Siemens SIMATIC IPC647D Operating Instructions Manual page 20

Commissioning the device
3.3 SAS Hardware RAID system
The figure below shows the drives in the removable drive bay using the example of RAID5
with hot-spare drive.
①
②
③
④
⑤
⑥
Assigned
LED
HDD0 ALARM
HDD1 ALARM
HDD2 ALARM
HDD3 ALARM
IPC847D only
*
The removable drive bays are installed in the front drive cage.
1
Integrating a new hard disk
A hard disk is integrated automatically into the RAID if it fulfills one of the following
requirements:
● The hard disk is brand new.
● The hard disk is set up as a global spare drive.
● The hard disk is set up as a specific dedicaded spare drive.
20
Removable drive bay 0
Removable drive bay 1
Removable drive bay 2
Removable drive bay 3
"Power" LED; power supply present
"HDD" LED, access to hard disk
RAID
BIOS
1
Port 0
Port 1
Port 2
Port 3
If the hard disk is defective and the SIMATIC monitoring software is installed, the
ALARM LEDs light up individually or simultaneously on the front.
RAID software Cable
connection
Device 0 0
Device 1 1
Device 2 2
Device 3 3
SIMATIC IPC647D/847D Hardware RAID Configuration
Compact Operating Instructions, 08/2014, A5E34655907-AA
Installation location
Removable drive bay
Removable drive bay
Removable drive bay
*
Removable drive bay
*
Enclosure
labeling
SAS HDD0
SAS HDD1
SAS HDD2
SAS HDD3