[evms-devel] [linux-lvm] [ANNOUNCE] LVM reimplementation ready for beta testing

[Alan Cox]

> > this graph (except the volume group). But in reality, we don't want someone 
> > coming along and mucking with md0 or with LV2 or with any of the disk 
> > partitions, because they are all in use by the two volumes at the top.
> 
> It's the user's fault if they choose to write on such a device.

You want access to the raw devices as well as the virtual volumes. You
try doing SMART diagnostics online on an md volume if you can't get
at /dev/hd* and /dev/sd*.

You don't want to mount both layers at once I suspect, but even that
may be questionable for a read only mirror.

Alan