karateo Posted January 17, 2016 Share Posted January 17, 2016 Tried to search first but I din't find anything. I currently don't have a cache drive. I store my docker.img plus any vdisks in a non cow user share I created in /mnt/disk1/ The array performance is more than enough for me. I don't move files a lot, so the 50-60MB/sec is ok. Dockers also run good enough. The only problem is the VMachines which run really really slow and the potential fragmentation the torrent files will cause using btrfs with cow enabled. What is the optimal configuration? Link to comment
jonp Posted January 17, 2016 Share Posted January 17, 2016 Tried to search first but I din't find anything. I currently don't have a cache drive. I store my docker.img plus any vdisks in a non cow user share I created in /mnt/disk1/ The array performance is more than enough for me. I don't move files a lot, so the 50-60MB/sec is ok. Dockers also run good enough. The only problem is the VMachines which run really really slow and the potential fragmentation the torrent files will cause using btrfs with cow enabled. What is the optimal configuration? Add a cache device and store your VMs there.. Array devices will cause VM performance to be slow. Ideally you want to use an SSD for this. Link to comment
karateo Posted January 25, 2016 Author Share Posted January 25, 2016 I bought a new disk for the array and moved an WD 500gb for VMs, dockers, appdata and torrents all CACHE ONLY. There is a huge speed improvement in VMs. I think that there should an explanation in help text for Primary vDisk Location: that without a cache drive the performance will be really really slow. Initially I thought I had done something wrong! Link to comment
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