Thank you Michael,
It works like a charm ! I got
cluster c887f570-bd8d-4aa3-bc63-b8ff959bd03f
health HEALTH_OK
monmap e1: 1 mons at {storage=172.16.3.2:6789/0}, election epoch 2, quorum
0 storage
osdmap e18: 2 osds: 2 up, 2 in
pgmap v33: 192 pgs, 3 pools, 0 bytes data, 0 objects
71260 kB used, 1396 GB / 1396 GB avail
192 active+clean
The only thing embarrasses me is available space. I have 2x750Gb
drives and the total amount of available space is indeed 1396Gb, but if Ceph
automatically creates 2 replicas of every object, then this space should be
divided by 2 isn’t it? The correct number should be ~700Gb
Regards,
Vadim.
From: [email protected]
[mailto:[email protected]] On Behalf Of Michael
Sent: Tuesday, April 29, 2014 11:10 PM
To: [email protected]
Subject: Re: [ceph-users] Ceph 0.72.2 installation on Ubuntu 12.04.4 LTS never
got active + сlean
Hi Vadim,
The default distribution rule is now to split over hosts. If you only have one
host Ceph will not be able to replicate your data.
If you need to replicate within a single host you will have to update your
crush rules from "step chooseleaf firstn 0 type host" to "step chooseleaf
firstn 0 type osd" or similar depending on your crush setup.
Please see the documentation for more info
https://ceph.com/docs/master/rados/operations/crush-map/.
-Michael
On 29/04/2014 21:00, Vadim Kimlaychuk wrote:
Hello all,
I have tried to install subj. almost 10 times from the beginning
using official guides:
http://ceph.com/docs/master/start/
and older one
http://eu.ceph.com/docs/wip-6919/start/quick-start/
The result is always the same. At the end of installation I got:
<root@storage>/root # ceph -s
cluster c887f570-bd8d-4aa3-bc63-b8ff959bd03f
health HEALTH_WARN 91 pgs degraded; 192 pgs stuck unclean
monmap e1: 1 mons at {storage=172.16.3.2:6789/0}, election epoch 2, quorum
0 storage
osdmap e16: 2 osds: 2 up, 2 in
pgmap v29: 192 pgs, 3 pools, 0 bytes data, 0 objects
69780 kB used, 1396 GB / 1396 GB avail
101 active+remapped
91 active+degraded
And
<root@storage>/root # ceph osd tree
# id weight type name up/down reweight
-1 2 root default
-2 2 host storage
0 1 osd.0 up 1
1 1 osd.1 up 1
Or similar in the number of “active + remapped” and “active +
degradated” number of PGs. Writing down the object using rados didn’t change
anything.
Never got any PG active+clean statuses as guide says. What I am
doing wrong? Are these guides outdated?
Host configuration is simple: single PC with 3 HDDs – one for OS + journal, 2
for OSD-s.
BR,
Vadim Kimlaychuk
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