> Note that even after freezing, the on-disk filesystem can contain information on files that are still in the process of unlinking. These files will not be unlinked until the filesystem is unfrozen or a clean mount of the snapshot is complete. hmmm, ok, so what is the right way to do it? Should I mount the cloned volume with nouuid first so that log is replayed and filesystem is clean, then umount it and then generated the UUID for this using xfs_admin command? Or should I use xfs_repair with -L option to clear the logs and then generate the UUID with xfs_admin command. but as per man page when using this option the filesystem will likely appear to be corrupt, and can cause the loss of user files and/or data? Man xfs_repair : -L : Force Log Zeroing. Forces xfs_repair to zero the log even if it is dirty (contains metadata changes). When using this option the filesystem will likely appear to be corrupt, and can cause the loss of user files and/or data. Regards, Pawan. Regards, Pawan. On Wed, Mar 25, 2020 at 7:54 PM Emmanuel Florac <eflorac@xxxxxxxxxxxxxx> wrote: > > Le Tue, 24 Mar 2020 23:58:24 +0530 > Pawan Prakash Sharma <pawanprakash101@xxxxxxxxx> écrivait: > > > >Your problem is that the log is dirty. You need to mount it once to > > clean up the log, then you'll be able to change the UUID. > > > > But why xfs_freeze is not clearing that as man page says that it does > > that? > > Please reply to the list so that anyone interested can learn about it. > > This is mentioned in the man page at the next line: > > Note that even after freezing, the on-disk filesystem can contain > information on files that are still in the process of unlinking. > These files will not be unlinked until the filesystem is unfrozen or a > clean mount of the snapshot is complete. > > You probably have open unlinked files (such as temporary files). It's > very common. > > -- > ------------------------------------------------------------------------ > Emmanuel Florac | Direction technique > | Intellique > | <eflorac@xxxxxxxxxxxxxx> > | +33 1 78 94 84 02 > ------------------------------------------------------------------------
