Layered computer system with thin clients
First Claim
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1. A layered computer system comprising:
- a central system having a central storage manager and a central storage;
a local system having a local storage manager and a local storage, the local system being coupled to the central system;
a plurality of thin client systems, each of the thin client systems being coupled to the local system; and
wherein remote copy operations are used to mirror the central storage and the local storage for use by the thin client systems.
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Abstract
A layered computer system is described in which a central storage system is mirrored to multiple local storage systems for use by thin clients. The system enables the distribution and management of data from a central storage to the multiple local computer systems by using storage-based remote copy technology. The local storage systems provide operating system software, application software, and data to the thin clients. Mirroring of the data between the central storage and the local storages enables a more efficient management of the distributed computer system.
19 Citations
21 Claims
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1. A layered computer system comprising:
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a central system having a central storage manager and a central storage;
a local system having a local storage manager and a local storage, the local system being coupled to the central system;
a plurality of thin client systems, each of the thin client systems being coupled to the local system; and
wherein remote copy operations are used to mirror the central storage and the local storage for use by the thin client systems. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method of providing digital information to a plurality of thin client systems comprising:
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establishing a central storage for storing the digital information;
establishing a local storage for also storing the digital information, the digital information stored on the local storage being stored there by a remote copy operation to copy the information from the central storage to the local storage; and
providing the information from the local storage to the plurality of thin client systems. - View Dependent Claims (10, 11, 12, 13, 14, 15, 19, 20, 21)
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16. A storage system for providing digital information to a plurality of thin client systems which are connectable to a network, the storage system comprising:
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a local storage having at least one volume;
a local storage manager for managing the local storage, which local storage manager stores volume management information about a volume in a central storage which corresponds to the at least one volume in the local storage;
a control program for writing information onto the at least one local volume which corresponds to the information stored on the volume in the central storage, the control program operating in response to a remote copy command; and
a network connection for enabling connection of the local storage to the central storage. - View Dependent Claims (17, 18)
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Specification