Thanks Gurjar.
Have loaded the rbd module, but got no luck.
what dmesg shows,
[119192.384770] libceph: mon0 172.17.6.176:6789 feature set mismatch, my
2 < server's 42040002, missing 42040000
[119192.388744] libceph: mon0 172.17.6.176:6789 missing required
protocol features
[119202.400782] libceph: mon0 172.17.6.176:6789 feature set mismatch, my
2 < server's 42040002, missing 42040000
[119202.404756] libceph: mon0 172.17.6.176:6789 missing required
protocol features
[119212.416758] libceph: mon0 172.17.6.176:6789 feature set mismatch, my
2 < server's 42040002, missing 42040000
[119212.420732] libceph: mon0 172.17.6.176:6789 missing required
protocol features
[119222.432783] libceph: mon0 172.17.6.176:6789 feature set mismatch, my
2 < server's 42040002, missing 42040000
[119222.436756] libceph: mon0 172.17.6.176:6789 missing required
protocol features
[119232.448780] libceph: mon0 172.17.6.176:6789 feature set mismatch, my
2 < server's 42040002, missing 42040000
[119232.452754] libceph: mon0 172.17.6.176:6789 missing required
protocol features
Thx.
On 2015/10/29 星期四 18:11, Gurjar, Unmesh wrote:
Hi,
You might want to confirm if the rbd module is loaded (sudo modprobe rbd) on the ceph-client node and give it a retry.
If you still encounter the issue, post back the snippet of error logs in syslog or dmesg to take it forward.
Regards,
Unmesh G.
-----Original Message-----
From: ceph-users [mailto:ceph-users-bounces@xxxxxxxxxxxxxx] On Behalf Of
Wah Peng
Sent: Thursday, October 29, 2015 12:44 PM
To: ceph-users@xxxxxxxxxxxxxx
Subject: Input/output error
hello,
do you know why this happens when I did it following the official
ducumentation.
$ sudo rbd map foo --name client.admin
rbd: add failed: (5) Input/output error
the OS kernel,
$ uname -a
Linux ceph.yygamedev.com 3.2.0-23-generic #36-Ubuntu SMP Tue Apr 10
20:39:51 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux
I tried this way,
ceph osd getcrushmap -o /tmp/crush
crushtool -i /tmp/crush --set-chooseleaf_vary_r 0 -o /tmp/crush.new
ceph osd setcrushmap -i /tmp/crush.new
but got no luck.
my cluster status seems OK,
$ ceph health
HEALTH_OK
$ ceph osd tree
# id weight type name up/down reweight
-1 0.24 root default
-2 0.24 host ceph2
0 0.07999 osd.0 up 1
1 0.07999 osd.1 up 1
2 0.07999 osd.2 up 1
Thanks in advance.
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