I ma trying to make a "RAID1" with /dev/sda2 ans /dev/sdb (or similar).
But I have stranges status or errors about "missing devices" and I do not understand the current situation :
root@server:~# btrfs fi show Label: none uuid: 28c2b7ab-631c-40a3-bab7-00dac5dd20eb Total devices 1 FS bytes used 190.91GiB devid 1 size 1.82TiB used 196.02GiB path /dev/sda2 warning, device 1 is missing Label: none uuid: 2d45149a-fb97-4c2a-bae2-4cfe4e01a8aa Total devices 2 FS bytes used 116.18GiB devid 2 size 1.82TiB used 118.03GiB path /dev/sdb *** Some devices missing root@server:~# fdisk -l Disk /dev/sda: 1.8 TiB, 2000398934016 bytes, 3907029168 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disklabel type: gpt Disk identifier: CFF97102-D6B5-4126-B2B4-FA735598D1F0 Device Start End Sectors Size Type /dev/sda1 2048 1050623 1048576 512M EFI System /dev/sda2 1050624 3907026943 3905976320 1.8T Linux filesystem Disk /dev/sdb: 1.8 TiB, 2000398934016 bytes, 3907029168 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 4096 bytes root@server:~# btrfs fi usage / Overall: Device size: 1.82TiB Device allocated: 196.02GiB Device unallocated: 1.63TiB Device missing: 0.00B Used: 191.84GiB Free (estimated): 1.63TiB (min: 835.27GiB) Data ratio: 1.00 Metadata ratio: 2.00 Global reserve: 263.64MiB (used: 0.00B) Data,single: Size:192.01GiB, Used:189.98GiB /dev/sda2 192.01GiB Metadata,DUP: Size:2.00GiB, Used:951.67MiB /dev/sda2 4.00GiB System,DUP: Size:8.00MiB, Used:48.00KiB /dev/sda2 16.00MiB Unallocated: /dev/sda2 1.63TiB root@server:~#
