[linux-lvm] resizing root filesystem on LVM with live CD?

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You can use a Gentoo Live CD

Am Montag, 29. August 2005 00:16 schrieb Faheem Mitha:
> Dear People,
>
> I have a machine which is running Fedora Core on AMD64. I did not install
> this computer myself. The current setup is that that there are two
> partitions on the disk, one of them /boot and the other is given to a LVM
> volume group. This volume group currently has two logical volumes on it,
> swap and root, both using ext3.
>
> /etc/fstab appears at the bottom of this email. I don't have access to
> this machine at this moment, otherwise I would give output of df.
>
> What I want to do is to shrink the root logical volume, which I assume,
> though I'm not sure at the moment, occupies all the svailable space on in
> the volume group, along with the swap partition.
>
> It is apparently possible to resize logical volumes with root mounted on a
> running system, but this seems a little too adventurous for my taste.
>
> However, it seems possible that a live cd exists which can be used to
> resize logical volumes, and this would of course have no problem with the
> root filesystem of a system that is not running.
>
> Does anyone have any suggestions about this? Note that it will need to run
> a 2.6 kernel, since I need to use lvm2.
>
> I tried Knoppix, but it does not seem to know about LVM. I'm going to try
> the Debian installer, and see if I can get it to do this.
>
> If people have suggestions, I'd be interested to hear about them.
>
> Thanks.                                                         Faheem.
>
> *************************************************************************
> # This file is edited by fstab-sync - see 'man fstab-sync' for details
> /dev/VolGroup00/LogVol00 /                       ext3    defaults        1
> 1
> LABEL=/boot             /boot                   ext3    defaults        1
> 2
> /dev/devpts             /dev/pts                devpts  gid=5,mode=620  0
> 0
> /dev/shm                /dev/shm                tmpfs   defaults        0
> 0
> /dev/proc               /proc                   proc    defaults        0
> 0
> /dev/sys                /sys                    sysfs   defaults        0
> 0
> /dev/VolGroup00/LogVol01 swap                    swap    defaults        0
> 0
> /dev/scd0               /media/cdrecorder       auto
> pamconsole,exec,noauto,managed 0 0
> /dev/hda                /media/cdrecorder1      auto
> pamconsole,exec,noauto,managed 0 0
>
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> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/

-- 
Micha Krause

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