Cache pool upgrade advise


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Hi,

I have an Unraid server running 7 8TB HDD's + 1 8TB HDD as parity.

Also I have two 1TB NVME SSD cache drives in RAID1 for my Docker/VM and two 1TB SATA SSD cache that I use for my Downloads/Shares.

I use the server for automatic media management (with the arr's & hardlinks), also some VM's, backups of our pc's, and some docker containers.

The problem I'm having now is that the Downloads/Share cache pool gets full to fast so I would like to upgrade, but what would be the best setup?

 

Leave the two 1TB in NVME and RAID1 for my Dockers/VM

+

Replace the 1TB's SATA with 2TB SATA?

or

Set the two 1TB's SATA in RAID1 so I have 2TB but no redundency

 

Alternative: leave the two RAID1 cache pools and add an extra SATA SSD or HDD just for the Downloads?

 

Thx

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