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Showing 1 to 2 of 2 for “"qcow2"”.
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Clouds of glass: fragility of virtual machine disk images
… virtual machine software QEMU, we show that its qcow2 virtual hard disk format is vulnerable to failures. We then introduce and analyze two alternative solutions to RAID1 (mirror) that use less disk space and are more convenient to use. As a baseline, the qcow2 format is the easiest to use, uses …
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Resilire: Achieving High Availability Through Virtual Machine Live Migration
… different disk formats including raw and Qcow2. Our experimental studies reveal that FDM reduces the downtime by as much as 87%, and reduces the total migration time by as much as 58% over competitors including pre-copy or post-copy disk migration mechanisms and the disk migration …