How to configure multipath for Dell MD (MD1000/MD3000) storage devices on RedHat/CentOS/Oracle Linux 6.x platforms via YUM:
yum install -y device-mapper-multipath
cat </etc/multipath.conf
defaults {
user_friendly_names yes
path_grouping_policy multibus
}
EOF
/sbin/chkconfig multipathd on
/sbin/service multipathd start
I normally add "mpath" kernel boot option to /etc/grub.conf to make sure Linux kernel auto-detects such devices on boot.
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