[ale] cleaning out /tmp

[Michael B. Trausch]

Jeff Lightner, on 09/03/2007 10:31 AM said:
> lost+found is used by journaled filesystems as a location to store those
> files it couldn't completely identify by (fully qualified path) name
> during a "full" fsck.  It dumps them in there with numeric names so that
> you can examine them and decide whether you want to keep them.   (Sort
> of like the old chkdisk CHK0000# files you'd get sometimes after running
> DOS' chkdisk.)
> 
> Since it is /tmp and you intend to delete all the files on a reboot
> anyway there's no real benefit to having it there - on the flip side
> since it takes a single inode and few bytes (when empty) there seems to
> be no real reason not to leave it alone.
> 
> By the way - if you did cron a clean out rather than only have it happen
> on reboots you'd want to insure that the clean out script was only
> deleting files not currently "open" by some process.  Running fuser or
> lsof against the files you intend to delete before doing so to be sure
> they're not open would be a good idea in such a script.
> 

Isn't this why some places simply have cron reboot their server once per
week or something like that?

	-- Mike

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