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  • EMC Core Technologies Division, VNX BU

    Abstract

    This applied best practices guide provides recommended best practices for installing and configuring the EMC VNX Cinder Driver with the OpenStack Juno release.

    June 2015

    EMC VNX OpenStack Juno Cinder Driver Best Practices Applied Best Practices Guide VNX Cinder Driver Version 4.2.0 VNX OE for Block 05.32 or above

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    Copyright 2015 EMC Corporation. All rights reserved. Published in the USA.

    EMC believes the information in this publication is accurate of its publication date. The information is subject to change without notice.

    The information in this publication is provided as is. EMC Corporation makes no representations or warranties of any kind with respect to the information in this publication, and specifically disclaims implied warranties of merchantability or fitness for a particular purpose. Use, copying, and distribution of any EMC software described in this publication requires an applicable software license.

    EMC2, EMC, and the EMC logo are registered trademarks or trademarks of EMC Corporation in the United States and other countries. All other trademarks used herein are the property of their respective owners.

    For the most up-to-date regulatory document for your product line, go to the technical documentation and advisories section on EMC Online Support.

    EMC VNX OpenStack Juno Cinder Driver Best Practices

    Applied Best Practices Guide

    Part Number H14268.3

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    Contents

    Chapter 1 OpenStack Overview ........................................................... 7

    Introduction .................................................................................................... 8

    OpenStack Architecture .................................................................................. 8

    Cinder Architecture ......................................................................................... 9

    Chapter 2 VNX Cinder Driver ................................................................ 11

    General Considerations................................................................................. 12 Driver History ....................................................................................................... 12 Obtaining the VNX Cinder Driver ........................................................................... 12

    Installation.................................................................................................... 13 NaviSecCLI Installation ........................................................................................ 13 Cinder-Volume Installation ................................................................................... 13 Host Registration ................................................................................................. 13 MPIO Configuration .............................................................................................. 14 Cinder.conf Configuration .................................................................................... 14

    Advanced Functionality ................................................................................. 17 Multiple Authentication Type Support .................................................................. 17 Security File Support ............................................................................................ 17 Creating a Volume with a Different Provisioning Type ........................................... 17 Creating a Volume with a Different Tiering Policy .................................................. 18 Create a Volume with FAST Cache ........................................................................ 19 iSCSI Target Connectivity Check ........................................................................... 19 Force Deleting LUNs in Storage Groups ................................................................ 20 LUN Number Threshold Check .............................................................................. 20 SP Toggle for HA ................................................................................................... 20

    Chapter 3 Additional Information ........................................................ 21

    Miscellaneous Topics.................................................................................... 22 HA Deployment .................................................................................................... 22 Volume Migration................................................................................................. 22 Volume Retyping .................................................................................................. 22

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    Instance Migration ............................................................................................... 23 Upgrades ............................................................................................................. 24

    Troubleshooting ............................................................................................ 25 Timeout Settings .................................................................................................. 25 iSCSI Multipath Faulty Device Handling ................................................................ 25 Logging ................................................................................................................ 25

    Conclusion 27

    Appendices 28 Appendix A: VNX Cinder Driver History ................................................................. 28 Appendix B: Cinder.conf Configuration List .......................................................... 29

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    Preface

    As part of an effort to improve and enhance the performance and capabilities of its product line, EMC from time to time releases revisions of its hardware and software. Therefore, some functions described in this guide may not be supported by all revisions of the hardware or software currently in use. For the most up-to-date information on product features, refer to your product release notes.

    If a product does not function properly or does not function as described in this document, please contact your EMC representative.

    Note: This document was accurate as of the time of publication. However, as information is added, new versions of this document may be released to EMC Online Support. Check the website to ensure that you are using the latest version of this document.

    Purpose

    The Applied Best Practices Guide delivers straightforward guidance to the majority of customers using the VNX Cinder Driver in a mixed business environment. The focus is on environment performance and maximizing the functionality of the advanced storage features, while avoiding mismatches of technology. Some exception cases are addressed in this guide; however, less commonly encountered edge cases are not covered by general guidelines and are addressed in use-case-specific white papers.

    Guidelines can and will be broken, appropriately, owing to differing circumstances or requirements. Guidelines must adapt to:

    Different sensitivities toward data integrity Different economic sensitivities Different problem sets

    Audience

    This document is intended for EMC customers, partners, and employees who are installing and/or configuring the VNX Cinder Driver with a VNX or VNX2 system. Some familiarity with EMC storage systems is assumed.

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    Related Documents

    The following documents provide additional, relevant information. Access to these documents is based on your logon credentials. All of the documents can be found on http://support.emc.com. If you do not have access to the following content, contact your EMC representative.

    EMC OpenStack Github Repository: https://github.com/emc-openstack/ Host Connectivity Guide Introduction to the EMC VNX2 Series - A Detailed Review Introduction to EMC VNX2 Storage Efficiency Technologies Virtual Provisioning for the VNX2 Series - Applied Technology VNX FAST Cache A Detailed Review VNX FAST VP A Detailed Review VNX Replication Technologies An Overview VNX Snapshots VNX2 Deduplication and Compression Maximizing Effective Capacity

    Utilization VNX2 Multicore FAST Cache - A Detailed Review VNX2 FAST VP - A Detailed Review

    http://support.emc.com/

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    Chapter 1 OpenStack Overview

    This chapter presents the following topics:

    Introduction.......................................................................... 8

    OpenStack Architecture ............................................................................. 8

    Cinder Architecture .................................................................................... 9

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    Introduction OpenStack is an emerging open source cloud computing solution implemented as an Infrastructure as a Service (IaaS) to control large pools of compute, storage, and networking resources throughout a datacenter.

    OpenStack Block Storage, also known as Cinder, provides persistent block-level storage devices for use w