how to know if my aix have multi-path driver installed?

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LEARN ABOUT SUSE

rem_drv

rem_drv(1M)                                                                                                                            rem_drv(1M)

NAME

       rem_drv - remove a device driver from the system

SYNOPSIS

       rem_drv [-b basedir] device_driver

       The  rem_drv command informs the system that the device driver device_driver is no longer valid. If possible, rem_drv unloads device_driver
       from memory. rem_drv also updates the system driver configuration files.

       If rem_drv has been executed, the next time the system is rebooted it automatically performs a reconfiguration boot (see kernel(1M)).

       The following options are supported:

       -b basedir      Sets the path to the root directory of the diskless client. Used on the server to execute rem_drv for a client. The  client
                       machine must be rebooted to unload the driver.

                       Note -  The  root  file system of any non-global zones must not be referenced with the -b option. Doing so might damage the
                               global zone's file system, might compromise the security of the global zone, and might damage the non-global zone's
                               file system. See zones(5).

       Example 1: Removing the sd Driver

       The following example removes the sd driver from use:

       example% rem_drv sd

       Example 2: Removing a Diskless Client

       The  following example removes the driver from the sun1 diskless client. The driver is not uninstalled or unloaded until the client machine
       is rebooted.

       example% rem_drv -b /export/root/sun1 sd

       Note the caveat on the use of the -b option in the description of that option, above.

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE         |      ATTRIBUTE VALUE        |
       +-----------------------------+-----------------------------+
       |Availability                 |SUNWcsu                      |
       +-----------------------------+-----------------------------+

       add_drv(1M), kernel(1M), update_drv(1M), attributes(5), devfs(7FS)

                                                                    6 Apr 2005                                                         rem_drv(1M)

AIX