tag 578856 confirmed thanks Rob Walker wrote: > Here's the results of the commands you requested: > > [...@makalu ~]$ df -P --type=ext2 --type=ext3 --type=ext4 --type=xfs > Filesystem 1024-blocks Used Available Capacity Mounted on > /dev/sda1 307663800 229912116 74626000 76% /mnt/disk > /dev/sda1 307663800 229912116 74626000 76% /srv > /dev/sda1 307663800 229912116 74626000 76% /usr > /dev/sda1 307663800 229912116 74626000 76% /var > > [...@makalu ~]$ grep '/mnt' /proc/mounts > /dev/sda1 /mnt/disk ext3 rw,noatime,errors=continue,data=writeback 0 0 > > But /proc/mounts also contains: > /dev/sda1 /srv ext3 rw,noatime,errors=continue,data=writeback 0 0 > /dev/sda1 /usr ext3 rw,noatime,errors=continue,data=writeback 0 0 > /dev/sda1 /var ext3 rw,noatime,errors=continue,data=writeback 0 0 > > So there's no distinction between the real mount and the bind mount....
Indeed, that is weird. I speculate that df's output can be traced back to this. I don't know how I missed this during testing... I'll use /etc/mtab instead, and it clearly shows bind mounts as bind mount. There is the possibility of /etc/mtab not being up-to-date (eg. mount -n), but there's really nothing we can do about this. Thanks Christian
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