HP AD510A HP StorageWorks 1500 Modular Smart Array maintenance and service gui - Page 24

Hard drive LEDs

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Hard drive LEDs When a hard drive is configured as a part of an array and attached to a powered-on controller, the status of the hard drive can be determined from the illumination pattern of its LEDs. IMPORTANT: For additional information on replacing a hard drive, see ??? and Hard drive failure and faulted LUNs. SCSI hard drive LEDs Each SCSI hard drive has three LEDs. The following figure and table describe their locations and meanings. 3 2 1 1 Activity LED On 2 Online LED Off 3 Fault LED Off Blinking Blinking Blinking Off Off Off Meaning 15584 The hard drive is being accessed in one of the following ways: • The hard drive is not configured as part of an array. • The hard drive is a replacement and rebuild has not yet started. • The hard drive is spinning up during POST. Do not remove the hard drive. Removing a hard drive at this time could terminate the current operation and cause data loss. The hard drive is being accessed in one of the following ways: • The hard drive is part of a configured array that is being selected or updated by the ACU or MSA-CLI. • The hard drive is being upgraded. • The hard drive has been selected for identification in HP-SIM, ACU, or MSA-CLI. Do not remove the hard drive. Removing a hard drive at this time can cause data loss in non-fault-tolerant configurations. The hard drive is not being accessed and is not configured as part of an array. If necessary, it is safe to replace the hard drive. This hard drive is in one of the following states: • The hard drive is not configured as part of an array. • The hard drive is configured as an online spare. 24 System components and LEDs

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Hard drive LEDs
When a hard drive is con
fi
gured as a part of an array and attached to a powered-on controller, the
status of the hard drive can be determined from the illumination pattern of its LEDs.
IMPORTANT:
For additional information on replacing a hard drive, see ??? and
Hard drive failure and faulted LUNs
.
SCSI hard drive LEDs
Each SCSI hard drive has three LEDs. The following
fi
gure and table describe their locations and
meanings.
1
2
3
15584
1
Activity LED
2
Online LED
3
Fault LED
Meaning
On
Off
Off
The hard drive is being accessed in
one
of the following ways:
•
The hard drive is not con
fi
gured as part of an array.
•
The hard drive is a replacement and rebuild has not yet
started.
•
The hard drive is spinning up during POST.
Do not remove the hard drive. Removing a hard drive at this
time could terminate the current operation and cause data loss.
Blinking
Blinking
Blinking
The hard drive is being accessed in
one
of the following ways:
•
The hard drive is part of a con
fi
gured array that is being
selected or updated by the ACU or MSA-CLI.
•
The hard drive is being upgraded.
•
The hard drive has been selected for identi
fi
cation in HP-SIM,
ACU, or MSA-CLI.
Do not remove the hard drive. Removing a hard drive at this
time can cause data loss in non-fault-tolerant con
fi
gurations.
Off
Off
Off
The hard drive is not being accessed and is not con
fi
gured as
part of an array. If necessary, it is safe to replace the hard drive.
This hard drive is in
one
of the following states:
•
The hard drive is not con
fi
gured as part of an array.
•
The hard drive is con
fi
gured as an online spare.
24
System components and LEDs