gharris999;648795 Wrote: 
> But I don't understand what sandwiching LVM under ext4 would get me. 
> I'm not questioning the wisdom of this...I just don't understand.

lvm gives you flexibility.

For example, you might create an md mirror from two physical drives,
and make that an lvm PV and add it to a VG and create one or more LVs
on top. Then, in the future, you might add another md mirror with
another couple of drives and create another PV and add that to the
existing VG, then extend the LV(s) into the new space.

It's not essential, but can be useful.

R.


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robinbowes

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