Networking and servers • Re: RAID setup problem

Code:

root@raspberrypi:/home/pi# sudo mkfs.btrfs -f /dev/sda1btrfs-progs v5.10.1 See http://btrfs.wiki.kernel.org for more information.Label:              (null)UUID:               1f408fd6-3274-4c9f-a831-c4f43061caedNode size:          16384Sector size:        4096Filesystem size:    1.82TiBBlock group profiles:  Data:             single            8.00MiB  Metadata:         DUP               1.00GiB  System:           DUP               8.00MiBSSD detected:       noIncompat features:  extref, skinny-metadataRuntime features:   Checksum:           crc32cNumber of devices:  1Devices:   ID        SIZE  PATH    1     1.82TiB  /dev/sda1root@raspberrypi:/home/pi# sudo mkfs.btrfs -f /dev/sdbbtrfs-progs v5.10.1 See http://btrfs.wiki.kernel.org for more information.Label:              (null)UUID:               59b82728-4d3b-46ba-9c2c-30994280a555Node size:          16384Sector size:        4096Filesystem size:    1.82TiBBlock group profiles:  Data:             single            8.00MiB  Metadata:         DUP               1.00GiB  System:           DUP               8.00MiBSSD detected:       noIncompat features:  extref, skinny-metadataRuntime features:   Checksum:           crc32cNumber of devices:  1Devices:   ID        SIZE  PATH    1     1.82TiB  /dev/sdbroot@raspberrypi:/home/pi# sudo mkfs.btrfs -f /dev/sdf1btrfs-progs v5.10.1 See http://btrfs.wiki.kernel.org for more information.Label:              (null)UUID:               61e536df-3754-49ec-acd6-fa5a1e8d572aNode size:          16384Sector size:        4096Filesystem size:    1.82TiBBlock group profiles:  Data:             single            8.00MiB  Metadata:         DUP               1.00GiB  System:           DUP               8.00MiBSSD detected:       noIncompat features:  extref, skinny-metadataRuntime features:   Checksum:           crc32cNumber of devices:  1Devices:   ID        SIZE  PATH    1     1.82TiB  /dev/sdf1root@raspberrypi:/home/pi# sudo mkfs.btrfs -f /dev/sdgbtrfs-progs v5.10.1 See http://btrfs.wiki.kernel.org for more information.Label:              (null)UUID:               1e1d3492-70dd-44b4-b62a-70848c7ef32cNode size:          16384Sector size:        4096Filesystem size:    1.82TiBBlock group profiles:  Data:             single            8.00MiB  Metadata:         DUP               1.00GiB  System:           DUP               8.00MiBSSD detected:       noIncompat features:  extref, skinny-metadataRuntime features:   Checksum:           crc32cNumber of devices:  1Devices:   ID        SIZE  PATH    1     1.82TiB  /dev/sdg 

Code:

root@raspberrypi:/home/pi# fdisk -lDisk /dev/ram0: 4 MiB, 4194304 bytes, 8192 sectorsUnits: sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesDisk /dev/ram1: 4 MiB, 4194304 bytes, 8192 sectorsUnits: sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesDisk /dev/ram2: 4 MiB, 4194304 bytes, 8192 sectorsUnits: sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesDisk /dev/ram3: 4 MiB, 4194304 bytes, 8192 sectorsUnits: sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesDisk /dev/ram4: 4 MiB, 4194304 bytes, 8192 sectorsUnits: sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesDisk /dev/ram5: 4 MiB, 4194304 bytes, 8192 sectorsUnits: sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesDisk /dev/ram6: 4 MiB, 4194304 bytes, 8192 sectorsUnits: sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesDisk /dev/ram7: 4 MiB, 4194304 bytes, 8192 sectorsUnits: sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesDisk /dev/ram8: 4 MiB, 4194304 bytes, 8192 sectorsUnits: sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesDisk /dev/ram9: 4 MiB, 4194304 bytes, 8192 sectorsUnits: sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesDisk /dev/ram10: 4 MiB, 4194304 bytes, 8192 sectorsUnits: sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesDisk /dev/ram11: 4 MiB, 4194304 bytes, 8192 sectorsUnits: sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesDisk /dev/ram12: 4 MiB, 4194304 bytes, 8192 sectorsUnits: sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesDisk /dev/ram13: 4 MiB, 4194304 bytes, 8192 sectorsUnits: sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesDisk /dev/ram14: 4 MiB, 4194304 bytes, 8192 sectorsUnits: sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesDisk /dev/ram15: 4 MiB, 4194304 bytes, 8192 sectorsUnits: sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesDisk /dev/mmcblk0: 29,72 GiB, 31914983424 bytes, 62333952 sectorsUnits: sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 512 bytesI/O size (minimum/optimal): 512 bytes / 512 bytesDisklabel type: dosDisk identifier: 0x57981454Device         Boot  Start      End  Sectors  Size Id Type/dev/mmcblk0p1        8192   532479   524288  256M  c W95 FAT32 (LBA)/dev/mmcblk0p2      532480 62333951 61801472 29,5G 83 LinuxDisk /dev/sde: 3,64 TiB, 4000787027968 bytes, 7814037164 sectorsDisk model: External USB 3.0Units: sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesDisklabel type: gptDisk identifier: D3BF824B-FA77-42D6-BF1D-FDC5D32A51C7Device     Start        End    Sectors  Size Type/dev/sde1   2048 7814035455 7814033408  3,6T Microsoft basic dataDisk /dev/md127: 1,82 TiB, 2000261545984 bytes, 3906760832 sectorsUnits: sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 512 bytesI/O size (minimum/optimal): 512 bytes / 512 bytesDisk /dev/md126: 1,82 TiB, 2000261545984 bytes, 3906760832 sectorsUnits: sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 512 bytesI/O size (minimum/optimal): 512 bytes / 512 bytesDisk /dev/zram0: 7,68 GiB, 8244133888 bytes, 2012728 sectorsUnits: sectors of 1 * 4096 = 4096 bytesSector size (logical/physical): 4096 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesDisk /dev/zram1: 7,68 GiB, 8244133888 bytes, 2012728 sectorsUnits: sectors of 1 * 4096 = 4096 bytesSector size (logical/physical): 4096 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesDisk /dev/zram2: 7,68 GiB, 8244133888 bytes, 2012728 sectorsUnits: sectors of 1 * 4096 = 4096 bytesSector size (logical/physical): 4096 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesDisk /dev/zram3: 7,68 GiB, 8244133888 bytes, 2012728 sectorsUnits: sectors of 1 * 4096 = 4096 bytesSector size (logical/physical): 4096 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesDisk /dev/sda: 1,82 TiB, 2000398931968 bytes, 3907029164 sectorsDisk model: EXTERNAL_USB    Units: sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 512 bytesI/O size (minimum/optimal): 512 bytes / 512 bytesDisklabel type: dosDisk identifier: 0x1746e8a3Device     Boot Start        End    Sectors  Size Id Type/dev/sda1  *     2048 3907027119 3907025072  1,8T  b W95 FAT32Disk /dev/sdb: 1,82 TiB, 2000398931968 bytes, 3907029164 sectorsDisk model: External USB 3.0Units: sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 512 bytesI/O size (minimum/optimal): 512 bytes / 512 bytesDisk /dev/sdf: 1,82 TiB, 2000398931968 bytes, 3907029164 sectorsDisk model: EXTERNAL_USB    Units: sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 512 bytesI/O size (minimum/optimal): 512 bytes / 512 bytesDisklabel type: dosDisk identifier: 0xe952bb40Device     Boot Start        End    Sectors  Size Id Type/dev/sdf1  *     2048 3907027119 3907025072  1,8T  b W95 FAT32Disk /dev/sdg: 1,82 TiB, 2000398934016 bytes, 3907029168 sectorsDisk model: External USB 3.0Units: sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 512 bytesI/O size (minimum/optimal): 512 bytes / 512 bytesroot@raspberrypi:/home/pi# 

Code:

root@raspberrypi:/home/pi# sudo mkfs.btrfs -L my4HDDraid10 -m raid10 -d raid10 /dev/sda1 /dev/sdb /dev/sdf1 /dev/sdgbtrfs-progs v5.10.1 See http://btrfs.wiki.kernel.org for more information./dev/sda1 appears to contain an existing filesystem (btrfs).ERROR: use the -f option to force overwrite of /dev/sda1root@raspberrypi:/home/pi# sudo mkfs.btrfs -f my4HDDraid10 -m raid10 -d raid10 /dev/sda1 /dev/sdb /dev/sdf1 /dev/sdgbtrfs-progs v5.10.1 See http://btrfs.wiki.kernel.org for more information.ERROR: mount check: cannot open my4HDDraid10: No such file or directoryERROR: cannot check mount status of my4HDDraid10: No such file or directory