On Thu, Oct 03, 2002 at 02:48:25AM -0700, Ruchika Adukia wrote: > linux-lvm@sistina.com <linux-lvm@sistina.com> > > hello, > according to my knowledge snapshot's each pe holds > first COW table structures and then data. Correct. > what i want > to now is how to know that this chunk of data on pe > belongs to which data block on the original filesystem > and wether the file to which the data block belongs > was created after the snapshot was taken. If your question aims to answer the creation/modification issue: - if the file doesn't exist in the original it was created *after* the snapshot was taken :) - if it exists in both, you can compare the content Please tell me, if you still need more information about the snapshot mappings. > > Is there any other metadata stored on snapshot PE > other than cow table entries. No. > > thanx ruchika > > ruchika_singh_2000@yahoo.com > > > __________________________________________________ > Do you Yahoo!? > New DSL Internet Access from SBC & Yahoo! > http://sbc.yahoo.com > > _______________________________________________ > linux-lvm mailing list > linux-lvm@sistina.com > http://lists.sistina.com/mailman/listinfo/linux-lvm > read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/ -- Regards, Heinz -- The LVM Guy -- *** Software bugs are stupid. Nevertheless it needs not so stupid people to solve them *** =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Heinz Mauelshagen Sistina Software Inc. Senior Consultant/Developer Am Sonnenhang 11 56242 Marienrachdorf Germany Mauelshagen@Sistina.com +49 2626 141200 FAX 924446 =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- _______________________________________________ linux-lvm mailing list linux-lvm@sistina.com http://lists.sistina.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/