jamse Posted January 18, 2019 Share Posted January 18, 2019 (edited) Is it a bad idea to mix ssd and hdd in my unraid array? Also, will there be an issue if my ssd is an nvme ssd? I have 5 x 10 tb drives and 1 x 250gb nvme ssd, which I plan to exclude from every other share except for appdata and domains for docker & vms. If it is a bad idea, should I just use unassigned devices, so I can utilize it for appdata and domains? Edited January 19, 2019 by jamse Quote Link to comment
trurl Posted January 18, 2019 Share Posted January 18, 2019 The simplest way is to put SSDs in the cache pool. Since you don't mention cache then that is what I recommend, and those shares (plus the system share) you want to use the SSD default to storing things on cache anyway. It is a bad idea to put them in the parity array, since they could only work at the speed of parity, and there may be some possibility that they would invalidate parity when they do their built-in housekeeping. 1 Quote Link to comment
jamse Posted January 18, 2019 Author Share Posted January 18, 2019 (edited) ahh okay. well im trying to separate my cache pool from my nvme, since I have 2 x 1tb sata ssd for that, and that is constantly being hit with data from four rtorrent docker containers. in my other unraid server if I max out my cache pool it stops all my docker containers, and I have my cache pool writing to the array once it hits 25% full it still cant keep up. Edited January 18, 2019 by jamse Quote Link to comment
trurl Posted January 19, 2019 Share Posted January 19, 2019 You can do it as an Unassigned Device but they are not part of user shares. You would need to manually configure the locations of docker image and appdata to make them live on the Unassigned Device, and be careful any time you create a container to be sure to override the default paths in your volume mappings. It can be done that way and many do, but you have to know what you're doing. 1 Quote Link to comment
jamse Posted January 19, 2019 Author Share Posted January 19, 2019 thank you for your help trurl! Quote Link to comment
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