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System components and expansions The SCSI hard disk subsystem
44 A26361-K646-Z102-1-7619
The following applies if SCSI hard disk drives are operated on a disk array controller:
• RAID level 0 and 7
Rebuild is not possible. If a hard disk fails, its data is lost.
• RAID level 1 and 5 without standby hard disk
Rebuild on the new disk is carried out automatically when the old disk is swapped.
• RAID level 1 and 5 with standby hard disk
A standby hard disk is automatically enabled as a replacement for the defective hard disk and
the data of the defective disk is rebuilt on the standby disk.
Ê Read the documentation for the new hard disk drive.
8.1.1 SCSI hard disk drives
The SCSI hard disks which can be ordered for the server are supplied already mounted in the hard
disk carriers. The slide-in modules are equipped with a status and an error indicator. Unequipped
installation bays are covered with a blank insert.
!
A hard disk in the hard disk carrier may only be replaced by a service technician.
1 23 4 5
1 = Installation frame
2 = Indicators (green and orange)
3 = Handle for the locking and unlocking of the hard disk carrier
4 = Ridge for the application of a shield with the current drive identifier
5 = Blank insert