Hello,
I think this is a newbe question but I tested everything and, yes I FTFM as
best I could.
I'm evaluating ceph and so I setup a cluster of 4 nodes. The nodes are KVM
virtual machines named ceph01 to ceph04 all running Ubuntu 12.04.2 LTS each
with a single osd named osd.1 though osd.4 respective to the host they were
running on. Each host also has a 1TB disk for ceph to use '/dev/vdb1'.
After some work I was able to get the cluster up and running and even mounted
it on a test client host (named ceph00). I ran into issues when I was testing
a failure. I shut off ceph02 and watched via (ceph -w) it recover and move the
data around. At this point all is fine.
When I turned the host back on, it did not auto reconnect. I expected this. I
then send through many attempts to re add it but all failed.
Here is an output from: ceph osd tree
# id weight type name up/down reweight
-1 4 root default
-3 4 rack unknownrack
-2 1 host ceph01
1 1 osd.1 up 1
-4 1 host ceph02
2 1 osd.2 down 0
-5 1 host ceph03
3 1 osd.3 up 1
-6 1 host ceph04
4 1 osd.4 up 1
-7 0 rack unkownrack
ceph -s
health HEALTH_WARN 208 pgs peering; 208 pgs stuck inactive; 208 pgs stuck
unclean; 1/4 in osds are down
monmap e1: 1 mons at {a=10.30.20.81:6789/0}, election epoch 1, quorum 0 a
osdmap e172: 4 osds: 3 up, 4 in
pgmap v1970: 960 pgs: 752 active+clean, 208 peering; 5917 MB data, 61702 MB
used, 2854 GB / 3068 GB avail
mdsmap e39: 1/1/1 up {0=a=up:active}
While I'm able to get it to be in the 'in' state, I cant seem to bring it up.
Any ideas on how to fix this?
Thanks,
Glen Aidukas [Manager IT Infrasctructure]
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