Re: [zfs-discuss] Downsides to zone roots on ZFS?

2007-02-07 Thread Rich Teer
On Wed, 7 Feb 2007, Jerry Jelinek wrote: > Just to be clear, both live-upgrade and the mini-root upgrade > do not yet know about zfs so if you place your zones on zfs, > you won't be able to do either style of upgrade until that is fixed. Understood; that won't be an issue for me. Many thanks fo

Re: [zfs-discuss] rewrite-style scrubbing...

2007-02-07 Thread Henk Langeveld
Richard Elling wrote: In the disk, at the disk block level, there is fairly substantial ECC. Yet, we still see data loss. There are many mechanisms at work here. One that we have studied to some detail is superparamagnetic decay -- the medium wishes to decay to a lower-enegy state, losing info

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

2007-02-07 Thread Robert Milkowski
Hello Kevin, Wednesday, February 7, 2007, 9:39:35 PM, you wrote: KB> Hello, I test right now the beauty of zfs. I have installed KB> opensolaris on a spare server to test nfs exports. After creating KB> tank1 with zpool and a subfilesystem with zfs tank1/nfsshare, I KB> have set the option sharen

Re: [zfs-discuss] ZFS Degraded Disks

2007-02-07 Thread Robert Milkowski
Hello Kory, Wednesday, February 7, 2007, 9:03:38 PM, you wrote: KW> What are the necessary steps to try to troubleshoot a degraded KW> disk, and also what are the steps for replacing a disk in a ZFS mirrored pool. KW> I have a identical disk, but it has UFS filesystem on it,(but KW> not used

Re: [zfs-discuss] Downsides to zone roots on ZFS?

2007-02-07 Thread Rich Teer
On Wed, 7 Feb 2007, Jerry Jelinek wrote: > This is incorrect. All S10 updates have supported upgrading systems > with zones. I believe what you are thinking of is that live-upgrade > does not support upgrading systems with zones. This is being > fixed in the next S10 update. It is already fixe

Re: [zfs-discuss] Downsides to zone roots on ZFS?

2007-02-07 Thread Jerry Jelinek
Rich Teer wrote: Excellent; disk space won't be an issue for me, nor will the non-live-upgradability, so I'll be putting my zone roots on ZFS. Rich, Just to be clear, both live-upgrade and the mini-root upgrade do not yet know about zfs so if you place your zones on zfs, you won't be able to d

Re: [zones-discuss] Re: [zfs-discuss] Downsides to zone roots on ZFS?

2007-02-07 Thread Lori Alt
Jerry Jelinek wrote: John Clingan wrote: This is incorrect. All S10 updates have supported upgrading systems with zones. I believe what you are thinking of is that live-upgrade does not support upgrading systems with zones. This is being fixed in the next S10 update. It is already fixed in n

Re: [zfs-discuss] Re: The ZFS MOS and how DNODES are stored

2007-02-07 Thread Darren Dunham
> Thanks for the input Darren, but I'm still confused about DNODE > atomicity ... it's difficult to imagine that a change that is made > anyplace in the zpool would require copy operations all the way back > up to the uberblock (e.g. if some single file in one of many file > systems in a zpool was

[zfs-discuss] Re: The ZFS MOS and how DNODES are stored

2007-02-07 Thread Bill Moloney
Thanks for the input Darren, but I'm still confused about DNODE atomicity ... it's difficult to imagine that a change that is made anyplace in the zpool would require copy operations all the way back up to the uberblock (e.g. if some single file in one of many file systems in a zpool was suddenl

Re: [zfs-discuss] Re: solaris - ata over ethernet - zfs - HPC

2007-02-07 Thread Erik Trimble
roland wrote: We've considered looking at porting the AOE _server_ module to Solaris, especially since the Solaris loopback driver (/dev/lofi) is _much_ more stable than the loopback module in Linux (the Linux loopback module is a stellar piece of crap). ok, it`s quite old and probably no

[zfs-discuss] zfs magic still missing

2007-02-07 Thread ozan s. yigit
sigh, ZFS bits *still* not identified in /etc/magic. bug 6446509 open since july 16... thumper# file /ocean/backup/[EMAIL PROTECTED] /ocean/backup/[EMAIL PROTECTED]:data [should have said "ZFS snapshot stream"] -- ozan s. yigit | [EMAIL PROTECTED] | o: 416-348-1540 if you want to have your

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

2007-02-07 Thread Kevin Bortis
Hello, I test right now the beauty of zfs. I have installed opensolaris on a spare server to test nfs exports. After creating tank1 with zpool and a subfilesystem with zfs tank1/nfsshare, I have set the option sharenfs=on to tank1/nfsshare. With Mac OS X as client I can mount the filesystem in

Re: [zones-discuss] Re: [zfs-discuss] Downsides to zone roots on ZFS?

2007-02-07 Thread Jerry Jelinek
John Clingan wrote: This is incorrect. All S10 updates have supported upgrading systems with zones. I believe what you are thinking of is that live-upgrade does not support upgrading systems with zones. This is being fixed in the next S10 update. It is already fixed in nevada. Which Nevada

[zfs-discuss] ZFS Degraded Disks

2007-02-07 Thread Kory Wheatley
What are the necessary steps to try to troubleshoot a degraded disk, and also what are the steps for replacing a disk in a ZFS mirrored pool. I have a identical disk, but it has UFS filesystem on it,(but not used for any purpose), can I format the disk and then make this a replacement in the Z

Re: [zfs-discuss] Downsides to zone roots on ZFS?

2007-02-07 Thread Jerry Jelinek
Rich, Rich Teer wrote: Hi all, Last time I checked, having one's zone roots (zonepaths) on ZFS file systems was not a recommended practice, despite the fact that this works. IIRC, the problem was that the upgrade code didn't grok zfs and would therefore get terribly confused should the zone ro

[zfs-discuss] Downsides to zone roots on ZFS?

2007-02-07 Thread Rich Teer
Hi all, Last time I checked, having one's zone roots (zonepaths) on ZFS file systems was not a recommended practice, despite the fact that this works. IIRC, the problem was that the upgrade code didn't grok zfs and would therefore get terribly confused should the zone roots reside on ZFS. Howeve

Re: [zfs-discuss] Re: Re: Cheap ZFS homeserver.

2007-02-07 Thread Tom Buskey
Sorry, that's dd from /dev/zero to /dev/null I think there's an issue with my SATA card On 2/7/07, Bart Smaalders <[EMAIL PROTECTED]> wrote: Tom Buskey wrote: >> Tom Buskey wrote: >>> As a followup, the system I'm trying to use this on >> is a dual PII 400 with 512MB. Real low budget. > >> Hm

Re: [zfs-discuss] Re: Re: Cheap ZFS homeserver.

2007-02-07 Thread Bart Smaalders
Tom Buskey wrote: Tom Buskey wrote: As a followup, the system I'm trying to use this on is a dual PII 400 with 512MB. Real low budget. Hmm... that's lower than I would have expected. Something is ikely wrong. These machines do have very limited memory How fast can you DD from the raw d

[zfs-discuss] Re: Re: Cheap ZFS homeserver.

2007-02-07 Thread Tom Buskey
> Tom Buskey wrote: > > As a followup, the system I'm trying to use this on > is a dual PII 400 with 512MB. Real low budget. > > Hmm... that's lower than I would have expected. > Something is > ikely wrong. These machines do have very limited > memory > How fast can you DD from the raw device

Re: [zfs-discuss] The ZFS MOS and how DNODES are stored

2007-02-07 Thread Darren Dunham
> ZFS documentation lists snapshot limits on any single file system in a > pool at 2**48 snaps, and that seems to logically imply that a snap on > a file system does not require an update to the pool’s > currently active uberblock. All commited changes (including snapshot creation) require a new

Re: Re[2]: [zfs-discuss] se3510 and ZFS

2007-02-07 Thread Roch - PAE
Robert Milkowski writes: > Hello Jonathan, > > Tuesday, February 6, 2007, 5:00:07 PM, you wrote: > > JE> On Feb 6, 2007, at 06:55, Robert Milkowski wrote: > > >> Hello zfs-discuss, > >> > >> It looks like when zfs issues write cache flush commands se3510 > >> actually honors it. I