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