What is the way to specify a RAID by uuid in Fedora-21?

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In previous versions, I could specify it with:

  raid /boot --device=UUID=34206d90:7e6a035e:8660b1b3:62cca315 --fstype=ext4 --label=/boot --useexisting

that does not work in F-21, neither does:

  raid /boot --device=/dev/disk/by-id/md-uuid-34206d90:7e6a035e:8660b1b3:62cca315 --fstype=ext4 --label=/boot --useexisting

which fails with:

  RAID volume "/dev/disk/by-id/md-uuid-34206d90:7e6a035e:8660b1b3:62cca315" specified with --useexisting does not exist.

even though storage.log contains:

  10:43:01,654 DEBUG blivet:          DeviceTree.addUdevDevice: info: {'DEVLINKS': '/dev/disk/by-id/md-uuid-34206d90:7e6a035e:8660b1b3:62cca315 /dev/disk/by-label/\\x2fboot /dev/disk/by-uuid/2b1ad073-26ff-44ae-8adf-1a13990d0dbc /dev/md/0',
 'DEVNAME': 'md0',
 'DEVPATH': '/devices/virtual/block/md0',
 'DEVTYPE': 'disk',
 'DM_MULTIPATH_TIMESTAMP': '1421059320',
 'ID_FS_LABEL': '/boot',
 'ID_FS_LABEL_ENC': '\\x2fboot',
 'ID_FS_TYPE': 'ext4',
 'ID_FS_USAGE': 'filesystem',
 'ID_FS_UUID': '2b1ad073-26ff-44ae-8adf-1a13990d0dbc',
 'ID_FS_UUID_ENC': '2b1ad073-26ff-44ae-8adf-1a13990d0dbc',
 'ID_FS_VERSION': '1.0',
 'MAJOR': '9',
 'MD_DEVICES': '2',
 'MD_DEVICE_vda1_DEV': '/dev/vda1',
 'MD_DEVICE_vda1_ROLE': '0',
 'MD_DEVICE_vdb1_DEV': '/dev/vdb1',
 'MD_DEVICE_vdb1_ROLE': '1',
 'MD_DEVNAME': '0',
 'MD_LEVEL': 'raid1',
 'MD_METADATA': '0.90',
 'MD_UUID': '34206d90:7e6a035e:8660b1b3:62cca315',
 'MINOR': '0',
 'MPATH_SBIN_PATH': '/sbin',
 'SUBSYSTEM': 'block',
 'SYSTEMD_WANTS': 'mdmonitor.service',
 'TAGS': ':systemd:',
 'USEC_INITIALIZED': '16422',
 'name': 'md0',
 'symlinks': ['/dev/disk/by-id/md-uuid-34206d90:7e6a035e:8660b1b3:62cca315',
              '/dev/disk/by-label/\\x2fboot',
              '/dev/disk/by-uuid/2b1ad073-26ff-44ae-8adf-1a13990d0dbc',
              '/dev/md/0'],
 'sysfs_path': '/devices/virtual/block/md0'} ; name: md0 ;
10:43:01,655 INFO blivet: scanning md0 (/devices/virtual/block/md0)...
10:43:01,656 DEBUG blivet:           DeviceTree.getDeviceByName: hidden: False ; name: md0 ; incomplete: False ;
10:43:01,657 DEBUG blivet:           DeviceTree.getDeviceByName returned None
10:43:01,658 DEBUG blivet:           DeviceTree.getDeviceByName: hidden: False ; name: 0 ; incomplete: False ;
10:43:01,660 DEBUG blivet: existing RAID raid1 size == 1023.94 MiB
10:43:01,659 DEBUG blivet:           DeviceTree.getDeviceByName returned existing 1023.94 MiB mdarray 0 (10)
10:43:01,675 DEBUG blivet: existing RAID raid1 size == 1023.94 MiB
10:43:01,690 DEBUG blivet: existing RAID raid1 size == 1023.94 MiB
10:43:01,714 DEBUG blivet: existing RAID raid1 size == 1023.94 MiB
10:43:01,705 INFO blivet: got device: MDRaidArrayDevice instance (0x7f125366fe10) --
  name = 0  status = True  kids = 0 id = 10
  parents = ['existing 1024 MiB partition vda1 (6) with existing mdmember',
 'existing 1024 MiB partition vdb1 (27) with existing mdmember']
  uuid = 34206d90-7e6a-035e-8660-b1b362cca315  size = 1023.94 MiB
  format = existing None
  major = 0  minor = 0  exists = True  protected = False
  sysfs path = /devices/virtual/block/md0  partedDevice = parted.Device instance --
  model: Linux Software RAID Array  path: /dev/md/0  type: 17
  sectorSize: 512  physicalSectorSize:  512
  length: 2097024  openCount: 0  readOnly: False
  externalMode: False  dirty: False  bootDirty: False
  host: 13107  did: 13107  busy: False
  hardwareGeometry: (262128, 2, 4)  biosGeometry: (130, 255, 63)
  PedDevice: <_ped.Device object at 0x7f1258a907a0>
  target size = 0 B  path = /dev/md/0
  format args = []  originalFormat = None  level = raid1  spares = 0
  members = 2
  total devices = 2  metadata version = 0.90
10:43:01,738 DEBUG blivet: existing RAID raid1 size == 1023.94 MiB
10:43:01,762 DEBUG blivet: existing RAID raid1 size == 1023.94 MiB
10:43:01,786 DEBUG blivet: existing RAID raid1 size == 1023.94 MiB

 
Anybody that could give some useful pointers?

Regards

Anders Blomdell

-- 
Anders Blomdell                  Email: anders.blomdell@xxxxxxxxxxxxxx
Department of Automatic Control
Lund University                  Phone:    +46 46 222 4625
P.O. Box 118                     Fax:      +46 46 138118
SE-221 00 Lund, Sweden

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