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Operating Systems Linux Make directory used as mount point read-only Post 302921915 by Peasant on Tuesday 21st of October 2014 05:44:34 AM
Old 10-21-2014
If you are referring to drive being disconnected during backup, you can create something like this which will check if mountpoint is avalible every second, and if it is not it will kill the rsync proces.
Code:
set -x
mount | grep "/test" > /dev/null
if [ $? -eq 0 ]; then
echo "your rsync goes here" & RPID=$!
else
echo "will not rsync, unable to find mountpoint"
fi
e=0
while [ $e -eq 0 ]
do
mount | grep "/test" > /dev/null
if [ $? -gt 0 ]; then
echo "Cannot see mountpoint!, will abort"
e=$(( $e + 1 ))
kill $RPID
sleep 1
fi
done

 

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MSDOSFS(5)						      BSD File Formats Manual							MSDOSFS(5)

NAME
msdosfs -- MS-DOS file system SYNOPSIS
options MSDOSFS DESCRIPTION
The msdosfs driver will permit the FreeBSD kernel to read and write MS-DOS based file systems. The most common usage follows: mount -t msdosfs /dev/ada0sN /mnt where N is the partition number and /mnt is a mount point. Some users tend to create a /dos directory for msdosfs mount points. This helps to keep better track of the file system, and make it more easily accessible. It is possible to define an entry in /etc/fstab that looks similar to: /dev/ada0sN /dos msdosfs rw 0 0 This will mount an MS-DOS based partition at the /dos mount point during system boot. Using /mnt as a permanent mount point is not advised as its intention has always been to be a temporary mount point for floppy and ZIP disks. See hier(7) for more information on FreeBSD direc- tory layout. SEE ALSO
mount(2), unmount(2), mount(8), mount_msdosfs(8), umount(8) AUTHORS
This manual page was written by Tom Rhodes <trhodes@FreeBSD.org>. BSD
October 1, 2013 BSD
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