HP 8/20q HP StorageWorks 8/20q Fibre Channel Switch installation and reference - Page 13

Maintenance button

Page 13 highlights

Maintenance button The Maintenance button (Figure 2) is a dual-function momentary switch on the front panel. Its purpose is to reset the switch or to place the switch in maintenance mode. Maintenance mode sets the IP address to 10.0.0.1 and provides access to the switch for maintenance purposes when flash memory or the resident configuration file is corrupted. For more information, see "Recovering a switch using maintenance mode" on page 46. Resetting a switch To reset the switch, press and hold the Maintenance button with a pointed tool for less than 2 seconds. The switch will respond as follows: 1. All the switch LEDs will illuminate except the System Fault LED. 2. After approximately 1 minute, the power-on self test (POST) begins, extinguishing the Heartbeat LED. 3. When the POST is complete, the Input Power LED is illuminated and the Heartbeat LED is flashing once per second. Placing the switch in maintenance mode To place the switch in maintenance mode: 1. Isolate the switch from the fabric. 2. Press and hold the Maintenance button with a pointed tool for a few seconds until only the Heartbeat LED (Figure 2) is illuminated. Continue holding the maintenance button until the Heartbeat LED goes off, then release the button. The Heartbeat LED illuminates continuously while the switch is in maintenance mode. To exit maintenance mode and return to normal operation, press and release the Maintenance button momentarily to reset the switch. 8/20q Fibre Channel Switch installation and reference guide 13

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72

8/20q Fibre Channel Switch installation and reference guide
13
Maintenance button
The Maintenance button (
Figure 2
) is a dual-function momentary switch on the front panel. Its purpose is to
reset the switch or to place the switch in maintenance mode. Maintenance mode sets the IP address to
10.0.0.1 and provides access to the switch for maintenance purposes when flash memory or the resident
configuration file is corrupted. For more information, see ”
Recovering a switch using maintenance mode
on page 46.
Resetting a switch
To reset the switch, press and hold the Maintenance button with a pointed tool for less than 2 seconds. The
switch will respond as follows:
1.
All the switch LEDs will illuminate except the System Fault LED.
2.
After approximately 1 minute, the power-on self test (POST) begins, extinguishing the Heartbeat LED.
3.
When the POST is complete, the Input Power LED is illuminated and the Heartbeat LED is flashing once
per second.
Placing the switch in maintenance mode
To place the switch in maintenance mode:
1.
Isolate the switch from the fabric.
2.
Press and hold the Maintenance button with a pointed tool for a few seconds until only the Heartbeat
LED (
Figure 2
) is illuminated. Continue holding the maintenance button until the Heartbeat LED goes
off, then release the button. The Heartbeat LED illuminates continuously while the switch is in
maintenance mode.
To exit maintenance mode and return to normal operation, press and release the Maintenance button
momentarily to reset the switch.