 Thread Dick Davies
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 is zero-filled before going online (educated guess

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

2006-11-01 Thread Dick Davies
On 01/11/06, Rick McNeal [EMAIL PROTECTED] wrote: I too must be missing something. I can't imagine why it would take 5 minutes to online a target. A ZVOL should automatically be brought online since now initialization is required. s/now/no/ ? Thanks for the explanation. The '5 minute online'

Re: [zfs-discuss] Current status of a ZFS root

2006-10-28 Thread Dick Davies
On 27/10/06, Christopher Scott [EMAIL PROTECTED] wrote: You can manually set up a ZFS root environment but it requires a UFS partition to boot off of. See: http://blogs.sun.com/tabriz/entry/are_you_ready_to_rumble There's a slightly improved procedure at

[zfs-discuss] zfs set sharenfs=on

2006-10-24 Thread Dick Davies
I started sharing out zfs filesystems via NFS last week using sharenfs=on. That seems to work fine until I reboot. Turned out the NFS server wasn't enabled - I had to enable nfs/server, nfs/lockmgr and nfs/status manually. This is a stock SXCR b49 (ZFS root) install - don't think I'd changed

Re: [zfs-discuss] zfs set sharenfs=on

2006-10-24 Thread Dick Davies
On 24/10/06, Eric Schrock [EMAIL PROTECTED] wrote: On Tue, Oct 24, 2006 at 08:01:21PM +0100, Dick Davies wrote: Shouldn't a ZFS share be permanently enabling NFS? # svcprop -p application/auto_enable nfs/server true This property indicates that regardless of the current

Re: [zfs-discuss] Where is the ZFS configuration data stored?

2006-10-15 Thread Dick Davies
On 14/10/06, Darren Dunham [EMAIL PROTECTED] wrote: So the warnings I've heard no longer apply? If so, that's great. Thanks for all replies. Umm, which warnings? The don't import a pool on two hosts at once definitely still applies. Sure :) I meant the reason I'd heard ( at

Re: [zfs-discuss] Where is the ZFS configuration data stored?

2006-10-14 Thread Dick Davies
On 12/10/06, Michael Schuster [EMAIL PROTECTED] wrote: Ceri Davies wrote: On Thu, Oct 12, 2006 at 02:06:15PM +0100, Dick Davies wrote: I'd expect: zpool import -f (see the manpage) to probe /dev/dsk/ and rebuild the zpool.cache file, but my understanding is that this a) doesn't work

Re: [zfs-discuss] Re: ZFS Inexpensive SATA Whitebox

2006-10-12 Thread Dick Davies
On 11/10/06, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote: Dick Davies wrote: On 11/10/06, Peter van Gemert [EMAIL PROTECTED] wrote: You might want to check the HCL at http://www.sun.com/bigadmin/hcl to find out which hardware is supported by Solaris 10. I tried that myself

Re: [zfs-discuss] Where is the ZFS configuration data stored?

2006-10-12 Thread Dick Davies
On 12/10/06, Matthew Ahrens [EMAIL PROTECTED] wrote: FYI, /etc/zfs/zpool.cache just tells us what pools to open when you boot up. Everything else (mountpoints, filesystems, etc) is stored in the pool itself. Does anyone know of any plans or strategies to remove this dependancy? -- Rasputin

Re: [zfs-discuss] Where is the ZFS configuration data stored?

2006-10-12 Thread Dick Davies
On 12/10/06, Michael Schuster [EMAIL PROTECTED] wrote: James C. McPherson wrote: Dick Davies wrote: On 12/10/06, Matthew Ahrens [EMAIL PROTECTED] wrote: FYI, /etc/zfs/zpool.cache just tells us what pools to open when you boot up. Everything else (mountpoints, filesystems, etc) is stored

Re: [zfs-discuss] Where is the ZFS configuration data stored?

2006-10-12 Thread Dick Davies
On 12/10/06, Ceri Davies [EMAIL PROTECTED] wrote: On Wed, Oct 11, 2006 at 11:49:48PM -0700, Matthew Ahrens wrote: FYI, /etc/zfs/zpool.cache just tells us what pools to open when you boot up. Everything else (mountpoints, filesystems, etc) is stored in the pool itself. What happens if the

Re: [zfs-discuss] zfs mirror resurrection

2006-10-06 Thread Dick Davies
On 05/10/06, Richard Elling - PAE [EMAIL PROTECTED] wrote: Dick Davies wrote: I very foolishly decided to mirror /grub using SVM (so I could boot easily if a disk died). Shrank swap partitions to make somewhere to keep the SVM database (2 copies on each disk). D'oh! N.B. this isn't

Re: [zfs-discuss] Snapshotting a pool ?

2006-09-29 Thread Dick Davies
Would 'zfs snapshot -r poolname' achieve what you want? On 29/09/06, Patrick [EMAIL PROTECTED] wrote: Hi, Is it possible to create a snapshot, for ZFS send purposes, of an entire pool ? -- Rasputin :: Jack of All Trades - Master of Nuns http://number9.hellooperator.net/

Re: [zfs-discuss] Possible file corruption on a ZFS mirror

2006-09-19 Thread Dick Davies
That looks a bit serious - did you say both disks are on the same SATA controller? On 19/09/06, Ian Collins [EMAIL PROTECTED] wrote: # zpool status -v pool: tank state: ONLINE status: One or more devices has experienced an error resulting in data corruption. Applications may be

Re: [zfs-discuss] Re: Re: Re: Proposal: multiple copies of user data

2006-09-13 Thread Dick Davies
On 13/09/06, Matthew Ahrens [EMAIL PROTECTED] wrote: Dick Davies wrote: But they raise a lot of administrative issues Sure, especially if you choose to change the copies property on an existing filesystem. However, if you only set it at filesystem creation time (which is the recommended

[zfs-discuss] 'zfs mirror as backup' status?

2006-09-13 Thread Dick Davies
Since we were just talking about resilience on laptops, I wondered if it there had been any progress in sorting some of the glitches that were involved in: http://www.opensolaris.org/jive/thread.jspa?messageID=25144#25144 ? -- Rasputin :: Jack of All Trades - Master of Nuns

Re: [zfs-discuss] Proposal: multiple copies of user data

2006-09-12 Thread Dick Davies
On 12/09/06, Matthew Ahrens [EMAIL PROTECTED] wrote: Here is a proposal for a new 'copies' property which would allow different levels of replication for different filesystems. Your comments are appreciated! Flexibility is always nice, but this seems to greatly complicate things, both

Re: [zfs-discuss] Proposal: multiple copies of user data

2006-09-12 Thread Dick Davies
On 12/09/06, Darren J Moffat [EMAIL PROTECTED] wrote: Dick Davies wrote: The only real use I'd see would be for redundant copies on a single disk, but then why wouldn't I just add a disk? Some systems have physical space for only a single drive - think most laptops! True - I'm a laptop

Re: [zfs-discuss] Re: Proposal: multiple copies of user data

2006-09-12 Thread Dick Davies
On 12/09/06, Celso [EMAIL PROTECTED] wrote: One of the great things about zfs, is that it protects not just against mechanical failure, but against silent data corruption. Having this available to laptop owners seems to me to be important to making zfs even more attractive. I'm not arguing

Re: [zfs-discuss] Re: Re: Proposal: multiple copies of user data

2006-09-12 Thread Dick Davies
On 12/09/06, Celso [EMAIL PROTECTED] wrote: ...you split one disk in two. you then have effectively two partitions which you can then create a new mirrored zpool with. Then everything is mirrored. Correct? Everything in the filesystems in the pool, yes. With ditto blocks, you can

Re: [zfs-discuss] Re: Re: Re: Proposal: multiple copies of user data

2006-09-12 Thread Dick Davies
On 12/09/06, Celso [EMAIL PROTECTED] wrote: I think it has already been said that in many peoples experience, when a disk fails, it completely fails. Especially on laptops. Of course ditto blocks wouldn't help you in this situation either! Exactly. I still think that silent data

[zfs-discuss] zoned datasets in zfs list

2006-09-06 Thread Dick Davies
Just did my first dataset delegation, so be gentle :) Was initially terrified to see that changes to the mountpoint in the non-global zone were visible in the global zone. Then I realised it wasn't actually mounted (except in the delegated zone). But I couldn't see any obvious indication that

Re: [zfs-discuss] Re: Re: datasets,zones and mounts

2006-09-06 Thread Dick Davies
On 06/09/06, Kenneth Mikelinich [EMAIL PROTECTED] wrote: Are you suggesting that I not get too granular with datasets and use a higher level one versus several? I tihnk what he's saying is you should only have to delegate one dataset (telecom/oracle/production, for example), and all the

[zfs-discuss] creating zvols in a non-global zone (or 'Doctor, it hurts when I do this')

2006-09-06 Thread Dick Davies
A colleague just asked if zfs delegation worked with zvols too. Thought I'd give it a go and got myself in a mess (tank/linkfixer is the delegated dataset): [EMAIL PROTECTED] / # zfs create -V 500M tank/linkfixer/foo cannot create device links for 'tank/linkfixer/foo': permission denied cannot

Re: [zfs-discuss] zoned datasets in zfs list

2006-09-06 Thread Dick Davies
On 06/09/06, Eric Schrock [EMAIL PROTECTED] wrote: On Wed, Sep 06, 2006 at 03:53:52PM +0100, Dick Davies wrote: That's a bit nicer, thanks. Still not that clear which zone they belong to though - would it be an idea to add a 'zone' property be a string == zonename ? Yes, this is possible

Re: [zfs-discuss] ZFS + rsync, backup on steroids.

2006-08-30 Thread Dick Davies
On 30/08/06, Matthew Ahrens [EMAIL PROTECTED] wrote: 'zfs send' is *incredibly* faster than rsync. That's interesting. We had considered it as a replacement for a certain task (publishing a master docroot to multiple webservers) but a quick test with ~500Mb of data showed the zfs send/recv to

Re: [zfs-discuss] Re: SCSI synchronize cache cmd

2006-08-22 Thread Dick Davies
On 22/08/06, Bill Moore [EMAIL PROTECTED] wrote: On Mon, Aug 21, 2006 at 02:40:40PM -0700, Anton B. Rang wrote: Yes, ZFS uses this command very frequently. However, it only does this if the whole disk is under the control of ZFS, I believe; so a workaround could be to use slices rather than

Re: [zfs-discuss] Porting ZFS file system to FreeBSD.

2006-08-22 Thread Dick Davies
This is fantastic work! How long have you been at it? You seem a lot further on than the ZFS-Fuse project. On 22/08/06, Pawel Jakub Dawidek [EMAIL PROTECTED] wrote: Hi. I started porting the ZFS file system to the FreeBSD operating system. There is a lot to do, but I'm making good progress,

Re: [zfs-discuss] ZFS Boot Disk

2006-08-18 Thread Dick Davies
On 18/08/06, Lori Alt [EMAIL PROTECTED] wrote: No, zfs boot will be supported on both x86 and sparc. Sparc's OBP, and various x86 BIOS's both have restrictions on the devices that can be accessed at boot time, so we need to limit the devices in a root pool on both architectures. Gotcha. I

Re: [zfs-discuss] How to monitor ZFS ?

2006-07-16 Thread Dick Davies
On 15/07/06, Torrey McMahon [EMAIL PROTECTED] wrote: eric kustarz wrote: martin wrote: To monitor activity, use 'zpool iostat 1' to monitor just zfs datasets, or iostat(1M) to include non-zfs devices. Perhaps Martin was asking for something a little more robust. Something like SNMP traps,

Re: [zfs-discuss] Removing a device from a zfs pool

2006-07-13 Thread Dick Davies
On 13/07/06, Yacov Ben-Moshe [EMAIL PROTECTED] wrote: How can I remove a device or a partition from a pool. NOTE: The devices are not mirrored or raidz Then you can't - there isn't a 'zfs remove' command yet. -- Rasputin :: Jack of All Trades - Master of Nuns http://number9.hellooperator.net/

[zfs-discuss] Re: Thumper on (next) Tuesday?

2006-07-11 Thread Dick Davies
Well, glue a beard on me and call me Nostradamus : http://blogs.sun.com/roller/page/jonathan?entry=the_rise_of_the_general On 03/07/06, Dick Davies [EMAIL PROTECTED] wrote: With ZFS officially supported now, I'd say The Stars Are Right -- Rasputin :: Jack of All Trades - Master of Nuns

[zfs-discuss] Thumper on (next) Tuesday?

2006-07-03 Thread Dick Davies
baseless_speculation Notice there's a product announcement on Tuesday: http://www.prnewswire.com/cgi-bin/stories.pl?ACCT=104STORY=/www/story/06-30-2006/0004390495EDATE= and Jonathan mentioned Thumper was due for release at the end of june:

Re: [zfs-discuss] disk evacuate

2006-06-27 Thread Dick Davies
Just wondered if there'd been any progress in this area? Correct me if i'm wrong, but as it stands, there's no way to remove a device you accidentally 'zpool add'ed without destroying the pool. On 12/06/06, Gregory Shaw [EMAIL PROTECTED] wrote: Yes, if zpool remove works like you describe, it

[zfs-discuss] recommended hardware for a zfs/nfs NAS?

2006-06-23 Thread Dick Davies
I was wondering if anyone could recommend hardware forr a ZFS-based NAS for home use. The 'zfs on 32-bit' thread has scared me of a mini-itx fanless setup, so I'm looking at sparc or opteron. Ideally it would: a) run quiet (blade 100/150 is ok, x4100 ain't :) ) b) take advantage of cheap disks

Re: [zfs-discuss] disk evacuate

2006-06-11 Thread Dick Davies
On 11/06/06, Gregory Shaw [EMAIL PROTECTED] wrote: Pardon me if this scenario has been discussed already, but I haven't seen anything as yet. I'd like to request a 'zpool evacuate pool device' command. 'zpool evacuate' would migrate the data from a disk device to other disks in the pool.

Re: [zfs-discuss] zfs root eta?

2006-05-15 Thread Dick Davies
On 15/05/06, Tabriz Leman [EMAIL PROTECTED] wrote: For those who haven't already gone through the painful manual process of setting up a ZFS Root, Tim Foster has put together a script. It is available on his blog (http://blogs.sun.com/roller/page/timf/20060425). I haven't tried it out, but am