HP ProLiant 2500 Compaq ProLiant 2500 Family of Servers Maintenance and Servic - Page 28

Drive, Failure, Online

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2-15 When replacing hot-pluggable hard drives, you must follow these guidelines: s Never remove more than one drive at a time. When a drive is replaced, the controller uses data from the other drives in the array to reconstruct data on the replacement drive. If more than one drive is removed, a complete data set is not available to reconstruct data on the replacement drive(s). s Never remove a working drive when another drive has failed. Drives that have been failed by the controller are indicated by the amber Drive Failure LED on the drive tray. Permanent data loss will occur if you remove a working drive when replacing a failed drive. s Never remove a drive while another drive is being rebuilt. A drives'Online LED flashes green when it is being rebuilt. A replaced drive is restored from data stored on the other drives. s Never turn a ProLiant Storage System OFF while the server controlling it is powered ON. Doing so will cause the server's array controller to mark the drives as "failed." This could result in permanent data loss. s If an online spare drive is installed, wait for it to complete rebuilding before replacing the failed drive. When a drive fails, the online spare will become active and begin to be rebuilt as a replacement drive. After the online spare has been completely rebuilt (Online LED will be on solid), replace the failed drive with a new drive. Do not replace the failed drive with the online spare. s A POST error message (1786) will occur when the system is turned on if a drive(s) has been replaced while the system is OFF. When this occurs you will be prompted to: PRESS F1 TO BOOT THE SYSTEM AND REBUILD THE REPLACED DRIVE, OR PRESS F2 TO BOOT THE SYSTEM AND NOT REBUILD THE DRIVE(S). CAUTION: Pressing F2 will cause permanent data loss to the entire logical drive. Press F2 only if all of the drives have been replaced or if complete data loss is desired. Compaq ProLiant 2500 Family of Servers Maintenance and Service Guide

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2-15
Compaq ProLiant 2500 Family of Servers Maintenance and Service Guide
When replacing hot-pluggable hard drives, you must follow these guidelines:
■
Never remove more than one drive at a time.
When a drive is replaced, the
controller uses data from the other drives in the array to reconstruct data on the
replacement drive.
If more than one drive is removed, a complete data set is not
available to reconstruct data on the replacement drive(s).
■
Never remove a working drive when another drive has failed.
Drives that have
been failed by the controller are indicated by the amber
Drive
Failure
LED on the
drive tray.
Permanent data loss will occur if you remove a working drive when
replacing a failed drive.
■
Never remove a drive while another drive is being rebuilt.
A drives’
Online
LED flashes green when it is being rebuilt.
A replaced drive is restored from data
stored on the other drives.
■
Never turn a ProLiant Storage System OFF while the server controlling it is
powered ON.
Doing so will cause the server’s array controller to mark the drives as
"failed."
This could result in permanent data loss.
■
If an online spare drive is installed, wait for it to complete rebuilding before
replacing the failed drive.
When a drive fails, the online spare will become active
and begin to be rebuilt as a replacement drive. After the online spare has been
completely rebuilt (
Online
LED will be on solid), replace the failed drive with a new
drive.
Do not
replace the failed drive with the online spare.
■
A POST error message (1786) will occur when the system is turned on if a
drive(s) has been replaced while the system is OFF.
When this occurs you will
be prompted to:
PRESS F1
TO BOOT THE SYSTEM AND REBUILD THE REPLACED DRIVE,
OR
PRESS F2
TO BOOT THE SYSTEM AND NOT REBUILD THE DRIVE(S).
CAUTION:
Pressing F2 will cause permanent data loss to the
entire logical drive. Press F2 only if all of the drives have been
replaced or if complete data loss is desired.