Re: [ceph-users] Failed to start Ceph disk activation: /dev/dm-18

2017-05-16 Thread Kevin Olbrich
Hi, seems that I found the cause. The disk array was used for ZFS before and was not wiped. I zapped the disks with sgdisk and via ceph but "zfs_member" was still somewhere on the disk. Wiping the disk (wipefs -a -f /dev/mapper/mpatha), "ceph osd create --zap-disk" twice until entry in "df" and

[ceph-users] Failed to start Ceph disk activation: /dev/dm-18

2017-05-16 Thread Kevin Olbrich
HI! Currently I am deploying a small cluster with two nodes. I installed ceph jewel on all nodes and made a basic deployment. After "ceph osd create..." I am now getting "Failed to start Ceph disk activation: /dev/dm-18" on boot. All 28 OSDs were never active. This server has a 14 disk JBOD with