On 05/17/2012 11:27 AM, sf...@users.sourceforge.net wrote:
> Tomas M:
>> - a filesystem (any filesystem, including your /cow) can be remounted
>> readonly ONLY if there are no files open from it
>
> Right, but I'd like to add one more note.
> There exists a case that you can remounte the filesystem as readonly
> even if files are opened on it.
> If all files are opened for reading (not writing), you can do it.
>
>
>> 1) when you mount your aufs, set XINO path somewhere in tmpfs in
>> memory, instead of on your /cow filesystem
>
> Or you can use the "noxino" aufs mount option in your shutdown script.
That sounds easier to me...
Maybe something like this?
sync
auplink / flush
mount -n -o remount,ro -t /
if [ -d /cow ]
then
mount -n -o remount,noxino /
mount -n -o remount,mod:/cow=ro /
mount -n -o remount,ro /cow
umount -n /cow # Doesn't matter if this fails, I assume
fi
Thanks,
Ben
--
Ben Greear <gree...@candelatech.com>
Candela Technologies Inc http://www.candelatech.com
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