Method, system and program products for operationally migrating a cluster through emulation
First Claim
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1. A method of updating components in a computing environment, said method comprising:
- updating a component of said computing environment which is associated with at least a portion of a unit of work from one version to another version; and
emulating, by said updated component, said one version, while at least one other component of said computing environment associated with said unit of work remains at said one version, wherein the undated component processes at least a portion of the unit of work concurrent to the non-updated component processing at least a portion of the unit of work.
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Abstract
An updating capability updates a component of a computing environment, while maintaining the availability of the computing environment. In particular, a component of the computing environment which is associated with at least a portion of a unit of work is updated from one version to another version. Subsequently, the updated component emulates the original version, or operates in a compatibility mode, while other components of the computing environment, which are similarly associated with the same unit of work, remain at the original version.
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Citations
43 Claims
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1. A method of updating components in a computing environment, said method comprising:
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updating a component of said computing environment which is associated with at least a portion of a unit of work from one version to another version; and
emulating, by said updated component, said one version, while at least one other component of said computing environment associated with said unit of work remains at said one version, wherein the undated component processes at least a portion of the unit of work concurrent to the non-updated component processing at least a portion of the unit of work. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A system for updating components in a computing environment, said system comprising:
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means for updating a component of said computing environment which is associated with at least a portion of a unit of work from one version to another version; and
means for emulating, by said updated component, said one version, while at least one other component of said computing environment associated with said unit of work remains at said one version, wherein the updated component processes at least a portion of the unit of work concurrent to the non-updated component processing at least a portion of the unit of work. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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25. A system for updating components in a computing environment, said system comprising:
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a computing node adapted to update a component of said computing environment which is associated with at least a portion of a unit of work from one version to another version; and
said computing node being further adapted to emulate, by said updated component, said one version, while at least one other component of said computing environment associated with said unit of work remains at said one version, wherein the updated component processes at least a portion of the unit of work concurrent to the non-updated component processing at least a portion of the unit of work.
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26. An article of manufacture, comprising:
at least one computer usable medium having computer readable program code means embodied therein for causing the updating of components in a computing environment, the computer readable program code means in said article of manufacture comprising;
computer readable program code means for updating a component of said computing environment which is associated with at least a portion of a unit of work from one version to another version; and
computer readable program code means for emulating, by said updated component, said one version, while at least one other component of said computing environment associated with said unit of work remains at said one version, wherein the updated component processes at least a portion of the unit of work concurrent to the non-updated component processing at least a portion of the unit of work. - View Dependent Claims (27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43)
Specification