Detaching OpenStack volumes will result in udev processes in D-state
Issue
When detaching more than one volume in OpenStack, the detach operation might fail and you will see systemd-udevd in D-state:
[root@server01 ~]# ps ax | grep D
PID TTY STAT TIME COMMAND
2069 ? Ssl 0:00 /usr/sbin/gssproxy -D
4279 ? Ss 0:00 /usr/sbin/sshd -D
9576 ? D 0:00 /usr/lib/systemd/systemd-udevd
9597 pts/0 S+ 0:00 grep --color=auto D
Environment
- Red Hat OpenStack Platform 7
- Multipath volumes
- Presence of a LVM volume in the Compute Node
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