2-24 Compaq ProLiant ML570 Maintenance and Service Guide
Hard Drive Cage with Backplane Board
The ProLiant ML570 server contains two hard drive cages. Each hard drive cage supports up to
six hard drives.
CAUTION: If the ProLiant ML570 server is set up in an array configuration and an active hard
drive is replaced while the system is powered down, the following POST hard drive error
message (1786) occurs when the system is powered up:
PRESS <F1> TO BOOT THE SYSTEM AND REBUILD THE REPLACED DRIVE, OR
PRESS <F2> TO BOOT THE SYSTEM WITHOUT REBUILDING THE DRIVE(S).
Pressing F2 causes permanent data loss to the logical hard drive. F2 should be pressed only
when all of the hard drives were replaced or when complete data loss is desired.
NOTE: When a hard drive configured for fault tolerance is replaced, the replacement hard drive
automatically begins reconstruction. Drive reconstruction is active when the drive online LED is
flashing green.
To remove the hard drive cage with backplane board:
1. Perform the preparation procedures. See “Preparation Procedures” earlier in this chapter.
2. Remove the access panel. See “Access Panel (Tower and Rack)” earlier in this chapter.
3. Remove all hard drives from the bays of the cage to be removed. See “Hot-Plug SCSI
Hard Drives” earlier in this chapter.
4. Remove the hard drive fan air baffle. See “Hard Drive Fan Air Baffle” earlier in
this chapter.
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