US Patent No: 7,124,169
Number of patents in Portfolio can not be more than 2000
Network system and its switches
Stats
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Oct 17, 2006
Issued date -
Aug 22, 2003
filing date -
10/646,036
serial no -
In Force
status
Importance
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Abstract
A copy management switch is placed in a network that connects a storage device with a computer. This copy management switch is connected to the computer, a first storage device, and a second storage device over the network. The copy management switch copies beforehand data stored in the first storage device to the second storage device. On receiving a read request, which is issued from the computer to the first storage device, the copy management switch converts the read request to the first storage device into a read request to the second storage device, and then transmits the converted read request to the second storage device. The second storage device transfers, to the copy management switch, data corresponding to the read request. The copy management switch transfers the data to the computer as data transferred from the first storage device.
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First Claim
Related Publications
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| 6,643,795 Controller-based bi-directional remote copy system with storage site failover capability | 97 | 2000 | |
| 6,742,020 System and method for managing data flow and measuring service in a storage network | 85 | 2000 | |
| 6,977,927 Method and system of allocating storage resources in a storage area network | 41 | 2000 | |
| 6,947,981 Flexible data replication mechanism | 46 | 2002 | |
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| 6,772,365 Data backup method of using storage area network | 33 | 2000 | |
| 6,701,411 Switch and storage system for sending an access request from a host to a storage subsystem | 24 | 2002 | |
| 6,957,303 System and managing method for cluster-type storage | 12 | 2003 | |
| 2004/0073,677 Computer system using a storage area network and method of handling data in the computer system | 35 | 2003 | |
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| 2004/0078,466 Methods and apparatus for load balancing storage nodes in a distributed network attached storage system | 15 | 2003 | |
| 2004/0088,297 Distributed network attached storage system | 33 | 2003 | |
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| 2003/0236,851 Method and system for improving the efficiency and ensuring the integrity of a data transfer | 3 | 2002 | |
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| 6,449,688 Computer system and process for transferring streams of data between multiple storage units and multiple applications in a scalable and reliable manner | 140 | 2000 | |
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| 6,876,656 Switch assisted frame aliasing for storage virtualization | 49 | 2001 | |
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| 2002/0156,687 Method and apparatus for dynamically maintaining and executing data definitions and/or business rules for an electronic procurement system | 17 | 2001 | |
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| 2003/0020,173 Radio frequency microelectromechanical systems (MEMS) devices on low-temperature co-fired ceramic (LTCC) substrates | 2002 | ||
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| 6,477,618 Data storage system cluster architecture | 7 | 2000 | |
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| 6,654,795 System and method for distribution of network file accesses over network storage devices | 21 | 2000 | |
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| 6,779,119 Actual and perceived response time, user interface, and security via usage patterns | 9 | 1999 | |
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| 6,493,750 Command forwarding: a method for optimizing I/O latency and throughput in fibre channel client/server/target mass storage architectures | 39 | 1998 | |
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| 2002/0103,889 Virtual storage layer approach for dynamically associating computer storage with processing hosts | 131 | 2001 | |
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| 6,691,198 Automatically transmitting scheduling data from a plurality of storage systems to a network switch for scheduling access to the plurality of storage systems | 16 | 2000 | |
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| 2004/0233,910 Storage area network using a data communication protocol | 69 | 2001 | |
Patent Citation Ranking
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Apr 17, 2014 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Apr 17, 2018 |
| Fee | Large entity fee | small entity fee | micro entity fee |
|---|---|---|---|
| Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
| Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |