Re: [ceph-users] _read_bdev_label failed to open

Running the following after prepare and a reboot, "solves" this problem. [root@osd01 ~]# partx -v -a /dev/mapper/mpatha partition: none, disk: /dev/mapper/mpatha, lower: 0, upper: 0 /dev/mapper/mpatha: partition table type 'gpt' detected partx: /dev/mapper/mpatha: adding partition #1 failed: Inval

Re: [ceph-users] _read_bdev_label failed to open

I also noticed there are no folders under /var/lib/ceph/osd/ ... Mit freundlichen Grüßen / best regards, Kevin Olbrich. 2018-02-04 19:01 GMT+01:00 Kevin Olbrich : > Hi! > > Currently I try to re-deploy a cluster from filestore to bluestore. > I zapped all disks (multiple times) but I fail addin

[ceph-users] _read_bdev_label failed to open

Hi! Currently I try to re-deploy a cluster from filestore to bluestore. I zapped all disks (multiple times) but I fail adding a disk array: Prepare: > ceph-deploy --overwrite-conf osd prepare --bluestore --block-wal /dev/sdb > --block-db /dev/sdb osd01.cloud.example.local:/dev/mapper/mpatha Ac

[ceph-users] Luminous/Ubuntu 16.04 kernel recommendation ?

Hello, What is the best kernel for Luminous on Ubuntu 16.04 ? Is linux-image-virtual-lts-xenial still the best one ? Or linux-virtual-hwe-16.04 will offer some improvement ? Thanks, -- Yoann Moulin EPFL IC-IT ___ ceph-users mailing list ceph-users@l

[ceph-users] permitted cluster operations during i/o

Hello! One more newbie question ) I have a minimal working ceph cluster: 3 nodes, 6 OSDs. I understand that I can scale up cluster adding one or more OSDs or even nodes without stopping clients i/o and loosing consistency. What if I decide to add a cache pool backed by SSDs or move a journal to