On 01/03/2017 11:04 AM, Daniel P. Berrange wrote: > By default the PBKDF algorithm used with LUKS is tuned > based on the number of iterations to produce 1 second > of running time. This makes running the I/O test with > the LUKS format orders of magnitude slower than with > qcow2/raw formats. > > When creating LUKS images, set the iteration time to > a 10ms to reduce the time overhead for LUKS, since > security does not matter in I/O tests. > > Previsouly a full 'check -luks' would take
s/Previsouly/Previously/ -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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