Disk Backplane Components
The following table lists the disk backplane (DBP) components.
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/SYS/DBP
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FRU
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Disk backplane FRU
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/SYS/DBP/PRSNT
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Discrete sensor
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Disk backplane presence
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01h-ENTITY_ABSENT
02h-ENTITY_PRESENT
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/SYS/DBP/HDD[0-x]
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Pseudo
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Hard disk drives (HDD)
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/SYS/DBP/HDD[0-x]/PRSNT
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Discrete sensor
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Hard disk drive presence
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01h-ENTITY_ABSENT
02h-ENTITY_PRESENT
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/SYS/DBP/HDD[0-x]/STATE
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State sensor
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Hard disk drive state
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01h-FAULT_STATUS
02h-IDENTITY
04h-INSTALLED
20h-SLOT_POWER_OFF
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/SYS/DBP/HDD[0-x]/SERVICE
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Indicator
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Fault-Service Required LED
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Color: Amber
Location: HDD
Off: Normal
On: HDD was diagnosed as failed
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/SYS/DBP/HDD[0-x]/OK2RM
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Indicator
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Hard disk drive OK to remove
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Color: Blue
Location: HDD
Off: Normal
On: HDD is OK to remove
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/SYS/DBP/HDD[0-x]/NVME
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FRU
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NVMe drive FRU
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/SYS/DBP/HDD[0-x]/NVME/PRSNT
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Discrete sensor
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NVMe device presence
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01h-ENTITY_ABSENT
02h-ENTITY_PRESENT
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