Re: File System conversion -- ideas

From: Stewart Smith (
Date: Tue Jul 01 2003 - 10:41:33 EST

On Tue, Jul 01, 2003 at 04:55:58PM +0200, Leonard Milcin Jr. wrote:

> I think of some sort of overlay filesystem on top of that *thing*. In
> this case ovarlay filesystem could serve as redo log in database system.
> Then we need only worry with read operations, not write. Writes will be
> stored in redo log, and eventually they will be included when actual
> read only filesystem will be converted.

This is exactly what has been said before in this thread
 - i.e. mount the new FS over the old one (union style)
and new writes go to the new FS.

I really thing LVM resizing automagick would be the way to go to.
*much* cleaner and easier to implement.

The real useful thing to do would be to write a utility that would
convert non-LVM systems to LVM.

Stewart Smith
Vice President, Linux Australia (personal:
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