Am 29.09.2011 15:46, schrieb linux guy: > > Mount point management. > > Is there an easy was to know if a disk is mounted and act accordingly or prevent data from being written to a > mountpoint ? Or to have the mount point disappear when its not mounted ? > > Example > > Lets say I create a mount point /home/me/myth and that /home/me resides on /dev/sda3. > > Lets say that a disk labelled MYTH normally gets mounted there. But lets say that someone accidentally unplugs the > MYTH disk and thus nothing is mounted. Lets say the myth backend starts recording and in the process writing data > to /home/me/myth. If MYTH isn't mounted there, then that data is going to get written to the mount point dir, ie > /dev/sda3. > > Is there any way to prevent that ? /bin/mount $MOUNTPOINT 2> /dev/null > /dev/null mount | grep $MOUNTPOINT > /dev/null if [ $? -ne 0 ] then echo "DISK NOT MOUNTED" exit fi
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