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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 17:38, 7 March 2016
, 8 years ago→Booting From a Volume
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===Booting From a Volume=== | ===Booting From a Volume=== | ||
If running a persistent machine booting from a volume is a safer option. When creating a VM booting from an image, rather than a volume, it will store the VM on the local disk of the actual machine running the VM. If something went wrong with that machine or its disk there is a good chance your VM would be lost. Volume storage has a built in redundancy which will protect your volumes from hardware failure. | If running a persistent machine, booting from a volume is a safer option. When creating a VM booting from an image, rather than a volume, it will store the VM on the local disk of the actual machine running the VM. If something went wrong with that machine or its disk there is a good chance your VM would be lost. Volume storage has a built in redundancy which will protect your volumes from hardware failure. | ||
There are several ways to boot a VM from a volume, you can either create a volume (or use a pre-existing one) and then select to boot from it, or you can create a volume as part of the process of launching a VM. | There are several ways to boot a VM from a volume, you can either create a volume (or use a pre-existing one) and then select to boot from it, or you can create a volume as part of the process of launching a VM. | ||