How to setup preferred path with multipath
Environment
Red Hat Enterprise Linux 7
device-mapper-multipath
LUNs with ALUA enabled
Issue
All paths for a LUN are grouped all together even though they come with different priority from the external storage.
The output of "multipath -ll" shows something like the following:
mpatha (360021868018107e0c000000000000098) dm-16 IBM ,2145
size=