[DRBD-user] drbd and lvm

Kees Cook kees at osdl.org
Sat Mar 20 01:58:01 CET 2004

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.

On Fri, Mar 19, 2004 at 10:15:33PM +0100, Lars Ellenberg wrote:
> > I would personally prefer running LVM on top of drbd.  That way you can
> > just add more drbd-protected devices and chop up the space as you see fit
> > with LVM, etc.  Much easier to deal with growing stuff.
> But much harder for eventual disk failures.
> Node failure: ok, no problem.
> But if a single "PV" fails, you have to failover the full "VG".
> Ok, you could just let the node in question commit suicide for
> this, but...

Right, sorry, I didn't get into the device details.  I'm assuming that you 
either have an already protected device (either hardware raid or md), 
resulting in the following stack:


> You need to use LVM2 for this to work.

Yup!  That's the situation so far.

Kees Cook
Open Source Development Lab
kees at osdl.org

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