October 29, 20178 yr Hey guys, I would like to use 2 SSDs in btrfs RAID0 for the VM images. Ideally I would have used the GUI, but I'm not sure you can create raid from the Unassigned devices tab. I enabled the Format button, but I think it will only let me format each individual drive. I tried creating the raid from the terminal using something like this: mkfs.btrfs -d raid0 /dev/sdb /dev/sdc and then I mounted on /mnt/users/disks/ It kinda worked, as I could put a few files on it but now I'm getting the "No space left on device" error message whenever I try to move or copy files on it, even though df -h usage is 1% on that mount point. Although if I btrfs filesystem usage /mnt/user/disks/, the "Unallocated" devices are showing as 929.50GiB x2, which leads me to believe I may not have assigned things properly. So basically I would like to know what would be the best way to correctly create that btrfs raid0 so that I could easily put the images on it ? Ideally I would have liked to see the partition on the "Unassigned devices" GUI with the % used. Note: I know I could use the cache instead, but I'm already using another SSD as cache, and I would like the extra performance of the unassigned devices in raid0, strickly reserved for the VMs content (games, etc.). Thanks !
October 29, 20178 yr Author I double checked my mount point settings and it turns out everything is actually working fine (I was not writing the files to the right location). So manually creating a raid0 for storing images does work, but as you mentionned @1812 that feature might not be implemented at the UI level. I moved existing os / games images that I had on the cache to that new raid, changed the img location in the VM template, fired up the VM and holy crap, now it's extremely smooth ! Before that I had performance issues when the game updates were downloading, the computer was not super responsive. Now it downloads super quickly and the rest of the system is unaffected !
September 29, 20187 yr Did you ever get this working successfully? I read your notes but that command just puts my drives into a "FORMAT" status on the unRAID interface. When I manually mount 1 of the 2 devices to /mnt/disks it says only 16KB free
September 29, 20187 yr Community Expert 3 minutes ago, xhaloz said: Did you ever get this working successfully? I read your notes but that command just puts my drives into a "FORMAT" status on the unRAID interface. When I manually mount 1 of the 2 devices to /mnt/disks it says only 16KB free See: https://forums.unraid.net/topic/46802-faq-for-unraid-v6/?do=findComment&comment=462135
September 29, 20187 yr 24 minutes ago, johnnie.black said: See: https://forums.unraid.net/topic/46802-faq-for-unraid-v6/?do=findComment&comment=462135 You're amazing. I really appreciate you sir.
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