device-mapper-multipath

Jan  6 00:04:09 ovn2 kernel: [181703.837857] device-mapper: table: 253:0: multipath: error getting device
Jan  6 00:04:09 ovn2 kernel: [181703.838212] device-mapper: ioctl: error adding target to table
Jan  6 00:04:09 ovn2 multipathd: dm-0: remove map (uevent)
Jan  6 00:04:09 ovn2 multipathd: dm-0: remove map (uevent)

ぐぬぬ

[root@ovn2 multipath]# multipath 
Jan 06 00:04:16 | ADATA_SX300_2D3920001647: ignoring map
[root@ovn2 multipath]# echo "blacklist {
>     wwid ADATA_SX300_2D3920001647
> }" >> /etc/multipath.conf
[root@ovn2 multipath]# service multipathd restart
Redirecting to /bin/systemctl restart  multipathd.service
[root@ovn2 multipath]# multipath
[root@ovn2 multipath]# 

すっきり！