>On 16 December 2002 23:06, Bourne wrote:
>
>
>>I have 3 partitions. /dev/hda3 for '/' , /dev/hda1 for /boot and
>>/dev/hda2 for swap.
>>
>>I boot & then i do a CTRL+ALT+SYSRQ+U. '/' and '/boot' are now
>>remounted ReadOnly.
>>
>>1) cd '/boot'
>>2) umount /boot ----> This gives me an error "Device Busy"
>>
>>
>
>How do you imagine unmounting a directory when you are in it? ;)
>
>
This is possible with a kernel patch called forced unmount. It will
blow away the mount point even if there are files open in it or not.
The best part is it properly closes the superblock so the filesystem
doesn't have to be fsck'ed.
>
>
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