ceph.conf

; global
[global]
	; enable secure authentication
	;auth supported = cephx

        ; allow ourselves to open a lot of files
        max open files = 131072

        ; set up logging
        log file = /var/log/ceph/$name.log

        ; set up pid files
        pid file = /var/run/ceph/$name.pid

; monitors
;  You need at least one.  You need at least three if you want to
;  tolerate any node failures.  Always create an odd number.
[mon]
	mon data = /mnt/data/mon$id

	; logging, for debugging monitor crashes, in order of
	; their likelihood of being helpful :)
	;debug ms = 1
	;debug mon = 20
	;debug paxos = 20
	;debug auth = 20

[mon.0]
	host = nebula0
	mon addr = 10.1.9.40:6789

[mon.1]
	host = nebula1
	mon addr = 10.1.9.41:6789

[mon.2]
	host = nebula2
	mon addr = 10.1.9.42:6789

; mds
;  You need at least one.  Define two to get a standby.
[mds]
	; where the mds keeps it's secret encryption keys
	;keyring = /data/keyring.$name

	; mds logging to debug issues.
	;debug ms = 1
	;debug mds = 20

[mds.nebula0]
	host = nebula0
        debug ms = 1
        debug mds = 20

[mds.nebula1]
	host = nebula1

[mds.nebula2]
	host = nebula2

; osd
;  You need at least one.  Two if you want data to be replicated.
;  Define as many as you like.
[osd]
	; This is where the btrfs volume will be mounted.
	osd data = /mnt/data/osd$id

	; Ideally, make this a separate disk or partition.  A few
 	; hundred MB should be enough; more if you have fast or many
 	; disks.  You can use a file under the osd data dir if need be
 	; (e.g. /data/osd$id/journal), but it will be slower than a
 	; separate disk or partition.

        ; This is an example of a file-based journal.
	osd journal = /mnt/journal/osd$id/journal
	osd journal size = 500 ; journal size, in megabytes

	; osd logging to debug osd issues, in order of likelihood of being
	; helpful
	;debug ms = 1
	;debug osd = 20
	;debug filestore = 20
	;debug journal = 20

[osd.0]
	host = nebula0

	; if 'btrfs devs' is not specified, you're responsible for
	; setting up the 'osd data' dir.  if it is not btrfs, things
	; will behave up until you try to recover from a crash (which
	; usually fine for basic testing).
	devs = /dev/sda6

[osd.1]
	host = nebula1
	devs = /dev/sda6

[osd.2]
	host = nebula2
	devs = /dev/sda6

[osd.3]
	host = nebula3
	devs = /dev/sda6