Release Notes

Chapter 1: Release summary..........................................................................................................4
Version....................................................................................................................................................................................4
Release date..........................................................................................................................................................................4
Priority and recommendations..........................................................................................................................................4
Chapter 2: Compatibility............................................................................................................... 5
Supported systems............................................................................................................................................................. 5
Chapter 3: New and enhanced in this release.................................................................................6
Chapter 4: Important notes........................................................................................................... 7
Chapter 5: Known issues............................................................................................................... 8
The name of the NVMe device may change when it is hot-inserted after a surprise removal........................ 8
NVMe devices are enumerated in namespace 2 when hot-inserted into the server after being
surprise removed............................................................................................................................................................. 8
/proc/mdstat and mdadm -D commands display incorrect statuses when two NVMe devices are
surprise removed from a RAID 5 MD array............................................................................................................... 9
Status of the RAID 0 LV is displayed as Available when one of the members of the RAID array is
surprise removed............................................................................................................................................................. 9
BIOS Dell Update Packages (DUPs) will not run on Ubuntu 20.04.........................................................................9
Ubuntu Server 20.04 live image installation fails due to a loss of network connectivity................................. 10
CCP initialization failed error encountered after Ubuntu.20.04 is installed.........................................................10
NVMe drive is not detected after multiple hot plug operations............................................................................. 10
Chapter 6: Limitations................................................................................................................. 12
Chapter 7: Updating Ubuntu ....................................................................................................... 13
Chapter 8: Resources and support............................................................................................... 14
Identifying the series of your Dell EMC PowerEdge servers...................................................................................14
Latest Release Notes........................................................................................................................................................ 15
Related documents and links...........................................................................................................................................15
Accessing documents using product selector............................................................................................................ 15
Chapter 9: Contacting Dell EMC.................................................................................................. 16
Contents
Contents 3