Re: [zfs-discuss] more ZFS recovery

2008-08-18 Thread Robert Milkowski
Hello max, Sunday, August 17, 2008, 1:02:05 PM, you wrote: mbc A Darren Dunham wrote: If the most recent uberblock appears valid, but doesn't have useful data, I don't think there's any way currently to see what the tree of an older uberblock looks like. It would be nice to see if that data

Re: [zfs-discuss] cannot delete file when fs 100% full

2008-08-18 Thread Robert Milkowski
Hello Paul, Thursday, August 14, 2008, 9:25:45 PM, you wrote: PR This problem is becoming a real pain to us again and I was wondering PR if there has been in the past few month any known fix or workaround. PR I normally create zfs fs's like this: PRzfs create -o quota=131G -o reserv=131G

Re: [zfs-discuss] C code for reading ZFS ACL

2008-08-18 Thread Darren J Moffat
Paul B. Henson wrote: Sweet. Might I request an acl evaluation function? Which basically, given a user and a requested permission, returns either true (user has permission), false (user doesn't have permission), or error condition. Similar to the POSIX access() call, but for ACLs. If I had

[zfs-discuss] shrinking a zpool - roadmap

2008-08-18 Thread Bernhard Holzer
Hi, I am searching for a roadmap for shrinking a pool. Is there some project, where can I find informations, when will it be implemented in Solars10 Thanks Regards Bernhard -- Bernhard Holzer Sun Microsystems Ges.m.b.H. Wienerbergstraße 3/7 A-1100 Vienna, Austria Phone x60983/+43 1 60563

Re: [zfs-discuss] Odp: Kernel panic at zpool import

2008-08-18 Thread Borys Saulyak
Try to change uberblock http://www.opensolaris.org/jive/thread.jspa?messageID= 217097 Looks like you are the originator of that thread. In the last message you promised to post some details on how you've recovered, but it was not done. Can you please post some details? How did you figure out

Re: [zfs-discuss] shrinking a zpool - roadmap

2008-08-18 Thread Tim
Long story short, There isn't a project, there are no plans to start a project, and don't expect to see it in Solaris10 in this lifetime without some serious pushback from large Sun customers. Even then, it's unlikely to happen anytime soon due to the technical complications of doing so

Re: [zfs-discuss] cannot delete file when fs 100% full

2008-08-18 Thread Paul Raines
I read that that should be case but did not see such in practice. I created one volume without the recsize setting and one with. Than copied the same data to both (lots of small files). The 'du' report on the one without the recsize was significantly bigger than the one where I made it and in

[zfs-discuss] Zfs and mpxio - device name changed

2008-08-18 Thread Dony Pierre
Hi all, I have defined a zfs pool on a Solaris 10 : [EMAIL PROTECTED]:/kernel/drv zpool list NAMESIZEUSED AVAILCAP HEALTH ALTROOT nsrcatalog 125G 72.7G 52.4G58% ONLINE - [EMAIL PROTECTED]:/kernel/drv zpool status nsrcatalog pool:

Re: [zfs-discuss] C code for reading ZFS ACL

2008-08-18 Thread Mark Shellenbaum
Ian Collins wrote: Mark Shellenbaum wrote: Paul B. Henson wrote: Are the libsec undocumented interfaces likely to remain the same when the acl_t structure changes? They will still require adding the prototypes to my code so the compiler knows what to make of them, but less chance of breakage

Re: [zfs-discuss] Zfs and mpxio - device name changed

2008-08-18 Thread Gary Mills
On Mon, Aug 18, 2008 at 04:43:02PM +0200, Dony Pierre wrote: I have defined a zfs pool on a Solaris 10 : I would now like to use mpxio - multipathing driver. So, i will change the file /kernel/drv/fp.conf and set the parameter mpxio-disable=no; But, I thing Solaris will

Re: [zfs-discuss] Poor read/write performance when using ZFS iSCSI target

2008-08-18 Thread Roch - PAE
initiator_host:~ # dd if=/dev/zero bs=1k of=/dev/dsk/c5t0d0 count=100 So this is going at 3000 x 1K writes per second or 330usec per write. The iscsi target is probably doing a over the wire operation for each request. So it looks fine at first glance. -r Cody Campbell writes:

Re: [zfs-discuss] Why RAID 5 stops working in 2009

2008-08-18 Thread Roch - PAE
Kyle McDonald writes: Ross wrote: Just re-read that and it's badly phrased. What I meant to say is that a raid-z / raid-5 array based on 500GB drives seems to have around a 1 in 10 chance of loosing some data during a full rebuild. Actually, I think it's been

[zfs-discuss] OpenSolaris installer can't be run, if target ZFS pool exists.

2008-08-18 Thread Jan Damborsky
Hi ZFS team, I am currently working on fixes for couple of bugs in OpenSolaris Caiman installer and since they are related to the ZFS, I would like to kindly ask you, if you could please help me to understand, if the issues encountered and mentioned below are known (somebody works on them or if

Re: [zfs-discuss] C code for reading ZFS ACL

2008-08-18 Thread Ian Collins
Mark Shellenbaum wrote: Ian Collins wrote: Mark Shellenbaum wrote: Paul B. Henson wrote: Are the libsec undocumented interfaces likely to remain the same when the acl_t structure changes? They will still require adding the prototypes to my code so the compiler knows what to make of them,

Re: [zfs-discuss] Kernel panic at zpool import

2008-08-18 Thread Borys Saulyak
Suppose that ZFS detects an error in the first case.  It can't tellbr the storage array something's wrong, please fix it (since thebr storage array doesn't provide for this with checksums and intelligentbr recovery), so all it can do is tell the user this file is corrupt,br recover it from

Re: [zfs-discuss] Kernel panic at zpool import

2008-08-18 Thread Borys Saulyak
Ask your hardware vendor. The hardware corrupted your data, not ZFS. Right, that's all because of these storage vendors. All problems come from them! Never from ZFS :-) I have similar answer from them: ask Sun, ZFS is buggy. Our storage is always fine. That is really ridiculous! People pay

Re: [zfs-discuss] ZFS commands hanging in B95

2008-08-18 Thread Mark Shellenbaum
Ian Collins wrote: I have a pretty standard ZFS boot AMD64 desktop. A the moment, most ZFS related commands are hanging (can't be killed) . Running 'truss share' the last few lines I see are: Can you provide a kernel thread list report? You can use mdb -k to get that. Once in mdb type

Re: [zfs-discuss] Kernel panic at zpool import

2008-08-18 Thread Richard Elling
Borys Saulyak wrote: Suppose that ZFS detects an error in the first case. It can't tellbr the storage array something's wrong, please fix it (since thebr storage array doesn't provide for this with checksums and intelligentbr recovery), so all it can do is tell the user this file is

Re: [zfs-discuss] Zfs and mpxio - device name changed

2008-08-18 Thread James C. McPherson
Dony Pierre wrote: Hi all, I have defined a zfs pool on a Solaris 10 : [EMAIL PROTECTED]:/kernel/drv zpool list NAMESIZEUSED AVAILCAP HEALTH ALTROOT nsrcatalog 125G 72.7G 52.4G58% ONLINE - [EMAIL PROTECTED]:/kernel/drv

Re: [zfs-discuss] ZFS commands hanging in B95

2008-08-18 Thread Ian Collins
Mark Shellenbaum wrote: Ian Collins wrote: I have a pretty standard ZFS boot AMD64 desktop. A the moment, most ZFS related commands are hanging (can't be killed) . Running 'truss share' the last few lines I see are: Can you provide a kernel thread list report? You can use mdb -k to get

Re: [zfs-discuss] Moving a ZFS root to another target

2008-08-18 Thread Stephen Hahn
* andrew [EMAIL PROTECTED] [2008-08-16 00:38]: Hmm... Just tried the same thing on SXCE build 95 and it works fine. Strange. Anyone know what's up with OpenSolaris (the distro)? I'm using the ISO of OpenSolaris 208.11 snv_93 image-updated to build 95 if that makes a difference. I've not tried