HP NetServer AA 4000 HP NetServer AA 6200 Solution Release 3.0 Administrator&a - Page 225

Rebooting an IOP, Before you reboot, Operational Endurance I/O Processor Mode

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Chapter 9 Maintenance Rebooting an IOP Before you reboot an IOP, consider the following points which may affect your decision to reboot the IOP at that time. • When an IOP is removed from service (powered off, disabled, faulted or booted in any mode other than Operational Endurance I/O Processor Mode): - Any non-mirrored devices that physically reside on that IOP are not available to the server. - The keyboard and mouse attached to that IOP are not available to the CE operating system. • As an alternative to removing an IOP from service, consider scheduling an appropriate maintenance time (the same day) when you can remove the server from service. Then, use the procedure Rebooting the Server to avoid remirroring all mirrored disk sets. To reboot an IOP: Step 1 2 3 Action Follow the instructions in the procedure Rebooting the Server on page 214. Use Endurance Manager to ensure the following: • That the IOP you want to reboot is not marked as the source of a mirror copy. • That the other IOP is active. • That the other IOP has public network connectivity (IOPx.Ethernet cable is online). Reboot the IOP using either of the following methods: • From Endurance Manager, issue the command IOPx Shutdown. • From the local IOP: a.Make sure that the keyboard and mouse are controlling the IOP's operating system. b.Issue a Windows NT Shutdown command. Notes Do this only if you are willing to remove the server from service. If you do not want to remove the server from service, continue with the next step. If possible, perform any necessary backups for nonmirrored devices on the IOP that you want to reboot. If necessary, enter the hotkey sequence to switch control to the IOP's operating system. 209

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209
Chapter 9
Maintenance
Rebooting an IOP
Before you reboot
an IOP, consider the following points which may affect your decision to
reboot the IOP at that time.
When an IOP is removed from service (powered off, disabled, faulted or booted in any
mode other than
Operational Endurance I/O Processor Mode
):
-
Any non-mirrored devices that physically reside on that IOP are not available to the
server.
-
The keyboard and mouse attached to that IOP are not available to the CE operating
system.
As an alternative to removing an IOP from service, consider scheduling an appropriate
maintenance time (the same day) when you can remove the server from service. Then, use
the procedure
Rebooting the Server
to avoid remirroring all mirrored disk sets.
To reboot an IOP:
Step
Action
Notes
1
Follow the instructions in the procedure
Rebooting the Server
on
page 214
.
Do this
only if
you are willing to remove the
server
from service. If you do not want to remove the
server from service, continue with the next step.
2
Use Endurance Manager to ensure the
following:
That the IOP you want to reboot is
not
marked as the
source
of a mirror copy.
That the
other
IOP is
active
.
That the
other
IOP has public network
connectivity (IOP
x
.Ethernet cable is
online
).
If possible, perform any necessary backups for non-
mirrored devices on the IOP that you want to reboot.
3
Reboot the IOP using
either
of the
following methods:
From Endurance Manager, issue the
command IOP
x
Shutdown.
From the local IOP:
a.Make sure that the keyboard and
mouse are controlling the IOP
s
operating system.
b.Issue a Windows NT Shutdown
command.
If necessary, enter the hotkey sequence to switch
control to the IOP
s operating system.