Hi Frederic, Thanks for the additional information.
On 10/10/2014 10:58, SCHAER Frederic wrote: > [root@ceph1 ~]# parted -s /dev/sdc mklabel gpt What happens if you don't do that ? ceph-disk should be able to handle a disk without this step. Other than this the preparation looks fine. > It's funny : I retried and ceph-disk prepare worked this time. I tried on > another disk, and it failed. > There is a difference in the output from ceph-disk : on the failing disk, I > have these extra lines after disks are prepared : > (...) > realtime =none extsz=4096 blocks=0, rtextents=0 > Warning: The kernel is still using the old partition table. > The new table will be used at the next reboot. > The operation has completed successfully. > partx: /dev/sdc: error adding partitions 1-2 Since it worked when you repeated the command prepare on the previous disk, maybe it will also work on this disk ? Could you try and send the output of ceph-disk -v prepare /dev/sdc as well as the udev debug output when you try that ? Maybe it's related to the fact that blkid does not have ID_PART_ENTRY_ (could it be that the root cause it that udev itself does not support it or partially supports it) ? Maybe it's a race condition if it works the second time around. Cheers -- Loïc Dachary, Artisan Logiciel Libre
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