Patent ID: 9529885
Filing Date: 2016-12-27
CPC Classification: G06F

Claim Text:
1. A method comprising: pausing write I/Os for a second virtual machine running at a second site; generating a snapshot of a first virtual machine running at a first site after pausing the write I/Os for the second virtual machine; generating a second bookmark for the second virtual machine; resuming the write I/Os for the second virtual machine after generating the second bookmark; rolling a second journal for the second virtual machine to a point-in-time of the second bookmark; and generating, at the first site, a second snapshot of the second virtual machine for the point-in-time of the second bookmark using the second journal; pausing write I/Os for the first virtual machine; generating a snapshot of the second virtual machine after pausing the write I/Os for the first virtual machine; generating a first bookmark for the first virtual machine after generating the snapshot of the second virtual volume; resuming the write I/Os for the first virtual machine; rolling a first journal for the first virtual machine to the first bookmark; and generating, at the second site, a first snapshot of the first virtual machine for a point-in-time of the first bookmark using the first journal.