On Wed, 2003-08-20 at 10:35, Hans Wilmer wrote: > Hi! > > Usually, I�m keeping partitions that can be mounted read-only, mounted that > way. Especially the /usr partition is mounted ro. > > To install security-updates (or new packages), I remount /usr by issueing a > �mount /usr -o remount,rw� so that the new software can be installed. After > installation is finished, I remount the partition read-only by �mount /usr > -o remount,ro�. > > But more or less frequently, the request to remount the partition read-only > fails with a message like �mount: /usr is busy�. This is utterly annoying > as I haven�t found any other way than rebooting in order to get the > partition mounted read-only again. > > For example, I just installed the security upgrade of the man-db package on > our mail server, and now I�m unable to remount the /usr partition read-only > again. The mail server is use and I cannt reboot it now ... Another server > is up for 271 days now, but the /usr partition is still mounted writeable > since 200 days or so because of some software update, and an occassion to > reboot it is not in sight. > > Is there any way to do the remounting without a reboot? > > > GH > > If a partition says its busy, find the offending process and stop it or if necessary kill it. install lsof if you dont have it. then do something like lsof|grep usr and see what shows up. =Kev
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