Re: [zfs-discuss] Backup/Restore

2008-11-03 Thread Cesare
On Mon, Nov 3, 2008 at 6:17 AM, Richard Elling [EMAIL PROTECTED]wrote: Cesare wrote: Hi all, I've recently started down to put on production use for zfs and I'm looking to how doing a backup of filesystem. I've more than one server to migrate to ZFS and not so more server where there is a

[zfs-discuss] Zpool with raidz+mirror = wrong size displayed?

2008-11-03 Thread George
Hi, I installed a zpool containing of zpool __mirror disk1 500gb disk2 500gb __raidz disk3 1tb disk4 1tb disk5 1tb It works fine, but it displays the wrong size (terminal - zpool list). It should be 500gb (mirrored) + 2TB (3TB raidz) = 2,5 TB, right? But it displays it has

Re: [zfs-discuss] zfs compression - btrfs compression

2008-11-03 Thread Robert Milkowski
Hello Darren, Monday, November 3, 2008, 12:44:29 PM, you wrote: DJM Robert Milkowski wrote: Hello zfs-discuss, http://git.kernel.org/?p=linux/kernel/git/mason/btrfs-unstable-standalone.git;a=commit;h=eecfe5255c533fefd38072a04e4afb56c40d9719 If compression for a given set of pages fails to

Re: [zfs-discuss] questions on zfs send,receive,backups

2008-11-03 Thread Darren J Moffat
Ross wrote: Ok, I see where you're coming from now, but what you're talking about isn't zfs send / receive. If I'm interpreting correctly, you're talking about a couple of features, neither of which is in ZFS yet, and I'd need the input of more technical people to know if they are

Re: [zfs-discuss] cleaning user properties

2008-11-03 Thread Pawel Jakub Dawidek
On Mon, Nov 03, 2008 at 11:47:19AM +0100, Luca Morettoni wrote: I have a little question about user properties, I have two filesystems: rpool/export/home/luca and rpool/export/home/luca/src in this two I have one user property, setted with: zfs set net.morettoni:test=xyz

Re: [zfs-discuss] zfs compression - btrfs compression

2008-11-03 Thread Darren J Moffat
Robert Milkowski wrote: Hello zfs-discuss, http://git.kernel.org/?p=linux/kernel/git/mason/btrfs-unstable-standalone.git;a=commit;h=eecfe5255c533fefd38072a04e4afb56c40d9719 If compression for a given set of pages fails to make them smaller, the file is flagged to avoid future compression

Re: [zfs-discuss] questions on zfs send,receive,backups

2008-11-03 Thread Richard Elling
Ross Smith wrote: Hi Darren, That's storing a dump of a snapshot on external media, but files within it are not directly accessible. The work Tim et all are doing is actually putting a live ZFS filesystem on external media and sending snapshots to it. Cognitive disconnect, again.

Re: [zfs-discuss] questions on zfs send,receive,backups

2008-11-03 Thread Ross Smith
Snapshots are not replacements for traditional backup/restore features. If you need the latter, use what is currently available on the market. -- richard I'd actually say snapshots do a better job in some circumstances. Certainly they're being used that way by the desktop team:

Re: [zfs-discuss] cleaning user properties

2008-11-03 Thread Luca Morettoni
On 11/03/08 14:35, Mark J Musante wrote: There currently is no way to do it. I looked for an existing CR and couldn't find one, so I submitted 6766756 want 'zfs unset'. I found a little workaround about that: zfs inherit net.morettoni:test rpool/export/home/luca zfs inherit

[zfs-discuss] zfs compression - btrfs compression

2008-11-03 Thread Robert Milkowski
Hello zfs-discuss, http://git.kernel.org/?p=linux/kernel/git/mason/btrfs-unstable-standalone.git;a=commit;h=eecfe5255c533fefd38072a04e4afb56c40d9719 If compression for a given set of pages fails to make them smaller, the file is flagged to avoid future compression attempts later. Maybe that's a

Re: [zfs-discuss] questions on zfs send,receive,backups

2008-11-03 Thread Richard Elling
Ross Smith wrote: Snapshots are not replacements for traditional backup/restore features. If you need the latter, use what is currently available on the market. -- richard I'd actually say snapshots do a better job in some circumstances. Certainly they're being used that way by the

Re: [zfs-discuss] questions on zfs send,receive,backups

2008-11-03 Thread Ross Smith
If the file still existed, would this be a case of redirecting the file's top level block (dnode?) to the one from the snapshot? If the file had been deleted, could you just copy that one block? Is it that simple, or is there a level of interaction between files and snapshots that I've

Re: [zfs-discuss] zones/zonerootA,B,C

2008-11-03 Thread dick hoogendijk
Ian Collins wrote: On Mon 03/11/08 08:11 , dick hoogendijk [EMAIL PROTECTED] sent: Live Upgrade does -NOT- do this on my system. Did you follow the instructions at http://docs.sun.com/app/docs/doc/819-5461/ggpdm?a=view I read the instructions again, but to no avail. never mind though. the

Re: [zfs-discuss] cleaning user properties

2008-11-03 Thread Eric Schrock
This doesn't make much sense. All user properties are inheritable, so you control them just like you do any other property. For example, there is no way to unset sharenfs on a child filesystem once it's inherited - you need to explicitly set it to some value other than its parent. For user

Re: [zfs-discuss] Files from the future are not accessible on ZFS

2008-11-03 Thread Mark Shellenbaum
Laurent Blume wrote: Hi all, It seems a user managed to create files dated Oct 16, 2057, from a Linux distro that mounted by NFS the volumes on an x2100 server running S10U5, with ZFS volumes. The problem is, those files are completely unreachable on the S10 server: # ls -l

Re: [zfs-discuss] questions on zfs send,receive,backups

2008-11-03 Thread Philip Brown
If I'm interpreting correctly, you're talking about a couple of features, neither of which is in ZFS yet, ... 1. The ability to restore individual files from a snapshot, in the same way an entire snapshot is restored - simply using the blocks that are already stored. 2. The ability

Re: [zfs-discuss] zfs compression - btrfs compression

2008-11-03 Thread Bob Friesenhahn
On Mon, 3 Nov 2008, Robert Milkowski wrote: Now, the good filter could be to use MAGIC numbers within files or approach btrfs come up with, or maybe even both combined. You are suggesting that ZFS should detect a GIF or JPEG image stored in a database BLOB. That is pretty fancy functionality.

Re: [zfs-discuss] zfs compression - btrfs compression

2008-11-03 Thread Darren J Moffat
Bob Friesenhahn wrote: On Mon, 3 Nov 2008, Robert Milkowski wrote: Maybe that's a good one - so if couple of blocks do not compress then flag it in file metadata and do not try to compress any blocks within the file anymore. Of course for some files it will be suboptimal so maybe a dataset

Re: [zfs-discuss] zfs compression - btrfs compression

2008-11-03 Thread Bob Friesenhahn
On Mon, 3 Nov 2008, Robert Milkowski wrote: Maybe that's a good one - so if couple of blocks do not compress then flag it in file metadata and do not try to compress any blocks within the file anymore. Of course for some files it will be suboptimal so maybe a dataset option? This is

Re: [zfs-discuss] Files from the future are not accessible on ZFS

2008-11-03 Thread Joerg Schilling
Laurent Blume [EMAIL PROTECTED] wrote: Hi all, It seems a user managed to create files dated Oct 16, 2057, from a Linux distro that mounted by NFS the volumes on an x2100 server running S10U5, with ZFS volumes. The problem is, those files are completely unreachable on the S10 server:

Re: [zfs-discuss] questions on zfs send,receive,backups

2008-11-03 Thread Ross Smith
Hi Darren, That's storing a dump of a snapshot on external media, but files within it are not directly accessible. The work Tim et all are doing is actually putting a live ZFS filesystem on external media and sending snapshots to it. A live ZFS filesystem is far more useful (and reliable) than

Re: [zfs-discuss] Files from the future are not accessible on ZFS

2008-11-03 Thread Laurent Blume
I see, thanks. And as Jörg said, I only need a 64 bit binary. I didn't know, but there is one for ls, and it does work as expected: $ /usr/bin/amd64/ls -l .gtk-bookmarks -rw-r--r-- 1 user opc0 oct. 16 2057 .gtk-bookmarks This is a bit absurd. I thought Solaris was fully 64 bit.

Re: [zfs-discuss] questions on zfs send,receive,backups

2008-11-03 Thread Ross
Ok, I think I understand. You're going to be told that ZFS send isn't a backup (and for these purposes I definately agree), but if we ignore that this sounds like you're talking about restoring a snapshot from an external media, and then running a clone off that. Clone's are already

Re: [zfs-discuss] questions on zfs send,receive,backups

2008-11-03 Thread Neal Pollack
On 11/03/08 13:18, Philip Brown wrote: Ok, I think I understand. You're going to be told that ZFS send isn't a backup (and for these purposes I definately agree), ... Hmph. well, even for 'replication' type purposes, what I'm talking about is quite useful. Picture two remote systems,

[zfs-discuss] FIXED: Re: ZFS Pool can't be imported on fresh install with one broken vdev

2008-11-03 Thread Christian Walther
Okay, I found out what the problem was: As I expected in my last post ZFS didn't like the idea of having another disk containing a running zpool on a location that was previously occupied by a disk that died. Last weekend I created a few snapshots to be moved to another disk, so today I was

Re: [zfs-discuss] questions on zfs send,receive,backups

2008-11-03 Thread Philip Brown
Ok, I think I understand. You're going to be told that ZFS send isn't a backup (and for these purposes I definately agree), ... Hmph. well, even for 'replication' type purposes, what I'm talking about is quite useful. Picture two remote systems, which happen to have mostly identical data.

[zfs-discuss] FYI - proposing storage pm project

2008-11-03 Thread Yuan Chu
Hi, The attached project has been proposed to the OpenSolaris PM community. thanks, -jane -- This message posted from opensolaris.orgStorage PM Project == Currently, the main challenges in power managing disks on server platforms are the issues of latency and

[zfs-discuss] is putting zone paths on zfs supported in Solaris 10 u5/u6 ?? Documentation on that? - 66124245

2008-11-03 Thread Brian Henchey
ZFS experts! cu is looking for _documentation_ about putting zone paths on zfs. cu is running 5.10 KP 137111-06. he needs to make sure u5 kp is ok with zone roots. Also has FSs mounted via legacy. So...anybody have documentation on which u5 or u6 of Solaris (NOT OpenSolaris) supports

Re: [zfs-discuss] FYI - proposing storage pm project

2008-11-03 Thread Jens Elkner
On Mon, Nov 03, 2008 at 02:54:10PM -0800, Yuan Chu wrote: Hi, a disk may take seconds or even tens of seconds to come on line if it needs to be powered up and spin up. Yes - I really hate this on my U40 and tried to disable PM for HDD[s] completely. However, haven't found a way to do

Re: [zfs-discuss] is putting zone paths on zfs supported in Solaris 10 u5/u6 ?? Documentation on that? - 66124245

2008-11-03 Thread Ian Collins
On Tue 04/11/08 12:29 , Brian Henchey [EMAIL PROTECTED] sent: ZFS experts! cu is looking for _documentation_ about putting zone paths on zfs. cu is running 5.10 KP 137111-06. he needs to make sure u5 kp is ok with zone roots. Also has FSs mounted via legacy. So...anybody have

[zfs-discuss] Bizarre S10U5 / zfs / iscsi / thumper / Oracle RAC problem

2008-11-03 Thread George William Herbert
I'm looking for any pointers or advice on what might have happened to cause the following problem... Setup: Two X4500 / Sol 10 U5 iSCSI servers, four T1000 S10 U4 - U5 Oracle RAC DB heads iSCSI clients. iSCSI set up using zfs volumes, set shareiscsi=on, (slightly wierd thing) partitioned

Re: [zfs-discuss] Booting 0811 from USB Stick

2008-11-03 Thread W. Wayne Liauh
I was able to install os0805 into a USB stick and boot from it. It works really great. However, after image-updating to build 95, I am only seeing the GRUB prompt. I have also installed the 0811_95 LiveDVD into a USB stick, but the machine just keeps rebooting itself. Anyone has any

Re: [zfs-discuss] zfs compression - btrfs compression

2008-11-03 Thread przemolicc
On Mon, Nov 03, 2008 at 12:33:52PM -0600, Bob Friesenhahn wrote: On Mon, 3 Nov 2008, Robert Milkowski wrote: Now, the good filter could be to use MAGIC numbers within files or approach btrfs come up with, or maybe even both combined. You are suggesting that ZFS should detect a GIF or JPEG