On Tue 2017-08-22 (19:19), A L wrote: > Perhaps using a bind mount? It would look and work the same as a ordinary fs. Just need to make sure du uses one filesystem. > > ---- From: Ulli Horlacher <framstag@xxxxxxxxxxxxxxxxxxxx> -- Sent: 2017-08-22 - 18:57 ---- > > > On Tue 2017-08-22 (21:45), Roman Mamedov wrote: > > > >> It is beneficial to not have snapshots in-place. With a local directory of > >> snapshots, issuing things like "find", "grep -r" or even "du" will take an > >> inordinate amount of time and will produce a result you do not expect. > > > > Netapp snapshots are invisible for tools doing opendir()/readdir() > > One could simulate this with symlinks for the snapshot directory: > > store the snapshot elsewhere (not inplace) and create a symlink to it, in > > every directory. Not only du works recursivly, but also find and with option also ls, grep, etc. And it would require a bind mount for EVERY directory. There can be hundreds... thousends! -- Ullrich Horlacher Server und Virtualisierung Rechenzentrum TIK Universitaet Stuttgart E-Mail: horlacher@xxxxxxxxxxxxxxxxxxxx Allmandring 30a Tel: ++49-711-68565868 70569 Stuttgart (Germany) WWW: http://www.tik.uni-stuttgart.de/ REF:<ab52f32.7ade2c3f.15e0af46ee9@xxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
