Pre-Grant Publication Number: 20100299472
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Prior Art Detail
#831US7761612: Migrating domains from one physical data processing system to another
Applies to Claims 1
Summary / Description
| Summary / Description | Abstract: A mechanism is provided for migrating domains from one physical data processing system to another are provided. Domains may be assigned direct access to physical I/O devices but in the case of migration, the I/O devices may be converted to virtual I/O devices without service interruption. At this point, the domain may he migrated without limitation..... Once migration back to the original data processing system is completed, the access may be converted back to direct access with the original physical I/O devices. |
Basic Information
| Type of Prior Art | Issued Patents - US |
| Country | United States of America |
| Patent/Application # | 7761612 |
| Kind Code | United States (US) - United STATES Patent - A |
| Patentee Name | International Business Machines Corporation |
| Relevant Pages, Columns, or Lines | Fig. 6, Fig. 7, |
| URL | http://www.freepatentsonline.co... |
| Filing Date | December 7, 2006 |
| Additional Information | |
Notes / To Do
| Notes | |
Excerpt
Excerpt Col. 3 lines 8-21: In yet another illustrative embodiment, a data processing system is provided. The data processing system may comprise a first data processing device and a second data processing device coupled to the first data processing device. A domain, in the first data processing device, may be configured for direct access of a first physical input/output (I/O) device. The domain, in the first data processing device, may be reconfigured for virtualized access of the first physical I/O device via an I/O virtualization mechanism, of the first data processing device, in response to an event requiring migration of the domain. The domain may be migrated from the first data processing device to the second data processing device following reconfiguration of the domain for virtualized access of the first physical I/O device. |
Relevance
Claims
1
Relevance
See the Excerpt: Virtualizing access to a physical I/O device prior to migrating a process is a way of handling the interrupts during the migration.
See the Excerpt: Virtualizing access to a physical I/O device prior to migrating a process is a way of handling the interrupts during the migration.
Claim Chart
Some
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