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Forum Discussion
Combination of 6TB and 4TB disks inserted to RN104
Hello,
I need a small piece of info confirming;
I have a four bay system Ready NAS 104. bays 1 & 2 have 6TB HHD and are set up as X-Raid. I have added two more HDD to bays 3 & 4 butthey a...
This is a case where the ordering matters. If you had started with 2x4TB and added 2x6TB you'd have 14 TB of total storage with single drive redundancy.
So one option is to do a factory reset with all disks in place, rebuild the NAS (reconfigure, reinstall any apps) and restore the data from backup.
Wouldn't you have to do a factory reset with the 2x4TB drives i nplace first, and then add the 6TB drives and expand the volume? I was under the impression a factory reset with different sized drives effectively treats the larger drives as smaller drives? Or have I got that wrong?
meverz wrote:
Wouldn't you have to do a factory reset with the 2x4TB drives i nplace first, and then add the 6TB drives and expand the volume? I was under the impression a factory reset with different sized drives effectively treats the larger drives as smaller drives? Or have I got that wrong?
You can do the reset with all the drives in place. XRAID ends up layered. You have a "base" layer of 4x4TB RAID-5 (12 TB capacity), and an "upper" layer of 2x2TB Raid-1 (2 TB capacity) - using the extra space on the 6 TB drives. This is transparent to you - you just see a 14 TB volume. The system will likely want to reboot before it builds the upper layer.
Installing 2x4TB and adding the 6 TB drives one at a time has the same effect, but ends up rebuilding the base layer 3 times.
Thanks very much for the info.
thats what I'll do then, backup everything, rearrange the disks then reboot and copy everything back on.
Hello again,
seems my problems isnt so simple to solve after all !
I'm home from my vacation and checked the machine to see about backing up and moving the disks agound.
So Bay 1 & 2 are 6TB WD Green HDD which can be seen and the data read ok. Bays 3 & 4 are WD Red 4TB so there shoudlnt be a problem but that disks wont integrate into the X-Raid as was my origional problem.
So that issue needs solving
Another issue is that now i cant access the NAS at all now !
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