Creating new GPT entries.

The operation has completed successfully.

An error occured handling 'md1': ProcessExecutionError - Unexpected error while running command.

Command: ['mdadm', '--create', '/dev/md1', '--run', '--homehost=ba0b1a-j31agzt-sk', '--level=1', '--raid-devices=2', '/dev/sda3', '/dev/sdb3']

Exit code: 1

Reason: -

Stdout: ''

Stderr: "mdadm: Note: this array has metadata at the start and\n    may not be suitable as a boot device.  If you plan to\n    store '/boot' on this device please ensure that\n    your boot-loader understands md/v1.x metadata, or use\n    --metadata=0.90\nmdadm: super1.x cannot open /dev/sdb3: Device or resource busy\nmdadm: /dev/sdb3 is not suitable for this array.\nmdadm: create aborted\n"

Unexpected error while running command.

Command: ['mdadm', '--create', '/dev/md1', '--run', '--homehost=ba0b1a-j31agzt-sk', '--level=1', '--raid-devices=2', '/dev/sda3', '/dev/sdb3']

Exit code: 1

Reason: -

Stdout: ''

Stderr: "mdadm: Note: this array has metadata at the start and\n    may not be suitable as a boot device.  If you plan to\n    store '/boot' on this device please ensure that\n    your boot-loader understands md/v1.x metadata, or use\n    --metadata=0.90\nmdadm: super1.x cannot open /dev/sdb3: Device or resource busy\nmdadm: /dev/sdb3 is not suitable for this array.\nmdadm: create aborted\n"

Installation failed with exception: Unexpected error while running command.

Command: ['curtin', 'block-meta', 'custom']

Exit code: 3

Reason: -

Stdout: b'Creating new GPT entries.\nThe operation has completed successfully.\nAn error occured handling \'md1\': ProcessExecutionError - Unexpected error while running command.\nCommand: [\'mdadm\', \'--create\', \'/dev/md1\', \'--run\', \'--homehost=ba0b1a-j31agzt-sk\', \'--level=1\', \'--raid-devices=2\', \'/dev/sda3\', \'/dev/sdb3\']\nExit code: 1\nReason: -\nStdout: \'\'\nStderr: "mdadm: Note: this array has metadata at the start and\\n    may not be suitable as a boot device.  If you plan to\\n    store \'/boot\' on this device please ensure that\\n    your boot-loader understands md/v1.x metadata, or use\\n    --metadata=0.90\\nmdadm: super1.x cannot open /dev/sdb3: Device or resource busy\\nmdadm: /dev/sdb3 is not suitable for this array.\\nmdadm: create aborted\\n"\nUnexpected error while running command.\nCommand: [\'mdadm\', \'--create\', \'/dev/md1\', \'--run\', \'--homehost=ba0b1a-j31agzt-sk\', \'--level=1\', \'--raid-devices=2\', \'/dev/sda3\', \'/dev/sdb3\']\nExit code: 1\nReason: -\nStdout: \'\'\nStderr: "mdadm: Note: this array has metadata at the start and\\n    may not be suitable as a boot device.  If you plan to\\n    store \'/boot\' on this device please ensure that\\n    your boot-loader understands md/v1.x metadata, or use\\n    --metadata=0.90\\nmdadm: super1.x cannot open /dev/sdb3: Device or resource busy\\nmdadm: /dev/sdb3 is not suitable for this array.\\nmdadm: create aborted\\n"\n'

Stderr: ''