Commissioning the device
4.3 Information on optional features
SIMATIC IPC547D
Operating Instructions, 06/2011, A5E03473780-01
49
Comments about faults
NOTICE
Input delay
Depending on the load on the processor and the hard disk activity at the time, the system
may become briefly overloaded when a disk fails due to the synchronization process.
In extreme cases, input from the keyboard and touch screen may be delayed for a brief
period.
Replacing a faulty drive in a RAID system
Replace faulty drive with a new drive in order to recover secure RAID5 state.
The RAID software indicates the following:
● A defective drive
● 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.