[linux-lvm] Determine boot disk device name...
alexanders.mailinglists+nospam at gmail.com
Tue Oct 26 08:29:41 UTC 2010
2010/10/25 Malahal Naineni <malahal at us.ibm.com>
> Alexander Skwar [alexanders.mailinglists+nospam at gmail.com<alexanders.mailinglists%2Bnospam at gmail.com>]
> > I also wanted to suggest this, but…
> > benutzer at horst:~$ cat /proc/cmdline
> > root=/dev/xvda1 ro
> I got confused with boot and root! Thanks for correction. Usually boot
> disk is mounted at /boot. Your boot disk could be same as root disk (in
> this case there would not be anything mounted at /boot but just a
Well, but even the location of the /boot directory/partition doesn't
necessarily tell, from where someone booted - suppose, you've got
a boot disk /dev/sda. On /dev/sda, there's grub. Grub's setup so,
that it boots a system/kernel, which is on /dev/sdb. The system
is "self contained" on /dev/sdb.
In such a case, the system would've been booted from /dev/sda,
but there's no way to tell that, once the "/dev/sdb system" has
been started - or is there?
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