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Using Reverse Mapping Information for Rehydration during Instant Recovery

IP.com Disclosure Number: IPCOM000244203D
Publication Date: 2015-Nov-23
Document File: 3 page(s) / 343K

Publishing Venue

The IP.com Prior Art Database

Related People

Udayan Majumdar: INVENTOR

Abstract

This solution uses reverse mapping information of the image file for rehydration during Instant Recovery of a virtual machine VM Based on the offsets of IO requests and by using reverse mapping information hot files will be identified The blocks for hot files will be fetched on priority during rehydration process

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Using Reverse Mapping Information for Rehydration during Instant Recovery

Udayan Majumdar

Symantec Corporation

Abstract

This solution uses reverse mapping information of the image file for rehydration during Instant Recovery of a virtual machine ("VM"). Based on the offsets of IO requests and by using reverse mapping information, hot files will be identified. The blocks for hot files will be fetched on priority during rehydration process.

Copyright © 2015 Symantec Corporation. All rights reserved.

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Copyright © 2015 Symantec Corporation. All rights reserved. Symantec and the Symantec Logo are trademarks or registered trademarks of Symantec Corporation or its affiliates in the U.S. and other countries. Other names may be trademarks of their respective owners. For a full list of Symantec trademarks, please visit http://www.symantec.com/about/profile/policies/trademarks/currentlist.jsp

Any Symantec products described in this document are distributed under licenses restricting their use, copying, distribution, and decompilation/reverse engineering. No part of this document may be reproduced in any form by any means without prior written authorization of Symantec Corporation and its licensors, if any.

THE DOCUMENTATION IS PROVIDED "AS IS" AND ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD TO BE LEGALLY INVALID. SYMANTEC CORPORATION SHALL NOT BE LIABLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES IN CONNECTION WITH THE FURNISHING, PERFORMANCE, OR USE OF THIS DOCUMENTATION. THE INFORMATION CONTAINED IN THIS DOCUMENTATION IS SUBJECT TO CHANGE WITHOUT NOTICE.

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Copyright © 2015 Symantec Corporation. All rights reserved.


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Using Reverse Mapping Information for Rehydration during Insta...