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xtravbx

RAID 5 expansion (from 3 to 4 discs) storage space seems inaccurate?

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New here. Just got my synology setup. 

 

Storage space discrepancies after adding my 4th and final 8tb disc.

 

DS3615xs

Current DSM version:

DSM 6.1.7-15284 Update 3

DSM date:

2018/12/26

 

I have rebooted a couple times. Totally lost as to why it is not calculating things properly?

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Edited by xtravbx

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What am I missing? This is RAID 5 array with 4x8TB drives. you lose 1 drive worth for protection and the overhead of formats, file system and other guff. You will have roughly 21+TB to play with?

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17 hours ago, jensmander said:

Did you unmount the SSD Cache before you added the new hdd? 

No. Is that what caused this?

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I had a similar setup in a bare-metal system. Before I could expand the storage pool the SSD cache had to be removed. Otherwise DSM threw up an error.

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