Compaq ML310 User Guide - Page 17

Hot-plug SCSI hard drive LED combinations, current operation and cause data loss.

Page 17 highlights

Server component identification 17 Item 1 LED description Activity status 2 Online status 3 Fault status Status On = Drive activity Flashing = High activity on the drive or drive is being configured as part of an array. Off = No drive activity On = Drive is part of an array and is currently working. Flashing = Drive is actively online. Off = Drive is offline. On = Drive failure Flashing = Fault-process activity Off = No fault-process activity Hot-plug SCSI hard drive LED combinations Activity Online LED (1) LED (2) On, off, or On or off flashing On, off, or On flashing On or flashing Flashing On Off Fault LED Interpretation (3) Flashing A predictive failure alert has been received for this drive. Replace the drive as soon as possible. Off The drive is online and is configured as part of an array. If the array is configured for fault tolerance and all other drives in the array are online, and a predictive failure alert is received or a drive capacity upgrade is in progress, you may replace the drive online. Off Do not remove the drive. Removing a drive may terminate the current operation and cause data loss. The drive is rebuilding or undergoing capacity expansion. Off Do not remove the drive. The drive is being accessed, but (1) it is not configured as part of an array; (2) it is a replacement drive and rebuild has not yet started; or (3) it is spinning up during the POST sequence.

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Server component identification
17
Item
LED description
Status
1
Activity status
On = Drive activity
Flashing = High activity on the drive or
drive is being configured as part of an
array.
Off = No drive activity
2
Online status
On = Drive is part of an array and is
currently working.
Flashing = Drive is actively online.
Off = Drive is offline.
3
Fault status
On = Drive failure
Flashing = Fault-process activity
Off = No fault-process activity
Hot-plug SCSI hard drive LED combinations
Activity
LED (1)
Online
LED (2)
Fault LED
(3)
Interpretation
On, off, or
flashing
On or off
Flashing
A predictive failure alert has been received for this drive.
Replace the drive as soon as possible.
On, off, or
flashing
On
Off
The drive is online and is configured as part of an array.
If the array is configured for fault tolerance and all other drives in
the array are online, and a predictive failure alert is received or a
drive capacity upgrade is in progress, you may replace the drive
online.
On or
flashing
Flashing
Off
Do not remove the drive. Removing a drive may terminate the
current operation and cause data loss.
The drive is rebuilding or undergoing capacity expansion.
On
Off
Off
Do not remove the drive.
The drive is being accessed, but (1) it is not configured as part of an
array; (2) it is a replacement drive and rebuild has not yet started; or
(3) it is spinning up during the POST sequence.