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Drive Pooling - Horizontally Expanding/Upgrading Single Disk System
I have purchased a ReadyNAS 3138 and a 10TB Ironwolf HDD. I am currently migrating data to it as my original "NAS" was simply a home PC, with Windows Home Server 2011 and StableBit DrivePool install...
CrippleZero wrote:
So, it should expand each time I add 10TB, correct?
No. The capacity rule with multiple disks and single redundancy is "sum the disks and subtract the largest".
So the second disk would create a RAID-1 mirrored array, with no increase of capacity. After that, adding a 10 TB disk would add an additional 10 TB of capacity. 4x10TB would give you a 30 TB volume.
CrippleZero wrote:
Basically, ultimately, I wanted to max it out at ITS max of 40TB over time.
To be clear, it's actual max capacity is higher than that. The datasheet assumes the maximum compatible disk size that's available at time of publication. There is no known limit for the capacity of the NAS itself.
At the moment, the largest compatible disk size has grown to 16 TB. So the max capacity now is 64 TB raw storage, and a 48 TB volume.
So, it should expand each time I add 10TB, correct? Given the price of HDDs, it may be a month or 2 before I can expand again. Basically, ultimately, I wanted to max it out at ITS max of 40TB over time.
I guess the other question would be - the specs say it supports a "Total Solution Capacity" @ 40TB. Is that 40 raw or 40 AFTER a format/span/parity striping?
CrippleZero wrote:
So, it should expand each time I add 10TB, correct?
No. The capacity rule with multiple disks and single redundancy is "sum the disks and subtract the largest".
So the second disk would create a RAID-1 mirrored array, with no increase of capacity. After that, adding a 10 TB disk would add an additional 10 TB of capacity. 4x10TB would give you a 30 TB volume.
CrippleZero wrote:
Basically, ultimately, I wanted to max it out at ITS max of 40TB over time.
To be clear, it's actual max capacity is higher than that. The datasheet assumes the maximum compatible disk size that's available at time of publication. There is no known limit for the capacity of the NAS itself.
At the moment, the largest compatible disk size has grown to 16 TB. So the max capacity now is 64 TB raw storage, and a 48 TB volume.
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