Daniel Rock wrote: > Jonathan schrieb: >> OpenSolaris Forums wrote: >>> if you have a snapshot of your files and rsync the same files again, >>> you need to use "--inplace" rsync option , otherwise completely new >>> blocks will be allocated for the new files. that`s because rsync will >>> write entirely new file and rename it over the old one. >> >> ZFS will allocate new blocks either way > > No it won't. --inplace doesn't rewrite blocks identical on source and > target but only blocks which have been changed. > > I use rsync to synchronize a directory with a few large files (each up > to 32 GB). Data normally gets appended to one file until it reaches the > size limit of 32 GB. Before I used --inplace a snapshot needed on > average ~16 GB. Now with --inplace it is just a few kBytes.
It appears I may have misread the initial post. I don't really know how I misread it, but I think I missed the snapshot portion of the message and got confused. I understand the interaction between snapshots, rsync, and --inplace being discussed now. My apologies, Jonathan _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
