如何确定多路径是启用还是禁用

1. 成为管理员。
2. 确定系统上的多路径设备信息是否可用。

   因为以下命令未返回多路径设备信息，所以多路径在该系统中已禁用。

   # prtconf -vc /devices/scsi_vhci |grep dev_link.*s2 
   

   因为以下命令返回了多路径设备信息，所以多路径在该系统中已启用。

   # prtconf -vc /devices/scsi_vhci |grep dev_link.*s2 
        dev_link=/dev/dsk/c0t5000C500335DC60Fd0s2
        dev_link=/dev/rdsk/c0t5000C500335DC60Fd0s2
        dev_link=/dev/dsk/c0t5000C500335E106Bd0s2
        dev_link=/dev/rdsk/c0t5000C500335E106Bd0s2
        dev_link=/dev/dsk/c0t5000C500335BA8C3d0s2
        dev_link=/dev/rdsk/c0t5000C500335BA8C3d0s2
        dev_link=/dev/dsk/c0t5000C500335FC3E7d0s2
        dev_link=/dev/rdsk/c0t5000C500335FC3E7d0s2
        dev_link=/dev/dsk/c0t50015179594B6F11d0s2
        dev_link=/dev/rdsk/c0t50015179594B6F11d0s2
        dev_link=/dev/dsk/c0t5000C500335F95E3d0s2
        dev_link=/dev/rdsk/c0t5000C500335F95E3d0s2
        dev_link=/dev/dsk/c0t5000C500335F907Fd0s2
        dev_link=/dev/rdsk/c0t5000C500335F907Fd0s2
        dev_link=/dev/dsk/c0t5000C500335BD117d0s2
        dev_link=/dev/rdsk/c0t5000C500335BD117d0s2