[linux-lvm] calculating size of metadata.

[Lars Ellenberg]

On Tue, Apr 24, 2012 at 02:23:31PM +0200, Jan-Hendrik Palic wrote:
> Hi there,
> 
> we planning to create a pv and vg on a 19,95TB partition running on
> raid6. One issue I have is the size of the metadata. I am looking
> for a way to calculate the this size, but unfortunatly, I cannot
> find a some.
> Which size should I use?

Depends on how many LVs you intend to have,
and how much LV fragmentation you expect.

I'd estimate 1 to 2 kByte LVM meta data per expected LV,
that should be on the safe side.

-- 
: Lars Ellenberg
: LINBIT | Your Way to High Availability
: DRBD/HA support and consulting http://www.linbit.com