Detailed construction of high available multiplexing redundant GFS2 cluster file system

Experiment topology diagram:

Experimental principle:

Experiment Objective: To build GFS2 cluster file system through RHCS cluster, ensure that different nodes can read and write to GFS2 cluster file system simultaneously, and then realize multiple redundancy between node and FC,FC and share storage through multipath. Finally, the mirror replication of the storage is achieved high availability.

GFS2: The second edition of the global file system, GFS2 is the most widely used cluster file system. It was developed by the Red Hat company, allowing all cluster nodes to be accessed in parallel. Metadata is typically saved in a partition or logical volume in a shared storage device or replication storage device.

Experimental environment:

[Root@storage1 ~]# Uname-r

2.6.32-279.el6.x86_64

[Root@storage1 ~]# Cat/etc/redhat-release

Red Hat Enterprise Linux Server release 6.3 (Santiago)

[Root@storage1 ~]#/etc/rc.d/init.d/iptables Status

Iptables:firewall is not running.

[Root@storage1 ~]# Getenforce

Disabled