Issue

• When the multipath device is resized and the size of underlying partition is increased, kpartx -a /dev/mapper/mpathN command is unable to update the multipath map for partition /dev/mapper/mpathNp1 and displays the following error message.

device-mapper: resume ioctl failed: Invalid argument

• After above error message the partition map is left in SUSPENDED state. This issue is observed only with kpartx-0.4.7-48.el5_8.1.x86_64, in older versions this issue was not observed.

[root@machine1 ~]# kpartx -a /dev/mapper/mpath2
device-mapper: resume ioctl failed: Invalid argument
[root@machine1 ~]# 
[root@machine1 ~]# dmsetup info /dev/mapper/mpath2p1 
Name:              mpath2p1
State:             SUSPENDED  <-----
Read Ahead:        256 
Tables present:    LIVE
Open count:        1
Event number:      0
Major, minor:      252, 10
Number of targets: 1
UUID: part1-mpath-1IET_00010003