On Fri, Apr 22, 2011 at 3:39 AM, Wido den Hollander <wido@xxxxxxxxx> wrote:
> Hi,
>
> On Thu, 2011-04-21 at 14:14 -0700, Colin McCabe wrote:
>> Looks good. I would leave out the "log dir" stuff, though. That thing
>> has been deprecated since forever in favor of "log file".
>
> Is it really deprecated? A quick search through the code shows it is
> still there.
>
> DoutStreamBuff shows:
>
> // If conf->log_file was specified, that takes the highest priority
> if (!conf->log_file.empty()) {
> string log_file(normalize_relative(conf->log_file.c_str()));
> if (conf->log_per_instance) {
>
> But why is log_dir still there?
>
> But you're right, for regular logging log file should be used. Still,
> why is log dir still there?
Mainly because of a desire not to break old configuration files. At
some point we should try to get rid of it, though. Maybe the first
step is to have a phase where we issue a warning about it.
sincerely,
Colin
>
>>
>> cheers,
>> Colin
>>
>>
>> On Thu, Apr 21, 2011 at 1:07 PM, Wido den Hollander <wido@xxxxxxxxx> wrote:
>> >
>> > Signed-off-by: Wido den Hollander <wido@xxxxxxxxx>
>> > ---
>> > src/sample.ceph.conf | 77 ++++++++++++++++++++++++++++++++++++++++++--------
>> > 1 files changed, 65 insertions(+), 12 deletions(-)
>> >
>> > diff --git a/src/sample.ceph.conf b/src/sample.ceph.conf
>> > index 473114b..67cb5ae 100644
>> > --- a/src/sample.ceph.conf
>> > +++ b/src/sample.ceph.conf
>> > @@ -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
>> > +; $name = mon.beta
>> > +
>> > ; global
>> > [global]
>> > ; enable secure authentication
>> > @@ -18,17 +34,42 @@
>> > ; allow ourselves to open a lot of files
>> > max open files = 131072
>> >
>> > - ; set up logging
>> > - log file = /var/log/ceph/$name.log
>> > + ; You can change the default log location if you want to
>> > + ;log dir = /var/log/ceph
>> > + ;log file = $name.log
>> > +
>> > + ; Logging to syslog is also possible
>> > + ; If you want to disable logging to files, you should empty log dir and file
>> > + ;log to syslog = true
>> > + ;log dir =
>> > + ;log file =
>> > +
>> > + ; This is the default pid file location
>> > + ;pid file = /var/run/ceph/$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/$name
>> > +
>> > + ; If you are using for example the RADOS Gateway and want to have your newly created
>> > + ; pools a higher replication level, you can set a default
>> > + ;osd pool default size = 3
>> > +
>> > + ; You can also specify a CRUSH rule for new pools
>> > + ; Wiki: http://ceph.newdream.net/wiki/Custom_data_placement_with_CRUSH
>> > + ;osd pool default crush rule = 0
>> > +
>> > + ; Timing is critical for monitors, but if you want to allow the clocks to drift a
>> > + ; bit more, you can specify the max drift.
>> > + ;mon clock drift allowed = 1
>> > +
>> > + ; Tell the monitor to backoff from this warning for 30 seconds
>> > + ;mon clock drift warn backoff = 30
>> >
>> > ; logging, for debugging monitor crashes, in order of
>> > ; their likelihood of being helpful :)
>> > @@ -37,15 +78,15 @@
>> > ;debug paxos = 20
>> > ;debug auth = 20
>> >
>> > -[mon.0]
>> > +[mon.alpha]
>> > host = alpha
>> > mon addr = 192.168.0.10:6789
>> >
>> > -[mon.1]
>> > +[mon.beta]
>> > host = beta
>> > mon addr = 192.168.0.11:6789
>> >
>> > -[mon.2]
>> > +[mon.gamma]
>> > host = gamma
>> > mon addr = 192.168.0.12:6789
>> >
>> > @@ -70,17 +111,25 @@
>> > ; Define as many as you like.
>> > [osd]
>> > ; This is where the btrfs volume will be mounted.
>> > - osd data = /data/osd$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 +147,10 @@
>> > ; 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
>> > --
>> > 1.7.0.4
>> >
>> > --
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>> >
>
>
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