Thomas Kloeber wrote: > This is the 2nd attempt, so my apologies, if this mail got to you > already... > > Folkses, > > I'm in an absolute state of panic because I lost about 160GB of data > which were on an external USB disk. > Here is what happened: > 1. I added a 500GB USB disk to my Ultra25/Solaris 10 > 2. I created a zpool and a zfs for the whole disk > 3. I copied lots of data on to the disk > 4. I 'zfs umount'ed the disk, unplugged the USB cable > 5. I attached the disk to a PC/Solaris 10 and tried to get the data > 6. but I couldn't find it (didn't know about 'zfs import' then) > 7. re-attached the disk to the Ultra25/Solaris 10 > and now 'zpool status' tells me that the pool is FAULTED and the data is > corrupted. SUN support tells me that I have lost all data. They also > suggested to try this disk on a Nevada system which I did. There the > zpool showed up correctly but the zfs file system didn't.
Can you explain this? If the zpool import succeeded, then what does "zfs list" show? -- richard > > If I do a hex dump of the physical device I can see all the data but I > can't get to it... aaarrrggghhh > > Has anybody successfully patched/tweaked/whatever a zpool or zfs to > recover from this? > > I would be most and for ever greatful I somebody could give me a hint. > > Thanx, > > Thomas > > Following is the 'zpool status': > zpool status -xv > pool: usbDisk > state: FAULTED > status: One or more devices could not be used because the the label is > missing > or invalid. There are insufficient replicas for the pool to continue > functioning. > action: Destroy and re-create the pool from a backup source. > see: http://www.sun.com/msg/ZFS-8000-5E > scrub: none requested > config: > > NAME STATE READ WRITE CKSUM > usbDisk FAULTED 0 0 0 corrupted data > c5t0d0s0 FAULTED 0 0 0 corrupted data > > and the output of zdb: > disk1 > version=4 > name='disk1' > state=0 > txg=4 > pool_guid=10847216141970570446 > vdev_tree > type='root' > id=0 > guid=10847216141970570446 > children[0] > type='disk' > id=0 > guid=5919680419735522389 > path='/dev/dsk/c1t1d0s1' > devid='id1,[EMAIL PROTECTED]/b' > whole_disk=0 > metaslab_array=14 > metaslab_shift=30 > ashift=9 > asize=141729202176 > usbDisk > version=4 > name='usbDisk' > state=0 > txg=4 > pool_guid=18060149023938226877 > vdev_tree > type='root' > id=0 > guid=18060149023938226877 > children[0] > type='disk' > id=0 > guid=4959744788625823079 > path='/dev/dsk/c5t0d0s0' > devid='id1,[EMAIL PROTECTED]/a' > whole_disk=0 > metaslab_array=14 > metaslab_shift=32 > ashift=9 > asize=500100497408 > obelix2:/# zdb -l /dev/dsk/c5t0d0s0 > -------------------------------------------- > LABEL 0 > -------------------------------------------- > version=4 > name='WD' > state=0 > txg=36 > pool_guid=7944655440509665617 > hostname='opensolaris' > top_guid=13767930161106254968 > guid=13767930161106254968 > vdev_tree > type='disk' > id=0 > guid=13767930161106254968 > path='/dev/dsk/c8t0d0p0' > devid='id1,[EMAIL PROTECTED]/q' > phys_path='/[EMAIL PROTECTED],0/pci1028,[EMAIL PROTECTED],1/[EMAIL > PROTECTED]/[EMAIL PROTECTED],0:q' > whole_disk=0 > metaslab_array=14 > metaslab_shift=32 > ashift=9 > asize=500103118848 > is_log=0 > DTL=18 > -------------------------------------------- > LABEL 1 > -------------------------------------------- > version=4 > name='WD' > state=0 > txg=36 > pool_guid=7944655440509665617 > hostname='opensolaris' > top_guid=13767930161106254968 > guid=13767930161106254968 > vdev_tree > type='disk' > id=0 > guid=13767930161106254968 > path='/dev/dsk/c8t0d0p0' > devid='id1,[EMAIL PROTECTED]/q' > phys_path='/[EMAIL PROTECTED],0/pci1028,[EMAIL PROTECTED],1/[EMAIL > PROTECTED]/[EMAIL PROTECTED],0:q' > whole_disk=0 > metaslab_array=14 > metaslab_shift=32 > ashift=9 > asize=500103118848 > is_log=0 > DTL=18 > -------------------------------------------- > LABEL 2 > -------------------------------------------- > version=4 > name='usbDisk' > state=0 > txg=4 > pool_guid=18060149023938226877 > top_guid=4959744788625823079 > guid=4959744788625823079 > vdev_tree > type='disk' > id=0 > guid=4959744788625823079 > path='/dev/dsk/c5t0d0s0' > devid='id1,[EMAIL PROTECTED]/a' > whole_disk=0 > metaslab_array=14 > metaslab_shift=32 > ashift=9 > asize=500100497408 > -------------------------------------------- > LABEL 3 > -------------------------------------------- > version=4 > name='usbDisk' > state=0 > txg=4 > pool_guid=18060149023938226877 > top_guid=4959744788625823079 > guid=4959744788625823079 > vdev_tree > type='disk' > id=0 > guid=4959744788625823079 > path='/dev/dsk/c5t0d0s0' > devid='id1,[EMAIL PROTECTED]/a' > whole_disk=0 > metaslab_array=14 > metaslab_shift=32 > ashift=9 > asize=500100497408 > _______________________________________________ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss > _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
