Created attachment 1119079 [details]
journalctl

Oops, some shortcut just submitted my draft..

Bug issue:

Using F23 workstation Live install (usb), I could not select the luks encrypted drive. It is missing.

I tried to unlock it first before starting anaconda, and I got the following backtrace:

backtrace Traceback (most recent call last):
  File "/usr/lib64/python3.4/site-packages/pyanaconda/threads.py", line 253, in run
    threading.Thread.run(self, *args, **kwargs)
  File "/usr/lib64/python3.4/threading.py", line 868, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/lib/python3.4/site-packages/blivet/osinstall.py", line 1157, in storageInitialize
    storage.reset()
  File "/usr/lib/python3.4/site-packages/blivet/blivet.py", line 279, in reset
    self.devicetree.populate(cleanupOnly=cleanupOnly)
  File "/usr/lib/python3.4/site-packages/blivet/devicetree.py", line 554, in populate
    self._populator.populate(cleanupOnly=cleanupOnly)
  File "/usr/lib/python3.4/site-packages/blivet/populator.py", line 1623, in populate
    self._populate()
  File "/usr/lib/python3.4/site-packages/blivet/populator.py", line 1692, in _populate
    self.addUdevDevice(dev)
  File "/usr/lib/python3.4/site-packages/blivet/populator.py", line 715, in addUdevDevice
    device = self.addUdevDMDevice(info)
  File "/usr/lib/python3.4/site-packages/blivet/populator.py", line 305, in addUdevDMDevice
    slave_devices = self._addSlaveDevices(info)
  File "/usr/lib/python3.4/site-packages/blivet/populator.py", line 274, in _addSlaveDevices
    raise DeviceTreeError(msg)
blivet.errors.DeviceTreeError: failed to add slave fedora-00 of device luks-8e2ebe1b-5846-4f14-8808-bf7280b3325c

The LUKS-encrypted devices in your system are LVM logical volumes -- not drives. I say that not to be argumentative, but because it's a very important distinction. When you select disks, you are only going to be presented with disks -- not LVM logical volumes. The part where you deal with LVM logical volumes is later, and only if you choose to configure storage manually. What you want to do on the disk selection screen is select the disks that you want to make available. After that, you will deal with devices contained by those disks in a separate step. Please try again and report back with your results.

Yes sure, sorry for the distinction.

To be precise, I have the following hard drives:
1 SSD 128 GB
2 HDD 500 GB each under a RAID 1 container

At first stage, Anaconda only offers me the SSD and the USB dongle.
I can't select the Hard drive.

The device are found, and I am able to mount the HDD using nautilus.
But if I try to start anaconda with this disk unlocked, I get the backtrace.


My first issue is understanding why anaconda does not show this disk. It should be about the RAID thing and not the LUKS LVM volumes as you explained.
My actual system has been installed using anaconda under F20.
But with an other computer, same configuration (RAID1) it passed.

I will probably install in the SSD only to add later the HDD to hold /home (my initial wish) to move forward.

Tell me if I can try debug a bit more.
Thx

I did notice that sda is marked as a spare in the fwraid array, which means the array only has one active member: sdb. This is not a configuration we support installing to since RAID arrays must meet basic requirements such as not being degraded (a single-member RAID1 is degraded) before being considered suitable as a target for an OS installation.

ok thanks for the clue.
I do not know why the secondary disk has been defined as spare. I don't know deeply how works hardware RAID controllers, I haven't changed default settings from the previous install.

However I noticed that under the Fedora 23 Live I have only one disk under /dev/md*. Under Fedora 20 I had two, but only one active reading "mdadm --detail /dev/md127" (or 126..) (I tried to grow the container but it was asking for two spares..)

I just dropped the partition table of the disks. And was able to select it under Anaconda.
After a fresh install of Fedora 23, I had two active RAID disks under the array.
But after a reboot, I don't have any /dev/md* devices.
There might be something to configure there.

Thanks for your help.
At least, can't we have a warning about hidden disks?

This ticket might be invalid...

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