Release Notes
Table Of Contents
- Ubuntu Server 20.04 LTS for Dell EMC PowerEdge Servers Release Notes
- Release summary
- Compatibility
- New and enhanced in this release
- Important notes
- Known issues
- The name of the NVMe device may change when it is hot-inserted after a surprise removal
- NVMe devices are enumerated in namespace 2 when hot-inserted into the server after being surprise removed
- /proc/mdstat and mdadm -D commands display incorrect statuses when two NVMe devices are surprise removed from a RAID 5 MD array
- Status of the RAID 0 LV is displayed as Available when one of the members of the RAID array is surprise removed
- BIOS Dell Update Packages (DUPs) will not run on Ubuntu 20.04
- Ubuntu Server 20.04 live image installation fails due to a loss of network connectivity
- CCP initialization failed error encountered after Ubuntu.20.04 is installed
- NVMe drive is not detected after multiple hot plug operations
- Limitations
- Updating Ubuntu
- Resources and support
- Contacting Dell EMC
Important notes
The default server ISO image is the general availability (GA) kernel-Linux 5.4. To download Ubuntu Server installer media and
ISO images, go to www.ubuntu.com/download/server. Links to download Ubuntu Server 20.04.1 LTS and the canonical Ubuntu
20.04 release notes are found on this page.
NOTE: By default, the Subiquity installer download is available. Ubuntu 20.04 does not support the Debian-installer.
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Important notes 7