多路径 on linux
powerpath
# 安装EMC多路径rpm包
rpm -ivh EMCpower.LINUX-5.3.1.02.00-007.rhel.i386.rpm
# 开始安装，并输入注册码
emcpreg -install
# 启动powermt
/etc/init.d/PowerPath start
# 验证是否成功
powermt display dev=all
multipath
yum install device-mapper device-mapper-multipath
multipath -ll
mpathconf --enable
modprobe dm-multipath
modprobe dm-round-robin
service multipathd start/stop/reload
multipath -v2
multipath -F
cat /var/lib/multipath/bindings
cat /etc/multipath/bindings
kpartx -a /dev/mapper/mpathX
dmsetup ls
dmsetup remove_all
multipathd -k
> > show config
> >reconfigure
> >show paths
> >CTRL-D
reference
多路径 on linux