The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 08, 2011
Filed:
Nov. 03, 2008
Daniel G. Eisenhauer, Austin, TX (US);
Robert G. Kovacs, Austin, TX (US);
James A. Pafumi, Leander, TX (US);
Jaya Srikrishnan, Wappingers Falls, NY (US);
Daniel G. Eisenhauer, Austin, TX (US);
Robert G. Kovacs, Austin, TX (US);
James A. Pafumi, Leander, TX (US);
Jaya Srikrishnan, Wappingers Falls, NY (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
Maintaining SAN access rights during migration of operating systems including assigning, to a virtual SAN interface adapter of a source virtualization intermediary (SVI') on the source server, at least two world wide port names (WWPN), identifying devices coupled for data communications to the SVI through the primary WWPN; selecting a target physical SAN interface adapter on a target server available to a target virtualization intermediary ('TVI') having a target virtual SAN interface adapter; assigning to the target virtual SAN interface adapter the secondary WWPN; identifying devices coupled for data communications to the TVI through the secondary WWPN; determining whether the devices coupled to the SVI through the primary WWPN are also coupled to TVI through the secondary WWPN; migrating the operating system from the source server to the target server if the devices coupled to the SVI through the primary WWPN are also coupled to TVI through the secondary WWPN.