Hello all,
we’ve set up a new Ceph cluster with a number of nodes which are all
identically configured.
There is one device vda which should act as WAL device for all other devices.
Additionally, there are four other devices vdb, vdc, vdd, vde which use vda as
WAL.
The whole cluster was set up
d3b96--7bb2--4ae3--a0f8--4d18748186f9
> 252:10 50G 0 lvm
> sdc
> 8:32 0 50G 0 disk
> `-ceph--5255bfbb--f133--4954--aaa8--35e2643ed491-osd--block--9e67ea46--2409--45f8--83e1--f66a42a6d9d0
> 252:2 0 50G 0 lvm
> sdd
> 8:48
