Resource-preserving system upgrade
First Claim
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1. A method comprising:
- receiving a request to add a new system resource to a client network;
establishing a first connection between the new system resource and the client network;
establishing a second connection between the new system resource and an existing system resource operating as a system controller;
transferring, by the system controller, a system controller role from the existing system resource to the new system resource to enable the new system resource to operate as the system controller; and
removing an original frontend connection between the client network and the existing system resource, the existing system resource to operate as a backend resource for the new system resource.
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Abstract
In one implementation, a method includes receiving a request to add a new system resource to a client network. The method further includes establishing a first connection between the new system resource and the client network. The method further includes establishing a second connection between the new system resource and an existing system resource. The method further includes transferring, by a system controller, a system controller role from the existing system resource to the new system resource.
141 Citations
20 Claims
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1. A method comprising:
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receiving a request to add a new system resource to a client network; establishing a first connection between the new system resource and the client network; establishing a second connection between the new system resource and an existing system resource operating as a system controller; transferring, by the system controller, a system controller role from the existing system resource to the new system resource to enable the new system resource to operate as the system controller; and removing an original frontend connection between the client network and the existing system resource, the existing system resource to operate as a backend resource for the new system resource. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A storage system comprising:
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a plurality of storage devices in a storage array; and a storage array controller, operatively coupled to the storage array, to; receive a request to add a new system resource to the storage system; establish a first connection between the new system resource and a client network; establish a second connection between the new system resource and an existing system resource operating as a system controller; transfer a storage controller role from the existing system resource to the new system resource to enable the new system resource to operate as the system controller; and remove an original frontend connection between the client network and the existing system resource, the existing system resource to operate as a backend resource for the new system resource. - View Dependent Claims (12, 13, 14, 15, 16, 17)
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18. An apparatus, comprising:
a system controller to; receive a request to add a new system resource to a storage system; establish a first connection between the new system resource and a client network; establish a second connection between the new system resource and an existing system resource operating as the system controller; transfer a storage controller role from the existing system resource to the new system resource to enable the new system resource to operate as the system controller; and remove an original frontend connection between the existing system resource and the client network the existing system resource to operate as a backend resource for the new system resource. - View Dependent Claims (19, 20)
Specification