Re: [ceph-users] rbd Problem with disk full

2014-04-29 Thread Christian Balzer
Hello, 1) RBD is sparsely allocated, meaning that creating a 10TB volume would initially take up close to no space at all. 2) It is also completely file system agnostic (as the B for block indicates, a misconception that creeps up with DRBD all the time, too). That means that when you write 8T

[ceph-users] rbd Problem with disk full

2014-04-28 Thread Alphe Salas
Hello, I need rbd kernel module to really delete data on osd related disks. Having a ever growing "hidden data" is not a great solution. Then we can say that first of all we should be able at least manually to strip out the "hidden" data aka the replicas. I use rbd image let say it is 10 TB