boniac Posted January 24, 2020 Share Posted January 24, 2020 (edited) Good evening community, I am trying to setup up my first Unraid server and progress has halted when I am trying to setup my first array. Withing the array I have 6 disks that didn't have any signs of problems when assigned, but two disks can't be assigned and gives me the error message 'You may not add new disk(s) and also remove existing disk(s).' (disk 7 and disk 8). View the attached image for clarification: I think the problem lies within my faulty first steps assigning those two hdd's as cache devices instead of adding them to the array. I've been reading up that you might need to reformat them from xfs to brtfs (or was it the other way around) but doesn't seem to succeed. Any hints on how I can proceed? Edited January 24, 2020 by boniac misprint Quote Link to comment
trurl Posted January 24, 2020 Share Posted January 24, 2020 SSDs are not recommended in the array. They can only be written as fast as parity, they can't be trimmed, and there is some concern that some may invalidate parity. Put them in cache pool. 1 Quote Link to comment
boniac Posted January 24, 2020 Author Share Posted January 24, 2020 1 minute ago, trurl said: SSDs are not recommended in the array. They can only be written as fast as parity, they can't be trimmed, and there is some concern that some may invalidate parity. Put them in cache pool. My fault trurl, wrote ssd's instead of hdd's. I meant disk 7 and 8 in the image. Those can't be assigned to the array and gives me the error message. Quote Link to comment
JorgeB Posted January 24, 2020 Share Posted January 24, 2020 You can't add new disks while parity is invalid (or add data + parity devices at the same time ), because of a long time bug you'll get a nonsensical error, but you still need to sync parity first, then add new disks. 1 Quote Link to comment
boniac Posted January 24, 2020 Author Share Posted January 24, 2020 Ah. Now I get it and it works! Thanks for the ultra fast, you-need-to-get-paid-for-that-speed, reply. 😁 Quote Link to comment
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