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Recovering a switch using maintenance mode
A switch can become inoperable or unmanageable for the following reasons:
•
Firmware becomes corrupt
•
IP address is lost
•
Switch configuration becomes corrupt
•
Forgotten password
In these specific cases, you can recover the switch using maintenance mode. Maintenance mode
temporarily returns the switch IP address to 10.0.0.1 and provides opportunities to perform the following
procedure:
•
Unpack a firmware image file
•
Restore the network configuration parameters to the default values
•
Remove all user accounts and restore the Admin account name password to the default.
•
Copy the log file
•
Restore factory defaults for all but user accounts and zoning
•
Restore all switch configuration parameters to the factory default values (use the Reset Factory
command).
•
Reset the switch
•
Update the system boot loader
To recover a switch, perform the following procedure:
1.
Place the switch in maintenance mode. Press and hold the Maintenance button with a pointed tool for
10 seconds. When the Heartbeat LED alone is illuminated, release the button. When the switch is in
maintenance mode, the Heartbeat LED illuminates continuously. All other chassis LEDs are
extinguished.
2.
Enter the maintenance mode IP address 10.0.0.1 to establish a Telnet session with the switch, and
press Enter.
3.
Enter the maintenance mode account name and password (prom, prom), and press Enter.
Switch login: prom
Password:xxxx
4.
Enter the corresponding number of the recovery option (displayed in option: field) in the maintenance
menu on the keyboard, and press Enter. The options and their use are described in the following
subsections.
0)
Exit
1)
Image Unpack
2)
Reset Network Config
3)
Reset User Accounts to Default
4)
Copy Log Files
5)
Remove Switch Config
6)
Remake Filesystem
7)
Reset Switch
8)
Update Boot Loader
Option:
McDATA® 4Gb SAN Switch for HP p-Class BladeSystem installation guide
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