System Reset
Resetting the Acme Packet 4600 via the reset pushbutton on the front of the chassis
performs a cold reboot. This action is the equivalent of disconnecting the power from
the system and then reconnecting it. There is no orderly termination of tasks, and the
system shuts down abruptly. You should only reset the Acme Packet 4600 when it
becomes unstable and no other means of gaining administrative control is possible.
During a system reset, certain files are not closed properly, and they may become
corrupted. If an unclean shutdown is detected, filesystem recovery/repair will be run to
ensure the system returns to a stable state. Filesystem verification also runs every 30
boots as a precautionary measure.
Note:
Always try to first reboot the Acme Packet 4600 from the ACLI before
performing a cold reset. Only reset the system as a last resort.
To reset the Acme Packet 4600:
•
Insert a rigid paperclip-sized tool into the small hole on the front of the chassis
beneath the graphic display. The system immediately resets and begins its
initialization and boot sequence.
Power Cycling
Power Cycling the Acme Packet 4600 is the process of turning the chassis off and
then on again. Unplugging the power cords from the power supplies means to remove
power from the system. When power cycling, it is imperative that you wait at least
10 seconds between power down and power up to ensure that all components are
completely powered down before restarting the system.
Standby State for HA Nodes
When performing hardware maintenance on the Acme Packet 4600, it is best to
minimize any risk of interrupting network traffic or losing data. If the Acme Packet
4600s are configured as an HA node, you should only work on the Acme Packet 4600
that is in standby state.
There are two ways to determine the HA state of each Acme Packet 4600 in an HA
pair.
Chapter 6
Standby State for HA Nodes
6-3