Source: http://www.google.com.hk/patents/US7930377
Timestamp: 2013-05-19 16:18:33
Document Index: 582013651

Matched Legal Cases: ['Application No. 05', 'Application No. 05798761', 'Application No. 05798761', 'Application No. 200580032948', 'Application No. 200580032948', 'Application No. 200580032888', 'Application No. 200580032947']

�M�Q US7930377 - Method and system for using boot servers in networks - Google �M�Q�j�M �Ϥ� �a�� Play YouTube �s�D Gmail ���ݵw�� ��h »�i���M�Q�j�M | �������� | �n�J�i���M�Q�j�M�M�QA method and system for booting a server and/or server blade in a network is provided. The system includes, a boot server that is used to store plural WWPNs, an active profile for the server and a boot schedule, wherein a HBA registers a default WWPN and/or HBA profile with the boot server and if the...http://www.google.com.hk/patents/US7930377?utm_source=gb-gplus-share�M�Q US7930377 - Method and system for using boot servers in networks���}��US7930377 B2�X���������v�ӽЮѽs��10/957,465�o�G���2011�~4��19���ӽФ��2004�~10��1�� �u���v���2004�~4��23����L���}�M�Q��US20060047852�o��HEdward C McGlaughlinShishir Shah��M�Q�v�HQlogic, CorporationQlogic Corporation ���M�Q������709/222��ڱM�Q������G06F15/16 �X�@����G06F9/4405H04L29/08549H04L29/08981H04L29/08963 �ڬw������H04L 29/08N9SG06F 9/44A2�ѦҤ��m�M�Q�ޥ� (114)�D�M�Q�ޥ� (221)�Q�H�U�M�Q�ޥ� (1)�~���s�����M�Q�ӼЧ� ���M�Q�ӼЧ��M�Q����T�� �ڬw�M�Q��Method and system for using boot servers in networksUS 7930377 B2�K�n A method and system for booting a server and/or server blade in a network is provided. The system includes, a boot server that is used to store plural WWPNs, an active profile for the server and a boot schedule, wherein a HBA registers a default WWPN and/or HBA profile with the boot server and if the HBA is configured to boot using a management application, the boot server provides a WWPN to the HBA. The management application includes, a graphical user interface for creating a LUN for a storage system and assigning the LUN to be a boot LUN, wherein the graphical user interface can access a boot server for booting a server.
(b) registering a default world wide port number (��WWPN��) with the boot server stored at the switch
registers a default world wide port number (��WWPN��) with the boot server stored at the switch,
wherein the management application provides a graphical user interface to a user for creating a logical unit number (��LUN��) and assigning the LUN to operate as a boot LUN;
15. The system of claim 14, wherein the information registered with the boot server is used for another re-boot operation. ����
CROSS REFERENCE TO RELATED APPLICATIONS This application claims priority. under 35 U.S.C. ��119(e) (1) to the provisional patent application, Ser. No. 60/565,060 filed on Apr. 23, 2004, the disclosure of which is incorporated herein by reference in its entirety.
Storage area networks (��SANs��) are commonly used to store and access data. A SAN is a high-speed sub-network of shared storage devices, for example, disks and tape drives. A computer system (may also be referred to as a ��host��) can access data stored in the SAN.
Host systems often communicate with storage systems via a host bus adapter (��HBA��) using the ��PCI�� bus interface. PCI stands for Peripheral Component Interconnect, a local bus standard that was developed by Intel Corporation®. The PCI standard is incorporated herein by reference in its entirety. PCI is a 64-bit bus and can run at clock speeds of 33 or 66 MHz.
The iSCSI standard (incorporated herein by reference in its entirety) is based on Small Computer Systems Interface (��SCSI��), which enables host computer systems to perform block data input/output (��I/O��) operations with a variety of peripheral devices including disk and tape devices, optical storage devices, as well as printers and scanners. A traditional SCSI connection between a host system and peripheral device is through parallel cabling and is limited by distance and device support constraints. For storage applications, iSCSI was developed to take advantage of network architectures based on Fibre Channel and Gigabit Ethernet standards. iSCSI leverages the SCSI protocol over established networked infrastructures and defines the means for enabling block storage applications over TCP/IP networks. iSCSI defines mapping of the SCSI protocol with TCP/IP.
Conventional systems manually associate a HBA's worldwide port number (��WWPN��) provided by the HBA manufacturer to a server blade. The WWPN is manually entered for LUN masking. ��CTRL Q�� utility is used for each blade's WWPN and to identify boot LUNs. Conventional systems are manual and tedious since boot information is not available at a single point.
SUMMARY OF THE INVENTION In one aspect of the present invention, a method for booting a server and/or server blade in a network is provided. The method includes, registering a default world wide port number information (��WWPN��) and/or HBA Profile with a boot server; returning a WWPN and/or HBA profile that the server needs to use for booting, wherein a switch returns the WWPN and/or HBA profile; querying the boot server for a list of boot devices; and returning a list of boot devices to the server, wherein the switch returns the list.
FIG. 1A shows a top-level block diagram of a SAN 100. SAN 100 includes plural server blades 113 coupled to Fibre Channel switch blades 114 (individual Fibre Channel switch blade shown as 103 and may be referred to as a ��switch blade 103��) that are coupled to a Fibre Channel fabric 104. A single server blade 102A includes local drive (or storage) 129 and a central processing unit 102B.
Storage sub-system (may also be referred to as ��FC-Storage��) 108 is also coupled to fabric 104 and accessible to server blades 113. Storage sub-system 108 includes plural storage devices (tape drives, disks or any other storage media) 109-112 with Data LUNs 107. Boot LUNs 105 are also coupled to storage sub-system 108 to store boot information.
It is noteworthy that host system 101A, as referred to herein, may include a computer, server or other similar devices, which may be coupled to storage systems. Host system 101A can access random access memory (��RAM�� for example, memory 101), and read only memory (��ROM��) (not shown), and includes other components to communicate with various SAN modules.
HBA 106 includes various components to facilitate data transfer between server blades and storage sub-systems 108 and 108A. HBA 106 includes processors (may also be referred to as ��sequencers��) for receive and transmit side, respectively for processing data received from storage sub-systems 108 and 108A and transmitting data to storage sub-systems 108 and 108A. Transmit path in this context means data path from host memory 101 to the storage systems via HBA 106. Receive path means data path from storage subsystem via adapter 106.
Beside dedicated processors on the receive and transmit path, HBA 106 also includes a central processor, which may be a reduced instruction set computer (��RISC��) for performing various functions.
HBA 106 also includes Fibre Channel interface (also referred to as Fibre Channel protocol manager ��FPM��) in receive and transmit paths, respectively to interface with switch blade 103.
FIG. 2 shows a management utility application that is used for managing boot servers, according to one aspect of the present invention. In one aspect of the present invention, virtual disk service (��VDS��) architecture 200 and the storage network industry association (��SNIA��) initiative ��SMS-S�� is used to provide a graphical user interface for efficiently managing storage area networks via management application 203. SMS-S specification, incorporated herein by reference in its entirety, provides a common interface for implementing management functionality.
Microsoft Corporation® that markets Windows Server 2003® and Windows Storage Server 2003® provides a virtual disk service (��VDS��) program for managing storage configurations under Microsoft Server Operating Systems.
Disk management utility 202, management application 203 and command line interface utility 204 allow a SAN vendor to use application-programming interfaces (��APIs��) to build applications/solutions for managing SANs. Management application 203 may be used to build vendor specific application.
Fibre Channel switches may use multiple modules (also referred to as ��blades��) connected by Fibre Channel ports. A multi-module switch is integrated as a single switch and appears to other devices in the Fibre Channel fabric as a single switch.
Fibre Channel Generic Services (FC-GS-3) specification describes in section 5.0 various Fibre Channel services that are provided by Fibre Channel switches including using a ��Name Server�� to discover Fibre Channel devices coupled to a fabric.
In step S302, the server (or the server blade in case of bladed servers) is booted. In step S304, the server (via HBA 106 BIOS) registers with Name Server 304 and boot server 202A. The name property includes the default WWPN, Port identifier (��Port ID��) and the Server property. The server property includes name, location and serial number of the server blade. In one aspect, HBA 106 BIOS calls into server system BIOS and retrieves the Serial Number of the server chassis and slot location of the server blade (if applicable). HBA 106 may compute a WWPN or use the default WWPN that is provided by the HBA 106 manufacturer and stored in HBA memory (for example, non-volatile random access memory).
FIGS. 6A-6E show a graphical user interface accessible via management application 203 for creating a boot LUN, according to one aspect of the present invention. FIG. 6A shows a sub-system 600A (IBM FAStT200) for which a LUN is created. FIG. 6B shows a screen shot where the LUN can be configured using the ��Configure and Add�� option 600B. FIG. 6C shows in window 602 the HBAs that are allowed to access the new LUN. Also, a user can check block 600 to specify the new LUN to be used as a boot LUN.
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