guilhem31 Posted May 2, 2020 Posted May 2, 2020 Hi ! I just built my new Unraid server, firts time doing it ! I'm happy to see it running but I have A LOT of questions ^^ First one : I have currently 1 500BG SSD drive to act as a cache drive. I have another 500GB that I'll use to create a cache pool, but I can't use it at the moment. If I configure my Unraid / Docker install (moving Docker appdata to cache drive) and then I add the second SSD to create a pool in few days > will the data on it be erased (reformatting or something) ? Quote
guilhem31 Posted May 2, 2020 Author Posted May 2, 2020 My bad, I think I get an answer by looking at this video : It seems adding a cache drive won't hurt the first drive !! Quote
testdasi Posted May 2, 2020 Posted May 2, 2020 1 hour ago, guilhem31 said: Hi ! I just built my new Unraid server, firts time doing it ! I'm happy to see it running but I have A LOT of questions ^^ First one : I have currently 1 500BG SSD drive to act as a cache drive. I have another 500GB that I'll use to create a cache pool, but I can't use it at the moment. If I configure my Unraid / Docker install (moving Docker appdata to cache drive) and then I add the second SSD to create a pool in few days > will the data on it be erased (reformatting or something) ? It depends on the file system. If it's btrfs then adding drive to the pool will automatically run RAID-1 profile so no erasing. If it's xfs then the pool will need to be formatted to btrfs i.e. data will need to be erased. 1 Quote
guilhem31 Posted May 2, 2020 Author Posted May 2, 2020 17 minutes ago, testdasi said: It depends on the file system. If it's btrfs then adding drive to the pool will automatically run RAID-1 profile so no erasing. If it's xfs then the pool will need to be formatted to btrfs i.e. data will need to be erased. Thanks for this advice The drives are allready in btrfs so there won't be a problem ! Quote
testdasi Posted May 2, 2020 Posted May 2, 2020 2 hours ago, guilhem31 said: Thanks for this advice The drives are allready in btrfs so there won't be a problem ! I still would recommend you watch SpaceInvader One tutorial on Youtube just so you don't accidentally make silly mistake. Quote
guilhem31 Posted May 2, 2020 Author Posted May 2, 2020 You're right! Thanks again for your answers 👍 Quote
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