DLPAR operations not possible

There are different situations that could lead to the DLPAR operations unavailability due to RMC daemon issues.

In newer Aix versions (>6.1.9.x) and if rsct is > 3.1.5.0 it could be necessary to install the following fileset :

rsct.basic.rte

to solve the problem.

For more informations please refer to APAR at the following link:

http://www-01.ibm.com/support/docview.wss?uid=isg1IV53196
The correct procedure to reset the rsct subsystem is :

# /usr/sbin/rsct/bin/rmcctrl -z
# /usr/sbin/rsct/bin/rmcctrl -A
# /usr/sbin/rsct/bin/rmcctrl -p

And to verify the subsystem status:

# lssrc -a | grep rsct