Hi Peter,
I dont have ext2resize or ext2prepare on my system.
The pvcreate, vgextend, lvextend, ext2online formula should do what your after when your working with LVM.
The filesystem in your example is being extended from 2G to 4G, this is not large, I work on some 50G filesystems with no probs, and have never needed ext2{resize,prepare} ;)
However, if you need ext2resize it's here http://ext2resize.sourceforge.net , it may be on RHN too, I haven't checked.
Good luck,
Nick .
> -----Original Message-----
> From: Chiu, PCM (Peter) [mailto:P.C.M.Chiu@xxxxxxxx]
> Sent: 17 January 2006 08:17
> To: General Red Hat Linux discussion list; Getting started
> with Red Hat
> Linux
> Subject: RE: RH AS 4U2 - LVM extend
>
>
> Thanks a lot, Nick,
>
> Ext2online does extend a mounted an ext3 file system live.
>
> While checking the man page on ext2online, I have also found
> ext2resize
> and ext2prepare being mentioned for the better support of resizing at
> larger capacity.
>
> But I cannot locate ext2resize nor ext2prepare binaries, and they man
> pages.
>
> Do you have any experience on them, or do you know which package they
> belong to?
>
> Peter
>
> -----Original Message-----
> From: redhat-list-bounces@xxxxxxxxxx
> [mailto:redhat-list-bounces@xxxxxxxxxx] On Behalf Of Lunt, Nick
> Sent: 16 January 2006 09:00
> To: General Red Hat Linux discussion list; Getting started
> with Red Hat
> Linux
> Subject: RE: RH AS 4U2 - LVM extend
>
> Hi,
>
>
>
>
> > -----Original Message-----
> > From: Chiu, PCM (Peter) [mailto:P.C.M.Chiu@xxxxxxxx]
> > Sent: 16 January 2006 08:55
> > To: General Red Hat Linux discussion list; Getting started with Red
> > Hat Linux
> > Cc: Chiu, PCM (Peter)
> > Subject: RH AS 4U2 - LVM extend
> >
> >
> > Hi,
> >
> > I recall in the past that I was able to extend a lvm file system
> > without the need of reformatting and restoring the contents, but I
> > don't seem to be able to do under RH AS 4U2.
> >
> > Below are the steps that I take. vgdisplay shows the volume group
> > capacity is extended, but lvdisplay shows the logical volume is not.
> > Have I missed something here?
> >
> > Thanks.
> >
> > fdisk /dev/had to make new partitions 7 and 8 with type 8e
> >
> > pvcreate /dev/hda7
> > vgcreate peter-vg /dev/hda7
> > lvcreate -L 2G /dev/peter-vg -n peter-lv mke2fs -j
> > /dev/peter-vg/peter-lv mount /dev/peter-vg/peter-lv /data
> > - A 2GB /data is mounted and works ok.
> >
> > umount /data
> > pvcreate /dev/hda8
> > vgextend peter-vg /dev/hda8
> > lvextend -L 4G /dev/peter-vg/peter-lv
> >
> > The last command is accepted but no action is taken.
> > The /dev/peter-vg/peter-lv is still mounted as a 2GB file system.
> > Tried reboot, vgscan and vgchange -ay, no luck.
> >
>
> have you tried ext2online /dev/peter-vg/peter-lv ?
>
> This should work with the filesystem mounted. Having said that, I've
> only ever used it on ext3 (journalling), but the man page
> says it's ext2
> so you should be fine.
>
> The filesystem should be extended after that. As it stands at
> the moment
> you've just extended the nr of extents available but not yet
> used them.
> Some shops do that to make it easy to extend filesystems when
> they fill
> up.
>
> Good luck,
> Nick .
>
>
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