[issue2123] hammer is losing files

Ralf Schmitt ralf at systemexit.de
Tue Aug 30 12:51:37 PDT 2011

Matthew Dillon <dillon at apollo.backplane.com> writes:

>     It could have caught the rsync in the middle, though it isn't supposed
>     to break inode<->file linkages.  rsync might be re-creating the hardlinks
>     on every pass.

rsync is running right before the snapshots are being created, so rsync
itself had already exited (however it didn't sync or sleep in betweeen)

>     Are the other snapshots ok?

they are fine.

>     The most reliable way is to create a manual snapshot as part of your
>     rsync script so the snapshot occurs on a quiescent filesystem.  Something
>     like this:
>     do rsync stuff
>     sync; sleep 5; sync; sleep 5; sync; sleep 5
>     hammer snapshot /backup/sync /var/hammer/backup/sync "rsync snapshot"

I do that now and will watch for similar problems.

Thanks for your help.


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