Hi,
I'm brand new to Ceph, attempting to follow the Getting
Started<http://ceph.com/docs/master/start/>guide with 2 VMs. I
completed the Preflight without issue. I completed Storage
Cluster Quick Start <http://ceph.com/docs/master/start/quick-ceph-deploy/>,
but have some questions:
The *Single Node Quick Start* grey box -- does 'single node' mean if you're
running the whole thing on a single machine, if you have only one server
node like the diagram at the top of the page, or if you're only running one
OSD process? I'm not sure if I need to make the `osd crush chooseleaf type`
change.
Are the LIST, ZAP, and ADD OSDS ON STANDALONE DISKS sections an alternative
to the MULTIPLE OSDS ON THE OS DISK (DEMO ONLY) section? I thought I set up
my OSDs already on /tmp/osd{0,1}.
Moving on to the Block Device Quick
Start<http://ceph.com/docs/master/start/quick-rbd/> --
it says "To use this guide, you must have executed the procedures in the
Object Store Quick Start guide first" -- but the link to the Object Store
Quick Start actually points to the Storage Cluster Quick
Start<http://ceph.com/docs/master/start/quick-ceph-deploy/> --
which is it?
Most importantly, it says "Ensure your Ceph Storage Cluster is in an active
+ clean state before working with the Ceph Block Device" --- how can tell
if my cluster is active+clean?? The only ceph* command on the admin node is
ceph-deploy, and running `ceph` on the server node:
ceph@jr-ceph2:~$ ceph
2013-09-16 16:53:10.880267 7feb96c1b700 -1 monclient(hunting): ERROR:
missing keyring, cannot use cephx for authentication
2013-09-16 16:53:10.880271 7feb96c1b700 0 librados: client.admin
initialization error (2) No such file or directory
Error connecting to cluster: ObjectNotFound
Thanks in advance for any help, and apologies if I missed anything obvious.
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