RHEL 7.1 + multipath 0.4.9-77.el7 + 3PAR PP The first disk looks normal [root@localhost ~]# multipath -ll 360002ac000000000000003f5000239b1 dm-3 3PARdata,VV size=200G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw |-+- policy='service-time 0' prio=50 status=active | |- 1:0:1:0 sdc 8:32 active ready running | |- 1:0:2:0 sdd 8:48 active ready running | |- 8:0:0:0 sdf 8:80 active ready running | `- 8:0:2:0 sdh 8:112 active ready running `-+- policy='service-time 0' prio=1 status=enabled |- 1:0:0:0 sdb 8:16 active ghost running |- 1:0:3:0 sde 8:64 active ghost running |- 8:0:1:0 sdg 8:96 active ghost running `- 8:0:3:0 sdi 8:128 active ghost running
but when I add second disk to RCgroup,export to host, the first disk ghost become ready [root@localhost ~]# multipath -ll 360002ac000000000000003f5000239b1 dm-3 3PARdata,VV size=200G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw |-+- policy='service-time 0' prio=50 status=active | |- 1:0:1:0 sdc 8:32 active ready running | |- 1:0:2:0 sdd 8:48 active ready running | |- 8:0:0:0 sdf 8:80 active ready running | `- 8:0:2:0 sdh 8:112 active ready running `-+- policy='service-time 0' prio=10 status=enabled |- 1:0:0:0 sdb 8:16 active ready running |- 1:0:3:0 sde 8:64 active ready running |- 8:0:1:0 sdg 8:96 active ready running `- 8:0:3:0 sdi 8:128 active ready running 360002ac00000000000000435000239b1 dm-4 3PARdata,VV size=200G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw |-+- policy='service-time 0' prio=50 status=active | |- 1:0:1:1 sdk 8:160 active ready running | |- 1:0:2:1 sdl 8:176 active ready running | |- 8:0:0:1 sdn 8:208 active ready running | `- 8:0:2:1 sdp 8:240 active ready running `-+- policy='service-time 0' prio=1 status=enabled |- 1:0:0:1 sdj 8:144 active ghost running |- 1:0:3:1 sdm 8:192 active ghost running |- 8:0:1:1 sdo 8:224 active ghost running `- 8:0:3:1 sdq 65:0 active ghost running
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