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HP (Hewlett-Packard) StorageWorks Modular Smart Array 500 System Manual De Usuario

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Component Identification 
HP StorageWorks Modular Smart Array 500 System Maintenance and Service Guide 
4-9 
  
 
HP CONFIDENTIAL Codename: Aurora Part Number: 251850-004 Last Saved On: 9/19/03 11:00 AM 
 
Controller LEDs 
15
7
14
6
13
5
12
4
11
3
10
2
9
1
8
17
0
16
 
 
Table 4-9:  Controller LEDs 
Item LED 
Description 
Status 
0-2 
Busy status 
Green = Controller is idle. 
Off = Controller is operating at full 
capacity. 
3-5 No 
function 
— 
6 
Host port A notification 
Green = Notify On Event command 
active 
Off = No Notify On Event 
command active 
7 
Host port B notification 
Green = Notify On Event command 
active 
Off = No Notify On Event 
command active 
8 Idle 
heartbeat 
Controller is idle and functioning. 
9 
Active/Standby 
Green = Controller is active. 
Off = Controller is in standby. 
10 
DMA activity 
Green = DMA transfers are active. 
Off = No DMA transfers. 
11 
Logical I/O activity 
Green = Currently processing 
logical requests from the host 
adapter. 
Off = No processing of logical 
requests 
12 
SCSI bus 0 activity 
13 
SCSI bus 1 activity 
Green = Outstanding requests on 
the SCSI bus 
Off = No outstanding requests 
continued