Device maintenance and repair
7.3 Managing RAID systems
SIMATIC IPC847D
92 Operating Instructions, 01/2014, A5E32997454-AA
Displaying a defective hard disk of a RAID system in the RAID software
Note
Always replace the defective hard disk with a new hard
disk of the same type and capacity.
Replace a faulty hard disk with a new hard disk in order to return to a secure RAID1 state
after an error.
The RAID software indicates the following:
● A defective hard disk
● Details of the functioning hard disk:
The functioning hard disk is indicated by BIOS with its port number or by the RAID
software with its device port number.
The following figure shows the corresponding window in the RAID software with a RAID1
system.
You can find information on how to detect and replace a defective hard disk in the RAID
system in the section "Replacing a defective hard disk drive in the RAID system (Page 84)".
Points to note if the hard disk in the RAID system is replaced when the
computer is turned off
To be able to boot from the RAID system, you must place it first in the list of bootable
sources in the BIOS "Boot" setup menu. Otherwise, the system will boot from the hard disk
you have just installed and the message "Operating system not found" will be displayed.
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