Re: [edlug] Resizing ext3 partitions?

["Stephen C. Tweedie" <sct@xxx.xxx.xxx>]

Hi,

On Wed, 2004-04-07 at 10:17, Andrew Aylett wrote:

> > parted only does ext2 partitions, so that's not available to me.

> You say it's not ext2, but what is it?

Ext3 is very different from ext2 in many ways, but mostly in the way
it's implemented.  I did start it off with a copy of the ext2 source
tree, but the ext3 tree is now quite different internally.

But on-disk, they look *exactly* the same.  The ext3 journal is Just
Another File on the disk, albeit a hidden one.  The only difference
between the two on disk is the superblock field telling the fs which
inode is in use for the journal.

I use "resize2fs" regularly to grow ext3 filesystems, it Just Works. 
(Actually, I usually use the "e2fsadm" wrapper that grows both the ext3
fs and the underlying logical volume --- most of the fs'es that I care
about growing are on LVM precisely to allow me to do this.)

Cheers,
 Stephen


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