Wd NAS server 20 TB My Cloud EX4 WDBWWD0200KBK-EESN built-in Western Digital RED, RAID-compatible WDBWWD0200KBK-EESN User Manual
Product codes
WDBWWD0200KBK-EESN
APPENDIX
153
WD MY CLOUD EX4 PERSONAL CLOUD STORAGE
USER MANUAL
USER MANUAL
Appendix D: Supported RAID Modes
Provided below is a chart identifying those modes that are supported for RAID storage.
Appendix E: RAID Migrations
The chart provided below identifies the RAID migration paths allowed on your WD My Cloud
EX4 device.
EX4 device.
Note:
RAID 1 + Spanning migration to RAID 5 is not supported.
Supported RAID Modes
1 Disk
2 Disks
3 Disks
4 Disks
Spanning
No
Yes
Yes
Yes
RAID 0
No
Yes
Yes
Yes
RAID 1
No
Yes
No
Yes, 2 RAIDs
RAID 5
No
No
Yes
Yes
RAID 10
No
No
No
Yes
Hot Spare (for RAID 5 only)
No
No
No
Yes
JBOD
Yes
Yes
Yes
Yes
From
To
JBOD (1 Disk)
•
RAID 1 (2 disks)
•
RAID 5 (3 disks)
•
RAID 5 (4 disks)
RAID 1 (2 Disks)
•
RAID 5 (3 disks)
•
RAID 5 (4 disks)
RAID 1 (2 DIsks with
spare)
spare)
•
RAID 5 (3 disks)
•
RAID 5 (4 disks)