Hi,
Problem solved by editting crushmap to change the default rule from "step chooseleaf firstn 0 type host" to "step chooseleaf firstn 0 type osd" .
Thanks Ashish and Robert, your reply really helps me a lot.
Thanks again.
# rules
rule data {
ruleset 0
type replicated
min_size 1
max_size 10
step take default
-step chooseleaf firstn 0 type host
+step chooseleaf firstn 0 type osd
step emit
}
[root@storage1 ~]# ceph -s
cluster 3429fd17-4a92-4d3b-a7fa-04adedb0da82
health HEALTH_OK
monmap e1: 1 mons at {storage1=193.168.1.100:6789/0}, election epoch 1, quorum 0 storage1
osdmap e166: 8 osds: 8 up, 8 in
pgmap v428: 192 pgs, 3 pools, 10000 bytes data, 1000 objects
42564 MB used, 13883 GB / 14670 GB avail
192 active+clean
|
Hi,
Anyways its not suggested to have a single node, but if you are having and you must (may be for testing purposes) you can include :
"osd crush chooseleaf type = 0" in global section of ceph.conf and restart all ceph services, to have all pgs in active+clean state.
Thanks and Regards
Ashish Chandra
Cloud Engineer, Reliance Jio
On Thu, Mar 13, 2014 at 2:35 PM, Robert van Leeuwen <Robert.vanLeeuwen@xxxxxxxxxxxxx> wrote:
> The question is that I cannot understand why the status of the PGS is always STUCK UNCLEAN. As I
> see it, the status should be ACTIVE+CLEAN.
It looks like you have one physical node.
If you have a pool with a replication count of 2 (default) I think it wil try to spread the data across 2 failure domains by default.
My guess is the default crush map will see a node as a single failure domain by default.
So, edit the crushmap to allow this or add a second node.
Cheers,
Robert van Leeuwen
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