Dell NVMe User Manual
Technical White Paper
NVMe Surprise Removal on Dell EMC PowerEdge servers running Linux operating systems
Abstract
This white paper describes the support for Non-Volatile Memory Express (NVMe)
Surprise Removal on Dell EMC PowerEdge servers running supported
Enterprise Linux operating systems.
October 2020
451
Revisions
Revisions
Date |
Description |
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October 2020 |
Initial release |
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Acknowledgements
Author: Narendra K
Support: Austin Bolen, Gurupreet Kaushik, Sherry Keller
The information in this publication is provided “as is.” Dell Inc. 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 software described in this publication requires an applicable software license.
Copyright © 27/10/2020 Dell Inc. or its subsidiaries. All Rights Reserved. Dell Technologies, Dell, EMC, Dell EMC and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective owners.
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Table of contents
Table of contents
Revisions............................................................................................................................................................................. |
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2 |
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Acknowledgements............................................................................................................................................................. |
2 |
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Table of contents ................................................................................................................................................................ |
3 |
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Executive summary............................................................................................................................................................. |
4 |
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1 |
Introduction................................................................................................................................................................... |
5 |
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1.1 |
Audience and scope ........................................................................................................................................... |
5 |
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1.2 |
Terminology ........................................................................................................................................................ |
5 |
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1.3 |
Command-line utilities used for verifying surprise removal of NVMe devices.................................................... |
5 |
2 |
Surprise removal of NVMe devices .............................................................................................................................. |
6 |
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2.1 |
Supported and unsupported scenarios for surprise removal of NVMe devices ................................................. |
6 |
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2.2 |
Identifying the NVMe device slot and verifying surprise removal....................................................................... |
6 |
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2.3 |
Platform and operating system support summary.............................................................................................. |
7 |
3 |
Known issues with NVMe surprise removal ................................................................................................................. |
8 |
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3.1 |
SUSE Linux Enterprise Server Service Pack 2 .................................................................................................. |
8 |
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3.1.1 |
MD RAID layer is not notified of the surprise removal of Samsung NVMe devices........................................... |
8 |
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3.1.2 Status of the RAID 0 logical volume is displayed as Available when one of the members of the RAID array is |
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surprise removed.......................................................................................................................................................... |
8 |
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3.1.3 LVM does not activate a free physical volume when one of the NVMe devices is surprise removed ............... |
8 |
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4 |
Summary ...................................................................................................................................................................... |
9 |
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5 |
References ................................................................................................................................................................. |
10 |
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