migrate FreeNAS to VM

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digity

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I've been running FreeNAS bare metal on dual XEON CPUs, 48 GB RAM and LSI 9211-8i HBA card (w/ IT firmware) + Intel SAS Expander for up to 24 drives. As you can imagine the specs are gross overkill for FreeNAS, especially since it has turned out to be an archive server. I'd like to utilize more of the server's resources, throw ESXi on there and move virtual FreeNAS. Is it as simple as using passthrough/VT-d to give the FreeNAS VM the HBA card & drives, performing a fresh install, importing the config file via the web UI, importing the pools or is there more stuff involved than that? Also, what specs should I give the FreeNAS VM?
 

sretalla

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You shouldn't need to import the pools if you restore the config.

FreeNAS loves RAM (so it's just a question of what will you take away from it to use elsewhere), but doesn't really need a lot of CPU unless you do things like transcoding in Plex, so 2 VCores could be OK. (I give mine 4, but don't really need to)
 

kdragon75

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what specs should I give the FreeNAS VM?
Start with the recommended minimums and 2 cores. Make sure your using vmxnet3 vNICs.
 
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