On Sun, May 2, 2010 at 3:51 PM, Jan Riechers <jan.riech...@googlemail.com>wrote:
> > > On Sun, May 2, 2010 at 6:06 AM, Roy Sigurd Karlsbakk > <r...@karlsbakk.net>wrote: > >> ----- "Jan Riechers" <jan.riech...@googlemail.com> skrev: >> >> I am using a mirrored system pool on 2 80G drives - however I was only >> using 40G since I thought I might use the rest for something else. ZFS Time >> Slider was complaining the pool was filled for 90% and I decided to increase >> pool size. >> What I did was a zpool detach of one of the mirrored hdds and increased >> the partition size to 100% with fdisk. When I wanted to reattach the hdd, >> system complained about an IO error and it hang. >> Now the rpool is gone on both drives (I also tried to find it via zpool >> import booting from USB - without success). Is there any chance I can >> recover the lost rpool? And what did I do wrong (except for not having a >> backup first)? >> >> _______________________________________________ >> zfs-discuss mailing list >> zfs-discuss@opensolaris.org >> http://mail.opensolaris.org/mailman/listinfo/zfs-discuss >> >> What error messages do you get? Please give more info >> >> >> Hi roy I'm not sure what the error message said in detail - however I > cannot boot anymore since grub won't find the pool. However looking with zdb > -l It finds at least on of the hdds 2 labels (the other which I didn't touch > shows no label): > pfexec zdb -l /dev/dsk/c6t5d0s2 > Is there a chance to fix this pool? > > I managed to put back the old partition table/slice setup - since zdb showed some outdated pool on s2 - when I got back the correct slice setup - I could simply use c6t5d0s0 as rpool root. The mirrored disk was never really bootable and the mirror somehow broken. Is there an official howto for setting up a mirror for the rpool? -- Jan
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