Multipath paths are reported as down "readsector0 checker reports path is down"

Issue

• The multipath devices are reported as not available. This is the multipath output:

    sdc: checker msg is "readsector0 checker reports path is down"
    sdd: checker msg is "readsector0 checker reports path is down"
    /sbin/mpath_prio_alua exitted with 3
    error calling out /sbin/mpath_prio_alua /dev/sdf
    /sbin/mpath_prio_alua exitted with 3
    error calling out /sbin/mpath_prio_alua /dev/sdg
    sdi: checker msg is "readsector0 checker reports path is down"
    sdj: checker msg is "readsector0 checker reports path is down"
    /sbin/mpath_prio_alua exitted with 3
    error calling out /sbin/mpath_prio_alua /dev/sdl
    /sbin/mpath_prio_alua exitted with 3
    error calling out /sbin/mpath_prio_alua /dev/sdm
    sdc: checker msg is "readsector0 checker reports path is down"
    /sbin/mpath_prio_alua exitted with 3
    error calling out /sbin/mpath_prio_alua /dev/sdf
    sdi: checker msg is "readsector0 checker reports path is down"
    /sbin/mpath_prio_alua exitted with 3
    error calling out /sbin/mpath_prio_alua /dev/sdl
    : mpath1 (36006016055612100c680f126f2bce011)  DGC,RAID 10
    [size=60G][features=0][hwhandler=1 emc][n/a]
    \_ round-robin 0 [prio=-2][undef]
     \_ 3:0:1:2 sdf 8:80  [undef][ready]
     \_ 4:0:1:2 sdl 8:176 [undef][ready]
    \_ round-robin 0 [prio=0][undef]
     \_ 3:0:0:2 sdc 8:32  [undef][faulty]
     \_ 4:0:0:2 sdi 8:128 [undef][faulty]