Shutdown or Reboot Sequence Fails (4844784)

Problem Summary: When shutting down or rebooting a node, the node may hang and the shutdown or reboot sequence may not complete. The system hangs after issuing the following message: Failfast: Halting because all userland daemons all have died.

Workaround: Before shutting down or rebooting the node, issue the following command: psradm -f -a:

To shutdown a node:

1. # scswitch -S -h <node>

2. # psradm -f -a

3. # shutdown -g0 -y -i0

To reboot a node:

1. # scswitch -S -h <node>

2. # psradm -f -a

3. # shutdown -g0 -y -i6

In some rare instances, the suggested workarounds may fail to resolve this problem.