Use of snapshots to reduce risk in migration to a standard virtualized environment
First Claim
Patent Images
1. A non-transitory computer readable medium comprising computer executable instructions which when executed by a computer cause the computer to perform the method of:
- during a process of migrating a source system into a standardized virtual environment, snapshotting virtual machine instances of said source system executing in a hypervisor as virtual machine images in an operational repository of said hypervisor, said virtual machine images in said operational repository comprising short-term snapshots; and
from time to time during said migration process, creating long-term snapshots of said source system by checking given ones of said virtual machine images from said hypervisor operational repository into an image library as image objects,wherein said creating of said long-term snapshots from time-to-time comprises creating said long-term snapshots prior to significant adjustments during said migration process.
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Abstract
During a process of migrating a source system into a standardized virtual environment, virtual machine instances of the source system executing in a hypervisor are snapshotted as virtual machine images in an operational repository of the hypervisor. The virtual machine images in the operational repository are short-term snapshots. From time to time during the migration process, long-term snapshots of the source system are created by checking given ones of the virtual machine images from the hypervisor operational repository into an image library as image objects.
76 Citations
18 Claims
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1. A non-transitory computer readable medium comprising computer executable instructions which when executed by a computer cause the computer to perform the method of:
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during a process of migrating a source system into a standardized virtual environment, snapshotting virtual machine instances of said source system executing in a hypervisor as virtual machine images in an operational repository of said hypervisor, said virtual machine images in said operational repository comprising short-term snapshots; and from time to time during said migration process, creating long-term snapshots of said source system by checking given ones of said virtual machine images from said hypervisor operational repository into an image library as image objects, wherein said creating of said long-term snapshots from time-to-time comprises creating said long-term snapshots prior to significant adjustments during said migration process. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An apparatus comprising:
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a memory; and at least one processor, coupled to said memory, and operative to; during a process of migrating a source system into a standardized virtual environment, snapshot virtual machine instances of said source system executing in a hypervisor as virtual machine images in an operational repository of said hypervisor, said virtual machine images in said operational repository comprising short-term snapshots; and from time to time during said migration process, create long-term snapshots of said source system by checking given ones of said virtual machine images from said hypervisor operational repository into an image library as image objects, wherein said at least one processor is further operative to create said long-term snapshots from time-to-time by creating said long-term snapshots prior to significant adjustments during said migration process. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17)
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18. An apparatus comprising:
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means for, during a process of migrating a source system into a standardized virtual environment, snapshotting virtual machine instances of said source system executing in a hypervisor as virtual machine images in an operational repository of said hypervisor, said virtual machine images in said operational repository comprising short-term snapshots; and means for, from time to time during said migration process, creating long-term snapshots of said source system by checking given ones of said virtual machine images from said hypervisor operational repository into an image library as image objects, wherein said means for creating said long-term snapshots from time-to-time comprises creating said long-term snapshots prior to significant adjustments during said migration process.
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Specification