HP 1850R - ProLiant - 128 MB RAM Troubleshooting Manual page 71

•
Do not replace more than one drive at the same time (for example, when the
system is off), since the fault tolerance can be compromised.
•
Do not turn off a connected hard drive enclosure when the server containing the
Smart Array Controller is powered up. Also, do not power up the server before
powering up the drive enclosure.
•
If POST error message 1786 occurs when the system is powered up after one or
more drives have been replaced while the system is powered down, 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 DRIVES
HP Servers Troubleshooting Guide
CAUTION: Replacing more than one drive at the same time compromises the
fault tolerance. 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 or drives, and permanent data loss can occur.
CAUTION: Turning off a connected hard drive enclosure when the server
containing the Smart Array Controller is powered up may cause the Smart Array
Controller to mark the drives in this enclosure as failed. Powering up the server
before powering up the drive enclosure may also cause the Smart Array
Controller to mark the drives in this enclosure as failed. Permanent data loss can
occur.
CAUTION: Pressing the F2 key causes permanent data loss to the entire logical
drive. Press the F2 key only if all of the drives have been replaced or if complete
data loss is desired.
Hardware Problems
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