Hello Tu,
yes that's correct. The mon nodes run as well on the OSD nodes. So I have
3 nodes in total. OSD, MDS and Mon on each Node.
Regards - Willi
Am 03.07.16 um 09:56 schrieb Tu Holmes:
Where are your mon nodes?
Were you mixing mon and OSD together?
Are 2 of the mon nodes down as well?
On Jul 3, 2016 12:53 AM, "Willi Fehler" <willi.feh...@t-online.de
<mailto:willi.feh...@t-online.de>> wrote:
Hello Sean,
I've powered down 2 nodes. So 6 of 9 OSD are down. But my client
can't write and read anymore from my Ceph mount. Also 'ceph -s' hangs.
pool 1 'cephfs_data' replicated size 3 min_size 1 crush_ruleset 0
object_hash rjenkins pg_num 300 pgp_num 300 last_change 447 flags
hashpspool crash_replay_interval 45 stripe_width 0
pool 2 'cephfs_metadata' replicated size 3 min_size 1
crush_ruleset 0 object_hash rjenkins pg_num 300 pgp_num 300
last_change 445 flags hashpspool stripe_width 0
2016-07-03 09:49:40.695953 7f3da56f9700 0 --
192.168.0.5:0/2773396901 <http://192.168.0.5:0/2773396901> >>
192.168.0.7:6789/0 <http://192.168.0.7:6789/0> pipe(0x7f3da0001f50
sd=3 :0 s=1 pgs=0 cs=0 l=1 c=0x7f3da0000f20).fault
2016-07-03 09:49:44.195029 7f3da57fa700 0 --
192.168.0.5:0/2773396901 <http://192.168.0.5:0/2773396901> >>
192.168.0.6:6789/0 <http://192.168.0.6:6789/0> pipe(0x7f3da0005500
sd=4 :0 s=1 pgs=0 cs=0 l=1 c=0x7f3da00067c0).fault
2016-07-03 09:49:50.205788 7f3da55f8700 0 --
192.168.0.5:0/2773396901 <http://192.168.0.5:0/2773396901> >>
192.168.0.6:6789/0 <http://192.168.0.6:6789/0> pipe(0x7f3da0005500
sd=3 :0 s=1 pgs=0 cs=0 l=1 c=0x7f3da0004c40).fault
2016-07-03 09:49:52.720116 7f3da57fa700 0 --
192.168.0.5:0/2773396901 <http://192.168.0.5:0/2773396901> >>
192.168.0.7:6789/0 <http://192.168.0.7:6789/0> pipe(0x7f3da00023f0
sd=4 :0 s=1 pgs=0 cs=0 l=1 c=0x7f3da00036b0).fault
Regards - Willi
Am 03.07.16 um 09:36 schrieb Sean Redmond:
It would need to be set to 1
On 3 Jul 2016 8:17 a.m., "Willi Fehler" <willi.feh...@t-online.de
<mailto:willi.feh...@t-online.de>> wrote:
Hello David,
so in a 3 node Cluster how should I set min_size if I want
that 2 nodes could fail?
Regards - Willi
Am 28.06.16 um 13:07 schrieb David:
Hi,
This is probably the min_size on your cephfs data and/or
metadata pool. I believe the default is 2, if you have less
than 2 replicas available I/O will stop. See:
http://docs.ceph.com/docs/master/rados/operations/pools/#set-the-number-of-object-replicas
On Tue, Jun 28, 2016 at 10:23 AM, willi.feh...@t-online.de
<mailto:willi.feh...@t-online.de> <willi.feh...@t-online.de
<mailto:willi.feh...@t-online.de>> wrote:
Hello,
I'm still very new to Ceph. I've created a small test
Cluster.
ceph-node1
osd0
osd1
osd2
ceph-node2
osd3
osd4
osd5
ceph-node3
osd6
osd7
osd8
My pool for CephFS has a replication count of 3. I've
powered of 2 nodes(6 OSDs went down) and my cluster
status became critical and my ceph clients(cephfs) run
into a timeout. My data(I had only one file on my pool)
was still on one of the active OSDs. Is this the
expected behaviour that the Cluster status became
critical and my Clients run into a timeout?
Many thanks for your feedback.
Regards - Willi
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