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Forum Discussion
Replace drives in RN104
I have just bought a RN104 4-bay diskless NAS. I already had some 500GB disks so I put them in, which gave me around 900GB usable space. In my existing PC I had a 1.5TB disk which I have moved the contents of onto the NAS.
I also want to put this disk in as the 4th disk. What will my final usable capacity be?
How would I go about replacing the disks with new 2TB disks? If I replace them one at a time when will I get the benefit of the full 2TB on the new disks?
Hope that all makes sense!
Neil
I also want to put this disk in as the 4th disk. What will my final usable capacity be?
How would I go about replacing the disks with new 2TB disks? If I replace them one at a time when will I get the benefit of the full 2TB on the new disks?
Hope that all makes sense!
Neil
5 Replies
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- you can maximum expand the nas with 8 TB after initial size, so how much you can add, depends on how you started,
lets assume you added 3x500 gb in, then later added 1,5T, then 8T - 1.5 equals max expandability to 6.5, or 3x 2T drives, unless you do a factory default when you add all the 2 T drives. so the best you could do is, dont add the 1.5T, but just slowly replace the 500G drives, one by one (let the nas resync between disk change)
hope it made sense.. - I think that's depend on raid mode you created; assume you added 3*500G in, there's only around 900G ( (3-1)*500G ) usable space, because left space is reserved as redundent protect. If you add 4th 1.5T disk in, I am afraid the avaliable space will not be changed.
But if you replaced all disks with 2T, that means
3*2T --> (3-1) * 2T = 4T
4*2T --> (4-2) * 2T = 4T - continue....
maybe you are surprised at usable capacity not increasing but your data will be more stable and safe,
i don't know why they sacrisfy the capacity to keep data more stable but anyway the activity is like that.
Hope any help FireWalkerX wrote: you can maximum expand the nas with 8 TB after initial size, so how much you can add, depends on how you started
That is a limitation with EXT4 and the older models. ReadyNAS OS 6 (the OS on the new devices such as the RN104) uses BTRFS and does not have this limitation.mdgm wrote: FireWalkerX wrote: you can maximum expand the nas with 8 TB after initial size, so how much you can add, depends on how you started
That is a limitation with EXT4 and the older models. ReadyNAS OS 6 (the OS on the new devices such as the RN104) uses BTRFS and does not have this limitation.
ahh ok :-)
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