On Thu, 04 Jul 2013 23:55:38 +0100, Chris Davies wrote: > Slavko <li...@slavino.sk> wrote: >> Dňa 02.07.2013 23:32 John Hasler wrote / napísal(a): >>> Look at the access times. Dotfiles that have not been accessed in >>> years can probably be safely removed. > >> Sure, but do not forget, that the "relatime" (default one) and >> "noatime" mount options are going into play, then the results can be >> inappropriate. > > A filesystem mounted with "relatime" is pretty safe, as for each file > that's accessed, its access time is updated at least once a day. This > from the mount manpage (wheezy) in the section for relatime: > > Access time is only updated if the previous access time was earlier > than the current modify or change time [...] > > Since Linux 2.6.30, the kernel defaults to the behavior provided by > this option [...]. In addition, since Linux 2.6.30, the file's last > access time is always updated if it is more than 1 day old. > > Given the OP is looking for "really old" files that haven't been > accessed, > then the technique will still work on "relatime" filesystems.
Well, yes, "really old" is a guide. But if it's a dotfile that belongs to a package I use, say, once every leap year, I'd still like to have it around. > > A filesystem mounted with "noatime" can probably be switched to > "relatime" > with little or no disadvantageous effect. > > Chris -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/ktj3pn$5uo$2...@ger.gmane.org
