CentOS4.8动态添加LUN，无需重启或重新加载驱动

[root@localhost host1]# echo 1 >>/sys/class/fc_host/host2/issue_lip
[root@localhost host1]# echo '- - -'>>/sys/class/scsi_host/host2/scan
[root@localhost host1]# echo 1 >>/sys/class/fc_host/host1/issue_lip
[root@localhost host1]# echo '- - -'>>/sys/class/scsi_host/host1/scan
[root@localhost host1]# multipath -F
[root@localhost host1]# multipath -v2

[root@localhost host1]# multipath -ll 发现新增加的LUN06

create: mpath1 (3600144f00200000000005537d7500002)
[size=100 GB][features="0"][hwhandler="0"]
\_ round-robin 0
 \_ 1:0:0:0 sdb 8:16  [ready]
\_ round-robin 0
 \_ 2:0:0:0 sdf 8:80  [ready]

create: mpath2 (3600144f00200000000005537e0b40003)
[size=200 GB][features="0"][hwhandler="0"]
\_ round-robin 0
 \_ 1:0:0:1 sdc 8:32  [ready]
\_ round-robin 0
 \_ 2:0:0:1 sdg 8:96  [ready]

create: mpath3 (3600144f00200000000005537e0bd0004)
[size=300 GB][features="0"][hwhandler="0"]
\_ round-robin 0
 \_ 1:0:0:2 sdd 8:48  [ready]
\_ round-robin 0
 \_ 2:0:0:2 sdh 8:112 [ready]

create: mpath4 (3600144f00200000000005538e4050001)
[size=400 GB][features="0"][hwhandler="0"]
\_ round-robin 0
 \_ 1:0:0:3 sde 8:64  [ready]
\_ round-robin 0
 \_ 2:0:0:3 sdi 8:128 [ready]

create: mpath5 (3600144f00200000000005538fe2b0002)
[size=50 GB][features="0"][hwhandler="0"]
\_ round-robin 0
 \_ 1:0:0:4 sdj 8:144 [ready]
\_ round-robin 0
 \_ 2:0:0:4 sdk 8:160 [ready]

create: mpath6 (3600144f002000000000055390c000003)
[size=30 GB][features="0"][hwhandler="0"]
\_ round-robin 0
 \_ 2:0:0:5 sdl 8:176 [ready]
\_ round-robin 0
 \_ 1:0:0:5 sdm 8:192 [ready]