[fedora-virt] QCOW2 vs QROW2 Disks

Jorge Fábregas jorge.fabregas at gmail.com
Sat Oct 27 20:37:20 UTC 2012


Hi there,

I'm just curious:  Where does the "Copy on Write" (from QCOW) comes
from?  Everything I've been reading regarding how snapshots work with
QEMU points to a "redirect on write" approach.  Or is the COW part
related to some other internal mechanism (not related to snapshots)?

Thanks in advance,
Jorge


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