What were you trying to do that didn't work?

What is the impact of this issue to you?

Please provide the package NVR for which the bug is seen:

How reproducible is this bug?:

Steps to reproduce

mdadm -CR /dev/md/tbz:pv1 -l0 -n2 /dev/loop0 /dev/loop1
mdadm -Ss
[root@storageqe-59 mdadm]# mdadm -A /dev/md/tbz:pv1 --name tbz:pv1
mdadm: Value "tbz:pv1" cannot be set as name. Reason: Not POSIX compatible.

Expected results

Actual results