[svlug] ext3 and dd disk cloning

hvrietsc@yahoo.com hvrietsc at yahoo.com
Fri Jan 25 19:33:03 PST 2002

ext3 is just ext2 with a journal, so us dd to copy
then mount as ext2 and run the tool to make an ext2 into an ext3
(i forgot the name of it).

On Fri, Jan 25, 2002 at 11:28:40AM -0500, Justin F. Knotzke wrote:
> 	Hi,
> 	It appears you can't "clone" a disk in ext3 because the journal has
> a unique identifier and the kernel will not allow you to mount a dd'd
> disk. I might have to create the partitions, create the filesystem and
> then tar or cpio the files over.
> 	This is a bit of a pain as compared to just doing a dd from one hd
> to another (same disk, same geometry etc).
> 	Does anyone know a way to dd a ext3 drive? I'm going to try
> recreating the journal after the dd but I'm not sure if that will work.
> 	Thanks
> 	Justin.
> -- 
> Justin F. Knotzke
> shampoo at cam.org
> pgp public key http://www.shampoo.ca/pubkey.html
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