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
<wyattgor...@wyattgorman.com>wrote:
> Well, those points solved the issue of the redefined host and the
> unidentified protocol. The
>
>
> "HEALTH_WARN 384 pgs degraded; 384 pgs stuck unclean; recovery 21/42
> degraded (50.000%)"
>
> error 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?
>
>
>
> On Wed, May 1, 2013 at 12:31 PM, Mike Dawson <mike.daw...@scholarstack.com
> > 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:
>>
>>> 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
>>> mon addr = 10.81.2.100:6789 <http://10.81.2.100:6789> [osd.0]
>>>
>>> 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.daw...@scholarstack.com
>>> <mailto:mike.dawson@**scholarstack.com<mike.daw...@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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>>>
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>>> >
>>>
>>>
>>>
>
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