Option
Action
Shutdown
■
To shut down a single node, use the drop-down list to select a
node, then click shut down.
■
To shut down all nodes at the same time, select all nodes
simultaneously, and then click shut down.
Note: Clicking Shut down stops all file serving EVSs on
the selected node or the cluster, then shuts down and
powers off the selected node or all nodes in the cluster.
The PSU is still powered on and the node is not ready
for shipment.
Restarting an unresponsive server
Perform this process to restart an unresponsive server from the server operating system
(OS) console. You generate a diagnostic log that can help you better understand the
problems. You can gain access either by using SSH software to connect to the server's
CLI or connecting to the server serial port.
Procedure
1. Connect to the SMU using the SSH software.
2. From the siconsole, select the server.
■
If the system fails to respond, go to step 3.
■
If the system takes you to the server OS console, issue the
bt active
command, so you can view the display.
■
If you are still at the siconsole, select q, press
Return
, and then perform the
following steps:
a. Connect directly to the CMB as manager using SSH.
b. If the connection succeeds, you are taken to the server OS console, where
you issue the
bt active
command.
c. If the connection fails, continue to step 4.
3. Connect to the system with a serial null modem cable, and perform the following
steps:
See
if you need details.
a. Log in as manager or you will get the Linux prompt, not the server OS.
If you use root, use the
ssc localhost
command.
b. Issue the command:
bt active
.
4. If you are still unable to get to the server OS, perform the following steps:
a. Ensure that the NAS CLI is booting successfully.
Restarting an unresponsive server
Chapter 6: Rebooting, shutting down, and powering off
Hitachi NAS Platform Series 5000 Hardware Reference
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