CA2481340A1 - Apparatus and method for defining a static fibre channel fabric - Google Patents

Apparatus and method for defining a static fibre channel fabric Download PDF

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Publication number
CA2481340A1
CA2481340A1 CA002481340A CA2481340A CA2481340A1 CA 2481340 A1 CA2481340 A1 CA 2481340A1 CA 002481340 A CA002481340 A CA 002481340A CA 2481340 A CA2481340 A CA 2481340A CA 2481340 A1 CA2481340 A1 CA 2481340A1
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Prior art keywords
fabric
switch
switches
domain
name
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CA002481340A
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French (fr)
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CA2481340C (en
Inventor
Claudio Desanti
Marco Dibenedetto
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Cisco Technology Inc
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Individual
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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0876—Aspects of the degree of configuration automation
    • H04L41/0879—Manual configuration through operator
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46—Multiprogramming arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0803—Configuration setting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H04L45/02—Topology update or discovery
    • H04L45/036—Updating the topology between route computation elements, e.g. between OpenFlow controllers

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Software Systems (AREA)
  • Computing Systems (AREA)
  • Multi Processors (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Small-Scale Networks (AREA)
  • Computer And Data Communications (AREA)

Abstract

A storage area network and method for defining a static Fibre Channel Fabric that does not require a Principal Switch. The storage area network comprises one or more hosts, one or more storage devices, and a static Fabric connecti ng the one or more hosts and storage devices. Within the static Fabric, the Switches have their Domain_ID and Fabric_Name statically set. The method comprises accessing the Fabric, selecting a Switch in the Fabric, and statically configuring the Domain_ID and Fabric_Name for the selected Switch . The above sequence is repeated for each Switch in the static Fabric. In one embodiment, after being statically configured, the Switch is isolated from a ny dynamically set Switches in the Fabric. The Switch detects which of its Port s are connected to dynamically set Switches, and then isolates them, while maintaining operational the Ports connected to statically configured Switche s.

Claims (26)

1. A method of defining a storage area network Fabric, comprising:
statically defining the Fabric by statically configuring the Domain_ID
and Fabric_Name for each selected Switch in the Fabric.
2. The method of claim 1, wherein the configuring of the Domain_ID and Fabric_Name for each Switch in the Fabric further comprises disabling a domain manager for each Switch.
3. The method of claim 2, wherein the configuring of the Domain_ID and Fabric_Name for each Switch in the Fabric further comprises writing the Domain_ID
and Fabric_Name into a memory for each Switch respectively.
4. The method of claim 3, further comprising assigning any end devices coupled to the statically configured switches their FC_IDs after the Domain_ID and Fabric_Name is written into the memory for each Switch respectively.
5. The method of claim 3, wherein, after the Domain_ID and Fabric_Name for each Switch is written, logically isolating the Switch from any dynamically configured Switches in the fabric.
6. The method of claim 5, wherein the logical isolation of the Switch further comprises:
receiving at Ports of the Switch a first message indicative of the selection of a Principal Switch from any of the dynamically configured switches;
sending a reject message to any of the dynamically configured Switches that sent the first message; and isolating the Ports between the Switch and any of the dynamically configured Switches that sent the first message.
7. The method of claim 6, wherein the message includes one of the following types of messages: EFP, BF, RCF, DIA or RDI.
8. The method of claim 1, further comprising statically configuring the Switches by accessing the Fabric through a management application or command line interpreter.
9. The method of claim 1, wherein the defining the static Fabric further comprises:
a. accessing the Fabric;
b. selecting a first Switch in the Fabric to be statically configured;
c. disabling a domain manager associated with the first Switch;
d. configuring the Domain_ID and the Fabric_Name of the first Switch;
e. repeating b through d for each of the statically configured Switches in the fabric.
10. The method of claim 1, further comprising dynamically defining the statically configured Fabric by enabling a domain manager for each selected Switch in the Fabric
11. A storage area network, comprising:
one or more hosts;
one or more storage devices; and a static Fabric connecting the one or more hosts and storage devices, the static Fabric having one or more Switches having their Domain_ID and Fabric_Name statically configured.
12. The storage area network of claim 11, wherein the one or more Switches having their Domain_ID and Fabric_Name statically configured are peer-to-peer equals within the static Fabric.
13. The storage area network of claim 11, wherein the one or more Switches further comprise an isolation mechanism that is invoked whenever a statically configured Switch is linked to a dynamically configured Switch, the isolation mechanism logically isolating the statically configured Switch and the dynamically configured Switch.
14. The storage area network of claim 11, further comprising a management application or command line interpreter coupled to the fabric for accessing the fabric.
15. A method of configuring a storage area network Fabric, comprising:
a. accessing the Fabric;
b. selecting a Switch in the Fabric;
c. disabling a domain manager associated with the selected Switch;
d. statically configuring the Domain_ID and Fabric_Name for the selected Switch; and e. repeating b through d for each Switch in the Fabric to be statically configured.
16. The method of claim 15, further comprising assigning any end devices coupled to the statically configured Switches their FC_IDs after the Domain_ID and Fabric_Name is written into the memory for each selected Switch respectively.
17. The method of claim 15, wherein, after the Domain_ID and Fabric_Name for each selected Switch is written, logically isolating the Switch from any dynamically configured Switches in the Fabric.
18. The method of claim 17, wherein the logical isolation of each of the selected Switches further comprises:
receiving at the selected Switch a first message indicative of the selection of a Principal Switch from any of the dynamically configured switches;
sending a reject message to any of the dynamically set Switches that sent the first message; and isolating the Ports between the selected Switch and any of the dynamically configured Switches that sent the first message.
19. The method of claim 15, wherein the Fabric is accessed over a management application or command line interpreter.
20. The method of claim 15, further comprising disabling a domain manager associated with the selected Switch before statically configuring the Domain_ID and Fabric_Name for the selected Switch.
21. A method comprising:
providing a Fabric, the Fabric having a plurality of Switches, each of the Switches having a Domain_ID and a Fabric_Name;
providing an access to the Fabric; and enabling the static configuration of the plurality of the Switches of the Fabric through the access to the Fabric.
22. The method of claim 21, further comprising:
enabling a Switch to be selected among the plurality of Switches of the Fabric through the access; and disabling a domain manager associated with the selected Switch before the static configuration of the Domain_ID and Fabric_Name for the selected Switch.
23. The method of claim 22, wherein, after the Domain_ID and Fabric_Name for the selected Switch is written, logically isolating the selected Switch from any dynamically configured Switches in the Fabric.
24. The method of claim 23, wherein the logical isolation of the selected Switch further comprises:
receiving at the selected Switch a first message indicative of the selection of a Principal Switch from any of the dynamically configured switches;
sending a reject message to any of the dynamically configured Switches that sent the first message; and isolating the Ports between the selected Switch and any of the dynamically configured Switches that sent the first message.
25. The method of claim 21, wherein providing the access to the Fabric further comprises providing access to remote party outside of the fabric.
26. The method of claim 22, further comprising dynamically reconfiguring the Fabric by allowing the domain manager associated with the selected Switch to be enabled.
14~
CA2481340A 2002-04-05 2003-03-25 Apparatus and method for defining a static fibre channel fabric Expired - Fee Related CA2481340C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/118,386 US7606167B1 (en) 2002-04-05 2002-04-05 Apparatus and method for defining a static fibre channel fabric
US10/118,386 2002-04-05
PCT/US2003/009332 WO2003088050A1 (en) 2002-04-05 2003-03-25 Apparatus and method for defining a static fibre channel fabric

Publications (2)

Publication Number Publication Date
CA2481340A1 true CA2481340A1 (en) 2003-10-23
CA2481340C CA2481340C (en) 2012-12-18

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CA2481340A Expired - Fee Related CA2481340C (en) 2002-04-05 2003-03-25 Apparatus and method for defining a static fibre channel fabric

Country Status (8)

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US (2) US7606167B1 (en)
EP (1) EP1493087A1 (en)
JP (1) JP2005522774A (en)
KR (1) KR101121249B1 (en)
CN (1) CN1317647C (en)
AU (1) AU2003226026A1 (en)
CA (1) CA2481340C (en)
WO (1) WO2003088050A1 (en)

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Also Published As

Publication number Publication date
US7606167B1 (en) 2009-10-20
US8098595B2 (en) 2012-01-17
EP1493087A1 (en) 2005-01-05
AU2003226026A1 (en) 2003-10-27
KR20040101395A (en) 2004-12-02
CN1317647C (en) 2007-05-23
KR101121249B1 (en) 2012-03-23
US20090327518A1 (en) 2009-12-31
CA2481340C (en) 2012-12-18
JP2005522774A (en) 2005-07-28
CN1647051A (en) 2005-07-27
WO2003088050A1 (en) 2003-10-23

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