On Tue, Jul 24 2012 at 10:21am -0400, Fred van Zwieten <fvzwieten@vxcompany.com> wrote: > I agree, but that doesn't answer my questions ;-) please don't top-post. The old dm-snapshot cannot scale to 150 concurrent read-only snaps.. sorry. There would be a 150-way copy out to the 150 different COW areas. Aka, the dm-snapshot N-way copy-out penalty thinp snapshots use a single shared pool for the COW area. _______________________________________________ linux-lvm mailing list linux-lvm@redhat.com https://www.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/