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Managing your cloud resources with OpenStack: Difference between revisions
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Managing your cloud resources with OpenStack (view source)
Revision as of 18:25, 7 September 2016
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==Booting From a Volume== <!--T:22--> | ==Booting From a Volume== <!--T:22--> | ||
If you want to run a persistent machine, it is safest to boot from a volume. When you boot a VM from an image rather than a volume, the VM is stored on the local disk of the actual machine running the VM. If something goes wrong with that machine or its disk the VM may be lost. Volume storage has redundancy which protects the VM from hardware failure. | If you want to run a persistent machine, it is safest to boot from a volume. When you boot a VM from an image rather than a volume, the VM is stored on the local disk of the actual machine running the VM. If something goes wrong with that machine or its disk the VM may be lost. Volume storage has redundancy which protects the VM from hardware failure. Typically when booting from a volume VM flavors starting with a 'p' are used (see [Virtual machine flavors]). | ||
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