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Upgrading the Driver
When upgrading to a newer version of the driver there are two
methods:
1) Use rmdev to remove all dependent devices, remove the
existing driver(s), then install the new driver(s) and run cfgmgr
to recreate the devices. This method allows a new driver to be
installed without rebooting the server. File systems which are
unmounted before the process may be mounted again
afeterwards without affecting the data.
2) Install the new driver with devices in place. The server must
be rebooted afterwards so that the driver on disk will match the
driver in memory.
When upgrading AIX to a new major version, remove the
drivers beforehand and install the new versions after completing
the AIX upgrade.
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