Invention Grant
- Patent Title: Memory error handling during and/or immediately after a virtual machine migration
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Application No.: US16816653Application Date: 2020-03-12
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Publication No.: US11544153B2Publication Date: 2023-01-03
- Inventor: Aravinda Prasad
- Applicant: International Business Machines Corporation
- Applicant Address: US NY Armonk
- Assignee: International Business Machines Corporation
- Current Assignee: International Business Machines Corporation
- Current Assignee Address: US NY Armonk
- Agent Aaron N. Pontikos
- Main IPC: G06F11/14
- IPC: G06F11/14 ; G06F9/455 ; G06F12/1009 ; G06F11/20

Abstract:
According to aspects of the present disclosure, systems and methods can be provided to recover from memory errors that occur during or following a virtual machine migration. Methods, computer program products and/or systems are provided for handling memory error that perform the following operations: (i) obtaining a memory address that triggered an uncorrected error on a first host associated with a virtual machine migration; (ii) computing a page associated with the memory address; (iii) determining if a copy of the page associated with the memory address is available on a second host associated with the virtual machine migration; (iv) obtaining data from the copy of the page on the second host; and (v) generating a new page on the first host with the data obtained from the second host.
Public/Granted literature
- US20210286686A1 MEMORY ERROR HANDLING DURING AND/OR IMMEDIATELY AFTER A VIRTUAL MACHINE MIGRATION Public/Granted day:2021-09-16
Information query