Fujitsu ETERNUS DX500 S4 Operation Manual page 72

7. Troubleshooting
Check List
Using ETERNUS Web GUI to switch the Master CM
-
If the IP address for the Slave CM is specified, access to the Slave CM IP address via ETERNUS Web GUI to
switch the Master CM is performed.
Have any network devices (such as LAN switch or router) failed? Are the network device settings invalid?
•
• Are the environment settings for the network service invalid?
Is the IP address correct?
•
Are the settings for the ETERNUS DX LAN ports (firewall) invalid?
•
If the problem is not resolved, follow the procedure below to restore the default values for the network environ-
ment settings and the firewall settings.
Note that the settings (network environment settings and firewall settings) for all of the LAN ports are initial-
ized after the following procedure is performed.
1
Remove the flange cover and the front cover of the controller enclosure.
Flange cover
2
Change the status of the ETERNUS DX to the maintenance status.
Use the pin to push down the CM Master Change switch (MST SW) for three seconds.
FUJITSU Storage ETERNUS DX500 S4/DX600 S4, ETERNUS DX500 S3/DX600 S3 Hybrid Storage Systems Operation Guide (Basic)
Front cover
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