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Re: [linux-lvm] resize an ext3 on an LV



You can do ext3 expand with "e2fsadm -L +xxxG -n /dev/homevg/userslv".
But before using this command, must reduce LV volume to original size.
e2fsadm  may resize filesystem and logical volume BOTH.
-n  is nofsck.
You must check filesystem  before "e2fsadm"  by e2fsck.

wish your good Luck !!!
Yongchul Kim.


----- Original Message ----- 
From: "Alexander Lazarevich" <alazarev itg uiuc edu>
To: "Linux LVM Sistina" <linux-lvm sistina com>
Sent: Thursday, January 30, 2003 12:32 AM
Subject: Re: [linux-lvm] resize an ext3 on an LV


> The LV is already expanded. All I want to do is resize the ext3 filesystem 
> to the new size of the LV, which is now 275GB.
> 
> But I need to know the commands. Or some hint of what the command is. Is 
> it just "resize2fs /dev/homevg/userslv"? I've seen some posts saying that 
> using resize2fs will destroy an ext3 filesystem, is that not true? Will 
> the journal stay intact? What's the command that you use?
> 
> Thanks for the help!
> 
> Alex
> 
> On Wed, 29 Jan 2003, Jan-Benedict Glaw wrote:
> 
> > On Wed, 2003-01-29 09:16:15 -0600, Alexander Lazarevich <alazarev itg uiuc edu>
> > wrote in message <Pine LNX 4 44 0301290900350 22463-100000 zeus itg uiuc edu>:
> > > A rehash of some questions I asked earlier, but I want to clarify:
> > > 
> > > Redhat 7.3, 2.4.18-19.7.xsmp kernel, using LVM 1.03.
> > > 
> > > I've got a 180GB LV (/dev/homevg/userslv) which contains an ext3 
> > > filesystem (mount point /home/users).
> > > 
> > > Once I umount the /dev/homevg/userslv, can I use resize2fs to extend the 
> > > ext3 filesystem? Or must I first remove the journal from ext3, then 
> > > resize, then add the journal back to it, then remount?
> > 
> > You can directly enlarge the filesystem, but, of course, you've got to
> > extend the logical volume before that... You don't need to remove the
> > journal, at least, this worked numerous times for me:-)
> > 
> > However, backup is always a good idea, though.
> > 
> > MfG, JBG
> > 
> > 
> 
> 
> 

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