On 26.04.2011 11:02, Pawel Jakub Dawidek wrote:
Now, what about fstab? There is a problem to figure out which disk we
booted from once we enter the kernel. I was wondering if we could detect
that someone is trying to mount root which from 'ad[0-9]+<X>' and
then we could scan all ada[0-9]+<X> looking for UFS file system and
/etc/fstab in there and / entry which matches vfs.root.mountfrom variable.
This should cover 99% of cases. 1% is for cases where another disk have
identical partitioning scheme and /etc/fstab file. There also might be
cases where someone defines vfs.root.mountfrom in /boot/loader.conf and
doesn't really use /etc/fstab.
I think it will be unpredictable. Many disks may have s1a and especially
s1d.
What do you think about this:
http://docs.freebsd.org/cgi/mid.cgi?4DB54BA9.5050901
? I've found that zpool utility don't likes symbolic links, but except
this and together with fixing hardcoding problem IMHO it looks not bad.
--
Alexander Motin
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