Operating the device
5.3 Drive configurations
SIMATIC IPC847E
66 Operating Instructions, 10/2018, A5E43920357-AA
Hot-spare drive in RAID1 or RAID5 systems
A hot spare drive is a drive included in the device as spare.
If you have ordered a device with a hot-spare drive, your device is equipped with this hot-
spare drive in the factory state.
If a defective drive is detected in the RAID1 or RAID5 system, the hot-spare drive is
automatically integrated instead of the defective drive during operation and assumes its
function.
Data synchronization to the hot-spare drive starts automatically.
Integrating a hot-spare drive into the onboard RAID system (Page 72)
Data synchronization in the RAID system (Page 82)
You can order the device as a system with two drives. For information on hard disk capacity,
refer to your order documentation.
When the device ships, the second drive is then connected to SATA port 1 and not yet set
up. You have the option of backing up your data to this drive.
You can find information on how to boot the device from the second drive in the detailed
firmware/BIOS description, see "Important instructions and manuals for operating the device
(Page 11)".
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