Ubuntu
mdadm package

  1. Bug #462258
  2. Comment #7

Comment 7 for bug 462258

Revision history for this message
Jamie Strandboge (jdstrand) wrote : Re: raid1 won't boot in degraded mode

Ok, I tried this a second time and it is totally reproducible. I will attach tarballs with screenshots clearly demonstrating the problem. Here was the order of operations:
1. install with raid1 (images 462258_[123]*)
2. grab the install logs, shutdown the VM without booting, copy disks to backup
3. remove vda (using 'virsh define 462258_no_vda.xml') and try to boot (image 462258_4*) -- FAIL
4. poweroff VM, remove vdb (using 'virsh define 462258_no_vdb.xml') and try to boot (image 462258_5*) -- works
5. restore disks from backups made in step 2, add both disks back to VM using 'virsh define 462258_both.xml'
6. boot with both disks, and run dpkg-reconfigure mdadm (images 462258_[67]*), then cleanly shutdown -- mdadm MAKEDEV failure
7. remove vda (using 'virsh define 462258_no_vda.xml') and try to boot (image 462258_8*) -- FAIL

I also included the libvirt xml files for the VMs.