[zfs-discuss] Kernel panic at zpool import

2008-08-07 Thread Borys Saulyak
Hi, I have problem with Solaris 10. I know that this forum is for OpenSolaris but may be someone will have an idea. My box is crashing on any attempt to import zfs pool. First crash happened on export operation and since then I cannot import pool anymore due to kernel panics. Is there any way o

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

2008-08-11 Thread Borys Saulyak
> Your pools have no redundancy... Box is connected to two fabric switches via different HBAs, storage is RAID5, MPxIP is ON, and all after that my pools have no redundancy?!?! > ...and got corrupted, therefore there is nothing ZFS This is exactly what I would like to know. HOW this could happen

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

2008-08-14 Thread Borys Saulyak
> I would recommend you to make multiple LUNs visible > to ZFS, and create So, you are saying that ZFS will cope better with failures then any other storage system, right? I'm just trying to imagine... I've got, lets say, 10 disks in the storage. They are currently in RAID5 configuration and giv

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 ou

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 tell > the storage array "something's wrong, please > fix it" (since the > storage array doesn't provide for this with > checksums and intelligent > recovery), so all it can do is tell the user > "this file is corrupt, > recover it f

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 hu

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

2008-08-19 Thread Borys Saulyak
> From what I can predict, and *nobody* has provided > any panic > essages to confirm, ZFS likely had difficulty > writing. For Solaris 10u5 Panic stack is looking pretty much the same as panic on imprt, and cannot be correlated to write failure: Aug 5 12:01:27 omases11 unix: [ID 836849 kern.no

Re: [zfs-discuss] more ZFS recovery

2008-08-27 Thread Borys Saulyak
> As a follow up to the whole story, with the fantastic > help of Victor, > the failed pool is now imported and functional thanks > to the redundancy > in the meta data. It would be really useful if you could publish the steps to recover the pools. This message posted from opensolaris.org _

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

2008-08-27 Thread Borys Saulyak
A little update on the subject. After great help of Victor Latushkin the content of the pools is recovered. The cause of the problem is still under investigation, but what is clear that both config objects where corrupted. What has been done to recover data: Victor has a zfs module which allows