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ZFS Pool special, or cache?

TallMan206
in General Support

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Hi, 

 

I am investigating whether I did the right thing with my ZFS pool in UnRAID 7.1.2.

I have on my main server a pool consisting of 4x 20TB and 2x 500GB NVME SSD. This server has 192GB RAM.

 

I added the 2x 500GB NVME drives as 'special' subpool to the ZFS pool. I wonder if it was not smarter to have them as cache? 

I mainly have big files like movies and TV-Shows writing to the server (and reading those files when using Plex).

 

My backupserver has a pool consisting of 4x 8TB and 4x 4TB (2 vdev's in 1 pool). There I added 2 SATA 2.5 inch SSD's as 'special' subpool. This server has 32GB of RAM.

Because this server makes a backup once a week, I wonder if it is not better to have my SSD's doing another task? When making a backup it copies all those movies and TV-Shows, so big streams of data.

 

What are your opinions on this subject?

 

Thanks.

 

Backuppie.png

Mainserver.png

Edited by TallMan206

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