Date: Tue, 10 Jun 2008 10:54:38 +0200 (CEST) From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> To: "B. Cook" <bcook@poughkeepsieschools.org> Cc: freebsd-questions@freebsd.org Subject: Re: gmirror and resizing partitions.. Message-ID: <20080610104830.O18194@wojtek.tensor.gdynia.pl> In-Reply-To: <BF458E6D-6326-4D66-9C8E-14211EB276DE@poughkeepsieschools.org> References: <228F7E24-AFA2-4BD6-91B6-D610380C789A@poughkeepsieschools.org> <20080609181202.V51848@wojtek.tensor.gdynia.pl> <BF458E6D-6326-4D66-9C8E-14211EB276DE@poughkeepsieschools.org>
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>>
>> more exact info please.
>>
>> gmirror status
>> mount or cat /etc/fstab
>
now much better - i know that you mirrored whole drives and then
partitioned.
are whole mirror labeled? if yes - what partition you have to trim down?
if now - where are place (give me bsdlabel gm0s1 output)
as you have 2 drives it's quite easy:
it would be like that:
gmirror remove gm0 ad6
gmirror forget ad6
gmirror clear /dev/ad6
gmirror label -b round-robin -s 1048576 m0 /dev/ad6
^^^^^^^^^^^^^^^^^^^^^^^^
that's options i use, use what you think it's good for you.
now - you have 2 degraded mirrors. old - gm0, new - m0
now partition m0 as you like.
then - get the system down to single user, unmount everything except /,
make / read-only
then:
with partition that are same sized use dd if=/dev/oldpartition
of=/dev/newpartition bs=1m
others - use newfs and tar|tar to copy files
after all done, mount new root partition somewhere read write, and fix
etc/fstab
at the end - don't forget to bsdlabel -B
then reboot from ad6.
after successful boot:
gmirror stop gm0
gmirror clear ad4
gmirror insert m0 ad4
to get all new things mirrored.
PS. my advice. make one big partition+swap instead of so many. you won't
have such problems again
>
>
>
> Name Status Components
> mirror/gm0 COMPLETE ad4
> ad6
>
>
> # Device Mountpoint FStype Options Dump Pass#
> /dev/mirror/gm0s1b none swap sw 0 0
> /dev/mirror/gm0s1a / ufs rw 1 1
> /dev/mirror/gm0s1h /exports ufs rw 2 2
> /dev/mirror/gm0s1g /home ufs rw 2 2
> /dev/mirror/gm0s1d /usr ufs rw 2 2
> /dev/mirror/gm0s1e /usr/local ufs rw 2 2
> /dev/mirror/gm0s1f /var ufs rw 2 2
> /dev/acd0 /cdrom cd9660 ro,noauto 0 0
>
> #/dev/da0s1 /mnt/root ufs ro 0 0
> #/dev/da0s1b none swap sw 0 0
>
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