Mike Fleetwood authored Mar 29, 2019 and Curtis Gedak committed Apr 01, 2019

Running GParted on AltLinux with dmraid installed but with no configured
RAID arrays produces this error:
    # gparted
    ...
    Could not stat device /dev/mapper/No RAID disks - No such file or directory.

Most distributions use dmraid 1.0.0.rc16 which reports no raid disks
like this:
    # dmraid -sa -c
    no raid disks
    # echo $?
    1

However AltLinux had the slightly older version, dmraid 1.0.0.rc14,
which reported no raid disks like this:
    # dmraid -sa -c
    No RAID disks
    # echo $?
    0

So because dmraid 1.0.0.rc14 reported success, exit status 0, and the
"No RAID disks" message was not in lower case, that text was considered
a disk device in a DMRaid array.  Fix by checking for "no raid disks" in
any case.

Bug 786031 - Could not stat device /dev/mapper/No RAID disks - No such
             file or directory