@@ -10,6 +10,22 @@
; the current host (e.g., in a setup with a startup.conf on each
; node).
+; The variables $type, $id and $name are available to use in paths
+; $type = The type of daemon, possible values: mon, mds and osd
+; $id = The ID of the daemon, for mon.alpha, $id will be alpha
+; $name = $type.$id
+
+; For example:
+; osd.0
+; $type = osd
+; $id = 0
+; $name = osd.0
+
+; mon.beta
+; $type = mon
+; $id = beta
+; $name = mon.beta
+
; global
[global]
; enable secure authentication
@@ -18,17 +34,40 @@
; allow ourselves to open a lot of files
max open files = 131072
- ; set up logging
- log file = /var/log/ceph/$name.log
+ ; You can change the default log location if you want to
+ ;log file = /var/log/ceph/$name.log
+
+ ; Logging to syslog is also possible
+ ; If you want to disable logging to files, you should empty log file
+ ;log to syslog = true
+ ;log file =
+
+ ; This is the default pid file location
+ ;pid file = /var/run/ceph/$name.pid
- ; set up pid files
- pid file = /var/run/ceph/$name.pid
+ ; If you want to run a IPv6 cluster, set this to true. Dual-stack isn't possible
+ ;ms bind ipv6 = true
; monitors
; You need at least one. You need at least three if you want to
; tolerate any node failures. Always create an odd number.
[mon]
- mon data = /data/mon$id
+ mon data = /data/$name
+
+ ; If you are using for example the RADOS Gateway and want to have your newly created
+ ; pools a higher replication level, you can set a default
+ ;osd pool default size = 3
+
+ ; You can also specify a CRUSH rule for new pools
+ ; Wiki: http://ceph.newdream.net/wiki/Custom_data_placement_with_CRUSH
+ ;osd pool default crush rule = 0
+
+ ; Timing is critical for monitors, but if you want to allow the clocks to drift a
+ ; bit more, you can specify the max drift.
+ ;mon clock drift allowed = 1
+
+ ; Tell the monitor to backoff from this warning for 30 seconds
+ ;mon clock drift warn backoff = 30
; logging, for debugging monitor crashes, in order of
; their likelihood of being helpful :)
@@ -37,15 +76,15 @@
;debug paxos = 20
;debug auth = 20
-[mon.0]
+[mon.alpha]
host = alpha
mon addr = 192.168.0.10:6789
-[mon.1]
+[mon.beta]
host = beta
mon addr = 192.168.0.11:6789
-[mon.2]
+[mon.gamma]
host = gamma
mon addr = 192.168.0.12:6789
@@ -70,17 +109,25 @@
; Define as many as you like.
[osd]
; This is where the btrfs volume will be mounted.
- osd data = /data/osd$id
+ osd data = /data/$name
; Ideally, make this a separate disk or partition. A few
; hundred MB should be enough; more if you have fast or many
; disks. You can use a file under the osd data dir if need be
- ; (e.g. /data/osd$id/journal), but it will be slower than a
+ ; (e.g. /data/$name/journal), but it will be slower than a
; separate disk or partition.
; This is an example of a file-based journal.
- osd journal = /data/osd$id/journal
- osd journal size = 1000 ; journal size, in megabytes
+ osd journal = /data/$name/journal
+ ; Journal size, in megabytes
+ osd journal size = 1000
+
+ ; If you want to run the journal on a tmpfs, disable DirectIO
+ ;journal dio = false
+
+ ; You can change the number of recovery operations to speed up recovery
+ ; or slow it down if your machines can't handle it
+ ;osd recovery max active = 3
; osd logging to debug osd issues, in order of likelihood of being
; helpful
@@ -98,6 +145,10 @@
; usually fine for basic testing).
btrfs devs = /dev/sdx
+ ; If you want to specify some other mount options, you can do so.
+ ; The default values are rw,noatime
+ ;btrfs options = rw,noatime
+
[osd.1]
host = epsilon
btrfs devs = /dev/sdy
Signed-off-by: Wido den Hollander <wido@widodh.nl> --- src/sample.ceph.conf | 75 ++++++++++++++++++++++++++++++++++++++++++-------- 1 files changed, 63 insertions(+), 12 deletions(-)