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Forum Discussion
DavidKino
Jul 01, 2016Aspirant
ReadyNAS 204 one disk's space is not shown
I have bought a new ReadyNAS204 and 2 SATA 3TB disks. The disks could be found in admin page but the space is not correct. It's now 1.59TB free of 2.72TB. It seems lost the other 3TB. Any suggest...
- Jul 05, 2016
Leia wrote:
But there's no data redundancy for RAID 0. So if one of your drive got failed, all your data would be lost.
I want to emphasize that when either drive fails you lose all the data on both drives. You can also create two volumes (one for each drive) which is a lot safer.
Leia wrote:
Actually if you get one more 3TB drive(must be 3TB at least), and still on XRAID mode, hot-insert the new 3TB drive into your box, you would have a 6TB RAID 5 volume then. RAID 5 volume also has redundancy.
This is generally the best configuration for most users. Fot the extra ~$100 US you get the ability to recover from single disk failures with no need to restore files, and also have the ability to expand the array with no need to restore files from backup.
You will still need a backup though, as RAID alone is not enough to keep your data safe.
omicron_persei8
Jul 05, 2016Luminary
On two disks, on a RN204, you're probably better off using JBOD instead of RAID0. That way you can use mixed capacities. And the RAID0 performance increase would probably be very un-noticeable anyway.
- StephenBJul 05, 2016Guru - Experienced User
omicron_persei8 wrote:
On two disks, on a RN204, you're probably better off using JBOD instead of RAID0. That way you can use mixed capacities. And the RAID0 performance increase would probably be very un-noticeable anyway.Most users are better off not using either mode to span multiple disks.
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