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Title: US7124324: Method of testing fiber channel ports in a storage server at full bandwidth without connection to external devices
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Country: US United States of America

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11 pages

 
Inventor: Au, Wing Y.; Sunnyvale, CA, United States of America

Assignee: 3PARdata, Inc., Fremont, CA, United States of America
other patents from 3PARDATA, INC. (812063) (approx. 1)
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Published / Filed: 2006-10-17 / 2002-08-22

Application Number: US2002000226762

IPC Code: Advanced: G06F 11/00;
Core: more...

ECLA Code: G06F11/267B;

U.S. Class: 714/029; 714/028;

Field of Search: 714/029,28,27,716,717 710/031

Priority Number:
2002-08-22  US2002000226762

Abstract:     A data storage system includes a plurality of disk drives for data storage. A storage server controls the reading and writing of data to the disk drives. The storage server can be tested prior to connecting the disk drives and other components of the data storage system by connecting ports of the storage server to other ports of the storage server. One of the connected ports is changed from an initiator to a target to simulate a the target state of a disk drive. The server can test itself at normal data transfer rates using the initiator-target pair just as if it was testing a normal server/disk drive connection, but without having to test the actual disk drive and without having to detect or distinguish any problems that may exist with the disk drive and its connection, or other components that may be in the loop.

Attorney, Agent or Firm: Patent Law Group LLP ;

Primary / Asst. Examiners: Baderman, Scott; Lohn, Joshua

INPADOC Legal Status: Show legal status actions

Parent Case: CROSS REFERENCE TO RELATED APPLICATIONS
    This application is related to U.S. patent application Ser. No. 09/633,088 entitled “Data Storage System,” and to U.S. patent application Ser. No. 09/751,649 entitled “Communication Link Protocol Optimized For Storage Architectures,” which are hereby incorporated by this reference in their entirety.

Family: None

First Claim:
Show all 25 claims
    1. A method of testing a data connection between two ports of a data storage system including a storage server, the method comprising:

connecting a port of the storage server to another port of the storage server;

detecting the connected ports of the storage server;

changing one of the connected ports into target mode operation, wherein said changing one of the connected ports comprises creating a virtual disk at the port changed into target mode operation; and

transferring data between the connected ports, thereby simulating normal operation of the data storage system.



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Forward References: Show 2 U.S. patent(s) that reference this one

       
U.S. References: Go to Result Set: All U.S. references   |  Forward references (2)   |   Backward references (9)   |   Citation Link

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Patent  Pub.Date  Inventor Assignee   Title
Buy PDF- 24pp US5136590  1992-08 Polstra et al.  John Fluke Mfg. Co., Inc. Kernel testing interface and method for automating diagnostics of microprocessor-based systems
Buy PDF- 13pp US6038618  2000-03 Beer et al.  International Business Machines Corporation Bypass circuit for bypassing host computer which are connected to plurality of devices via two individual ports upon detecting lack of communication at both ports
Buy PDF- 13pp US6298452  2001-10 Hill  Hewlett-Packard Company Hardware test coverage using inter-chip event filtering in multi-chip simulations
Buy PDF- 7pp US6546498  2003-04 Saegusa  NEC Corporation System and process for detecting/eliminating faulty port in fiber channel-arbitrated loop
Buy PDF- 23pp US6763479  2004-07 Hebert  Sun Microsystems, Inc. High availability networking with alternate pathing failover
Buy PDF- 23pp US6766466  2004-07 Jibbe  LSI Logic Corporation System and method for isolating fibre channel failures in a SAN environment
Buy PDF- 7pp US6832186  2004-12 Margulieux  Hewlett-Packard Development Company, L.P. Persistent emulated data storage using dedicated storage in a target mode disk emulator
Buy PDF- 12pp US7000149  2006-02 Chia et al.  Advanced Micro Devices, Inc. External loopback test mode
Buy PDF- 11pp US20030033563A1  2003-02 Cashman et al.   Method and apparatus for managing a loop network
       
Foreign References: None

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