Removable Hard Disks - Siemens SIMATIC PC 847B Operating Instructions Manual

Commissioning
7.4 Notes on operation
7.4.2

Removable hard disks

The exchangeable racks support hot-swapping in a RAID1 system.
Replacing a hard disk
Hard drives may only be replaced in an exchangeable rack if the device status display is
off.
Note
The table and information below apply only to the delivery state of the device, that is if no
changes or expansions were made.
How to remove the hard disk:
1. Check which hard disk the RAID controller has reported being faulty (hard disk at channel
The table below shows the assignment of the exchangeable rack positions in the device to
the RAID system reports:
Assigned
LED
HDD1
ALARM
HDD2
ALARM
If the SIMATIC monitoring software is installed the status LED (5) or (6) on the front panel
1)
is lit if the hard disk has failed.
40
CAUTION
1 or 2).
RAID BIOS
1)
Port 0
Port 2
RAID software SATA interface Installation location
Device Port 0 SATA0
Device Port 2 SATA2
Power LED (1)
Power supply present
HDD activity display (2)
Also note the HDD (7), HDD 1 ALARM (6)
or HDD 2 ALARM (5) status display.
(3) Exchangeable
rack
(4) Exchangeable
rack
SIMATIC Rack PC 847B
Operating Instructions, 06/2008, A5E02203168-01
Enclosure
labeling
1
2