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On May 2, 2010, at 10:27 AM, Jan Riechers wrote:
> On Sun, May 2, 2010 at 3:51 PM, Jan Riechers <jan.riechers@xxxxxxxxxxxxxx>
> wrote:
>
>
> On Sun, May 2, 2010 at 6:06 AM, Roy Sigurd Karlsbakk <roy@xxxxxxxxxxxxx>
> wrote:
> ----- "Jan Riechers" <jan.riechers@xxxxxxxxxxxxxx> 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)?
>
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> zfs-discuss@xxxxxxxxxxxxxxx
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> 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 some outdated pool on s2 - when I got back the correct slice setup - I could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
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