Ceph tip: build your monitor map
If you want to change or rebuild a new set of monitor servers, you will need to manipulate the monmap. This monmap is exchange between every monitors.
Tip Ceph: public/private network configuration
While strolling within the ceph mailing list, I came accross something really useful, something that I was looking for :)
Tip: watch your nova log at the same time
I never thought about blogging this, but I think it can be useful for those of you who don’t know this little tool called: Multitail.
Make the network of your VMs fly with the virtio driver
Bring gigabit to your VM’s NIC!
RBD objects analysis
A little bit more about RBD objects…
Delete a VM in an error state
Quick script to delete all the intances in error state.
NFS over RBD
Since CephFS is not most mature component in Ceph, you won’t consider to use it on a production platform. In this article, I offer a possible solution to expose RBD to a shared filesystem.
Remove a MDS server from a Ceph cluster
Quick tip.
If you don’t use CephFS, you don’t need a MDS server. However if you installed it simply to try CephFS and if you’r done playing with it here is how to delete the MDS server.
Download a Glance image from RBD
Quick tip.
If you want to download a glance image stored in a RBD backend.
Use RBD on a client
Quick tip on Ceph. The linux kernel RBD (rados block device) driver allows striping a linux block device over multiple distributed object store data objects. The libceph module takes care of that.