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Forum Discussion
XRAID2 vs RAID6, etc.
I've got an RN104 on the way and I'd like to better understand my configuration options. To start with, I have to admit that I'm planning on using 3x2TB Caviar Greens to start with (WD20EARX); I kn...
If your PC is holding the primary copy of the data, then the copy on your NAS is the backup. However the NAS in itself is not a backup. If you store data only on the NAS then it is not backed up.
RAID provides redundancy/high-availability not backup.
Your NAS uses X-RAID2 but the UI calls it X-RAID.
By default an X-RAID volume with 3 or more equal sized (or where only the largest capacity disk has a different capacity) disks will be using RAID-5.
If you switch to Flex-RAID (disable X-RAID) you can choose to have the next disk added convert the volume to RAID-6, then after that re-enable X-RAID again.
Alternatively you could backup your data, switch to Flex-RAID, delete the volume and create a new RAID-6 volume (note a RAID-6 volume requires at least four disks), then re-enable X-RAID.
RAID provides redundancy/high-availability not backup.
Your NAS uses X-RAID2 but the UI calls it X-RAID.
By default an X-RAID volume with 3 or more equal sized (or where only the largest capacity disk has a different capacity) disks will be using RAID-5.
If you switch to Flex-RAID (disable X-RAID) you can choose to have the next disk added convert the volume to RAID-6, then after that re-enable X-RAID again.
Alternatively you could backup your data, switch to Flex-RAID, delete the volume and create a new RAID-6 volume (note a RAID-6 volume requires at least four disks), then re-enable X-RAID.
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