On May 2, 2010, at 10:27 AM, Jan Riechers wrote: > 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 some outdated pool on s2 - when I got back the correct slice setup - I could 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?
ZFS Administration Guide. http://hub.opensolaris.org/bin/view/Community+Group+zfs/docs -- richard ZFS storage and performance consulting at http://www.RichardElling.com _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
