Hi Wyatt,
You need to reduce the replication level on your existing pools to 1, or bring up another OSD. The default configuration specifies a replication level of 2, and the default crush rules want to place a replica on two distinct OSDs. With one OSD, CRUSH can't determine placement for the replica and so Ceph is reporting a degraded state.Dino
On Wed, May 1, 2013 at 11:45 AM, Wyatt Gorman <wyattgorman@xxxxxxxxxxxxxxx> wrote:
Well, those points solved the issue of the redefined host and the unidentified protocol. Theerror is still an issue, though. Is this something simple like some hard drive corruption that I can clean up with a fsck, or is this a ceph issue?
"HEALTH_WARN 384 pgs degraded; 384 pgs stuck unclean; recovery 21/42 degraded (50.000%)"
On Wed, May 1, 2013 at 12:31 PM, Mike Dawson <mike.dawson@xxxxxxxxxxxxxxxx> wrote:Wyatt,
A few notes:
- Yes, the second "host = ceph" under mon.a is redundant and should be deleted.
- "auth client required = cephx [osd]" should be simply
auth client required = cephx".
- Looks like you only have one OSD. You need at least as many (and hopefully more) OSDs than highest replication level out of your pools.
Mike
On 5/1/2013 12:23 PM, Wyatt Gorman wrote:
mon addr = 10.81.2.100:6789 <http://10.81.2.100:6789> [osd.0]Here is my ceph.conf. I just figured out that the second host = isn't
necessary, though it is like that on the 5-minute quick start guide...
(Perhaps I'll submit my couple of fixes that I've had to implement so
far). That fixes the "redefined host" issue, but none of the others.
[global]
# For version 0.55 and beyond, you must explicitly enable or
# disable authentication with "auth" entries in [global].
auth cluster required = cephx
auth service required = cephx
auth client required = cephx [osd]
osd journal size = 1000
#The following assumes ext4 filesystem.
filestore xattr use omap = true
# For Bobtail (v 0.56) and subsequent versions, you may add
#settings for mkcephfs so that it will create and mount the file
#system on a particular OSD for you. Remove the comment `#`
#character for the following settings and replace the values in
#braces with appropriate values, or leave the following settings
#commented out to accept the default values. You must specify
#the --mkfs option with mkcephfs in order for the deployment
#script to utilize the following settings, and you must define
#the 'devs' option for each osd instance; see below. osd mkfs
#type = {fs-type} osd mkfs options {fs-type} = {mkfs options} #
#default for xfs is "-f" osd mount options {fs-type} = {mount
#options} # default mount option is "rw,noatime"
# For example, for ext4, the mount option might look like this:
#osd mkfs options ext4 = user_xattr,rw,noatime
# Execute $ hostname to retrieve the name of your host, and
# replace {hostname} with the name of your host. For the
# monitor, replace {ip-address} with the IP address of your
# host.
[mon.a]
host = ceph
host = ceph
# For Bobtail (v 0.56) and subsequent versions, you may add
# settings for mkcephfs so that it will create and mount the
# file system on a particular OSD for you. Remove the comment
# `#` character for the following setting for each OSD and
# specify a path to the device if you use mkcephfs with the
# --mkfs option.
#devs = {path-to-device}
[osd.1]
host = ceph
#devs = {path-to-device}
[mds.a]
host = ceph
On Wed, May 1, 2013 at 12:14 PM, Mike Dawson_________________________________________________<mike.dawson@xxxxxxxxxxxxxxxx <mailto:mike.dawson@scholarstack.com>> wrote:
Wyatt,
Please post your ceph.conf.
- mike
On 5/1/2013 12:06 PM, Wyatt Gorman wrote:
Hi everyone,
I'm setting up a test ceph cluster and am having trouble getting it
running (great for testing, huh?). I went through the
installation on
Debian squeeze, had to modify the mkcephfs script a bit because
it calls
monmaptool with too many paramaters in the $args variable (mine had
"--add a [ip address]:[port] [osd1]" and I had to get rid of the
[osd1]
part for the monmaptool command to take it). Anyway, so I got it
installed, started the service, waiting a little while for it to
build
the fs, and ran "ceph health" and got (and am still getting
after a day
and a reboot) the following error: (note: I have also been
getting the
first line in various calls, unsure why it is complaining, I
followed
the instructions...)
warning: line 34: 'host' in section 'mon.a' redefined
2013-05-01 12:04:39.801102 b733b710 -1 WARNING: unknown auth
protocol
defined: [osd]
HEALTH_WARN 384 pgs degraded; 384 pgs stuck unclean; recovery 21/42
degraded (50.000%)
Can anybody tell me the root of this issue, and how I can fix
it? Thank you!
- Wyatt Gorman
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