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Method, apparatus, and system for generating and recovering memory snapshot of virtual machine
US9507672B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9507672-B2 |
| Application number | US-201414251785-A |
| Country | US |
| Kind code | B2 |
| Filing date | Apr 14, 2014 |
| Priority date | Oct 12, 2011 |
| Publication date | Nov 29, 2016 |
| Grant date | Nov 29, 2016 |
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Abstract
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A method for generating and recovering a memory snapshot of a virtual machine is provided. The method includes: obtaining a current S th memory page of the virtual machine; identifying a page type of the current S th memory page, where the page type includes an invalid data page and a valid data page; and recording the page type of the current S th memory page in a memory snapshot file when the page is an invalid data page; and recording the page type and page data of the current S th memory page in the memory snapshot file when the page is a valid data page, so that only valid data is stored according to the embodiments of the present invention, thereby reducing backup of invalid data, greatly shortening the generation time of the memory snapshot, reducing the size of the memory snapshot file, and saving storage resources.
First claim
Opening claim text (preview).
What is claimed is: 1. A method for generating a memory snapshot of a virtual machine, comprising: obtaining a current S th memory page of the virtual machine; identifying a page type of the current S th memory page, wherein the page type comprises an invalid data page and a valid data page; recording the page type of the current S th memory page in a memory snapshot file when the current S th memory page is the invalid data page; and recording the page type and page dat…
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Physics · mapped topic
Physics · mapped topic
Physics · mapped topic
Physics · mapped topic
Physics · mapped topic
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Frequently asked questions
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- What does patent US9507672B2 cover?
- A method for generating and recovering a memory snapshot of a virtual machine is provided. The method includes: obtaining a current S th memory page of the virtual machine; identifying a page type of the current S th memory page, where the page type includes an invalid data page and a valid data page; and recording the page type of the current S th memory page in a memory snapshot file when …
- Who is the assignee on this patent?
- Huawei Tech Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification G06F11/1469. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Nov 29 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).