US Patent No: 7,032,062
Number of patents in Portfolio can not be more than 2000
Disk subsystem
Stats
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Apr 18, 2006
Issued date -
Jul 10, 2003
filing date -
10/615,907
serial no -
In Force
status
Importance
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Abstract
A protocol controller disposed between switches in a fiber channel fabric switch circuit and disk drive units for converting a protocol to enable one-to-one connectivity established between controllers and disk drive units.
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First Claim
Related Publications
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International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| 5,274,645 Disk array system | 144 | 1992 | |
| 5,729,763 Data storage system | 80 | 1995 | |
| 5,768,551 Inter connected loop channel for reducing electrical signal jitter | 57 | 1995 | |
| 5,841,997 Apparatus for effecting port switching of fibre channel loops | 37 | 1995 | |
| 5,867,640 Apparatus and method for improving write-throughput in a redundant array of mass storage devices | 22 | 1997 | |
| 6,195,703 Dynamic routing for performance partitioning in a data processing network | 86 | 1998 | |
| 6,574,667 Dynamic routing for performance partitioning in a data processing network | 52 | 2001 | |
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| 5,222,217 System and method for implementing operating system message queues with recoverable shared virtual storage | 121 | 1989 | |
| 5,617,568 System and method for supporting file attributes on a distributed file system without native support therefor | 91 | 1994 | |
| 5,668,958 Heterogeneous filing system with common API and reconciled file management rules | 82 | 1995 | |
| 5,689,701 System and method for providing compatibility between distributed file system namespaces and operating system pathname syntax | 100 | 1995 | |
| 6,006,342 Failover and failback system for a direct access storage device | 52 | 1997 | |
| 6,061,750 Failover system for a DASD storage controller reconfiguring a first processor, a bridge, a second host adaptor, and a second device adaptor upon a second processor failure | 68 | 1998 | |
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| 5,941,972 Storage router and method for providing virtual local storage | 428 | 1997 | |
| 6,041,381 Fibre channel to SCSI addressing method and system | 175 | 1998 | |
| 6,421,753 Storage router and method for providing virtual local storage | 94 | 1999 | |
| 6,425,035 Storage router and method for providing virtual local storage | 248 | 2001 | |
| 6,425,036 Storage router and method for providing virtual local storage | 56 | 2001 | |
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| 5,752,256 Disk array apparatus and method for dividing and reading/writing partial data across a plurality of drive groups utilizing parallel processing | 33 | 1994 | |
| 5,754,756 Disk array system having adjustable parity group sizes based on storage unit capacities | 86 | 1996 | |
| 6,542,954 Disk subsystem | 39 | 2000 | |
| 6,640,281 Storage subsystem with management site changing function | 13 | 2002 | |
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| 5,737,523 Methods and apparatus for providing dynamic network file system client authentication | 83 | 1996 | |
| 6,098,155 Apparatus and method for streamlining data transfer with existing interconnect bandwidth | 18 | 1996 | |
| 6,356,984 Digital data processing system having a data bus and a control bus | 23 | 1998 | |
| 6,721,317 Switch-based scalable performance computer memory architecture | 17 | 2002 | |
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| 5,675,782 Controlling access to objects on multiple operating systems | 157 | 1995 | |
| 5,761,669 Controlling access to objects on multiple operating systems | 127 | 1995 | |
| 5,931,935 File system primitive allowing reprocessing of I/O requests by multiple drivers in a layered driver I/O system | 46 | 1997 | |
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| 5,963,962 Write anywhere file-system layout | 402 | 1998 | |
| 6,715,034 Switching file system request in a mass storage system | 4 | 1999 | |
| 6,751,680 Protected control of devices by user applications in multiprogramming environments | 48 | 2002 | |
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| 5,890,959 High efficiency blower system with integral backflow preventor | 76 | 1998 | |
| 6,324,181 Fibre channel switched arbitrated loop | 112 | 1998 | |
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| 5,257,391 Disk controller having host interface and bus switches for selecting buffer and drive busses respectively based on configuration control signals | 94 | 1991 | |
| 6,023,754 Multiple channel data bus routing switching including parity generation capabilities | 14 | 1994 | |
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| 5,471,586 Interface system having plurality of channels and associated independent controllers for transferring data between shared buffer and peripheral devices independently | 24 | 1992 | |
| 5,611,056 Method for controlling the expansion of connections to a SCSI bus | 19 | 1995 | |
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| 5,825,877 Support for portable trusted software | 77 | 1996 | |
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| 5,067,099 Methods and apparatus for monitoring system performance | 218 | 1989 | |
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| 6,185,203 Fibre channel switching fabric | 176 | 1997 | |
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| 4,984,272 Secure file handling in a computer operating system | 90 | 1988 | |
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| 6,401,128 System and method for sending and receiving frames between a public device and a private device | 84 | 1999 | |
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| 5,572,711 Mechanism for linking together the files of emulated and host system for access by emulated system users | 41 | 1994 | |
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| 6,289,376 Tightly-coupled disk-to-CPU storage server | 72 | 1999 | |
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| 6,446,141 Storage server system including ranking of data source | 173 | 1999 | |
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| 5,197,495 Make-your-own system for making a cigarette, especially a filter-tipped cigarette | 13 | 1989 | |
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| 5,283,830 Security mechanism for a computer system | 102 | 1992 | |
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| 5,144,659 Computer file protection system | 134 | 1989 | |
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| 6,493,347 Memory organization in a switching device | 147 | 1997 | |
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| 5,202,983 File accessing system using code name to access selected conversion table for converting simplified file name into original file name | 31 | 1989 | |
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| 5,854,903 Optimization method for routing and logical network design in multi-service networks | 116 | 1995 | |
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| 5,915,087 Transparent security proxy for unreliable message exchange protocols | 85 | 1996 | |
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| 4,825,354 Method of file access in a distributed processing computer network | 201 | 1985 | |
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| 5,699,533 Connection apparatus for magnetic disk device | 28 | 1996 | |
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| 5,819,292 Method for maintaining consistent states of a file system and for creating user-accessible read-only copies of a file system | 604 | 1995 | |
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| 4,937,763 Method of system state analysis | 159 | 1988 | |
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| 5,113,442 Method and apparatus for providing access control in a secure operating system | 56 | 1989 | |
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| 5,812,754 Raid system with fibre channel arbitrated loop | 213 | 1996 | |
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| 5,077,736 Disk drive memory | 203 | 1990 | |
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| 6,247,077 Highly-scalable parallel processing computer system architecture | 89 | 1998 | |
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| 6,148,414 Methods and systems for implementing shared disk array management functions | 182 | 1999 | |
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| 5,876,278 Cooling device | 36 | 1997 | |
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 | Oct 18, 2013 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Oct 18, 2017 |
| 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 |