Re: Ceph Radosgw multi zone data replication failure

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Hi Vickey (and all)

It looks like this issue was introduced as part of the 1.2.1 release.

I just finished getting 1.2.2 out (try upgrading please). You should no longer see that
error.

Hope that helps!

-Alfredo

----- Original Message -----
From: "Craig Lewis" <clewis@xxxxxxxxxxxxxxxxxx>
To: "Vickey Singh" <vickey.singh22693@xxxxxxxxx>
Cc: ceph-users@xxxxxxxxxxxxxx
Sent: Monday, April 27, 2015 4:23:52 PM
Subject: Re:  Ceph Radosgw multi zone data replication failure

> [root@us-east-1 ceph] # ceph -s --name client.radosgw.us-east-1 


> [root@us-east-1 ceph]# ceph -s --name client.radosgw.us-west-1 

Are you trying to setup two zones on one cluster? That's possible, but you'll also want to spend some time on your CRUSH map making sure that the two zones are as independent as possible (no shared disks, etc). 

Are you using Civetweb or Apache + FastCGI? 

Can you include the output (from both clusters): 
radosgw-admin --name=client.radosgw.us-east-1 region get 
radosgw-admin --name=client.radosgw.us-east-1 zone get 

Double check that both system users exist in both clusters, with the same secret. 




On Sun, Apr 26, 2015 at 8:01 AM, Vickey Singh < vickey.singh22693@xxxxxxxxx > wrote: 





Hello Geeks 




I am trying to setup Ceph Radosgw multi site data replication using official documentation http://ceph.com/docs/master/radosgw/federated-config/#multi-site-data-replication 




Everything seems to work except radosgw-agent sync , Request you to please check the below outputs and help me in any possible way. 




Environment : 




CentOS 7.0.1406 

Ceph Versino 0.87.1 

Rados Gateway configured using Civetweb 







Radosgw zone list : Works nicely 





[root@us-east-1 ceph]# radosgw-admin zone list --name client.radosgw.us-east-1 

{ "zones": [ 

"us-west", 

"us-east"]} 

[root@us-east-1 ceph]# 




Curl request to master zone : Works nicely 





[root@us-east-1 ceph]# curl http://us-east-1.crosslogic.com:7480 

<?xml version="1.0" encoding="UTF-8"?><ListAllMyBucketsResult xmlns=" http://s3.amazonaws.com/doc/2006-03-01/ "><Owner><ID>anonymous</ID><DisplayName></DisplayName></Owner><Buckets></Buckets></ListAllMyBucketsResult> 

[root@us-east-1 ceph]# 




Curl request to secondary zone : Works nicely 




[root@us-east-1 ceph]# curl http://us-west-1.crosslogic.com:7480 

<?xml version="1.0" encoding="UTF-8"?><ListAllMyBucketsResult xmlns=" http://s3.amazonaws.com/doc/2006-03-01/ "><Owner><ID>anonymous</ID><DisplayName></DisplayName></Owner><Buckets></Buckets></ListAllMyBucketsResult> 

[root@us-east-1 ceph]# 




Rados Gateway agent configuration file : Seems correct, no TYPO errors 





[root@us-east-1 ceph] # cat cluster-data-sync.conf 

src_access_key: M7QAKDH8CYGTK86CG93U 

src_secret_key: 0xQR6PINk23W\/GYrWJ14aF+1stG56M6xMkqkdloO 

destination: http://us-west-1.crosslogic.com:7480 

dest_access_key: ZQ32ES1WAWPG05YMZ7T7 

dest_secret_key: INvk8AkrZRsejLEL34yRpMLmOqydt8ncOXy4RHCM 

log_file: /var/log/radosgw/radosgw-sync-us-east-west.log 

[root@us-east-1 ceph]# 




Rados Gateway agent SYNC : Fails , however it can fetch region map so i think src and dest KEYS are correct. But don't know why it fails on AttributeError 





[root@us-east-1 ceph]# radosgw-agent -c cluster-data-sync.conf 


region map is: {u'us': [u'us-west', u'us-east']} 

Traceback (most recent call last): 

File "/usr/bin/radosgw-agent", line 21, in <module> 

sys.exit(main()) 

File "/usr/lib/python2.7/site-packages/radosgw_agent/cli.py", line 275, in main 

except client.ClientException as e: 

AttributeError: 'module' object has no attribute 'ClientException' 

[root@us-east-1 ceph]# 




Can query to Ceph cluster using us-east-1 ID 




[root@us-east-1 ceph] # ceph -s --name client.radosgw.us-east-1 

cluster 9609b429-eee2-4e23-af31-28a24fcf5cbc 

health HEALTH_OK 

monmap e3: 3 mons at {ceph-node1= 192.168.1.101:6789/0,ceph-node2=192.168.1.102:6789/0,ceph-node3=192.168.1.103:6789/0 }, election epoch 448, quorum 0,1,2 ceph-node1,ceph-node2,ceph-node3 

osdmap e1063: 9 osds: 9 up, 9 in 

pgmap v8473: 1500 pgs, 43 pools, 374 MB data, 2852 objects 

1193 MB used, 133 GB / 134 GB avail 

1500 active+clean 

[root@us-east-1 ceph]# 




Can query to Ceph cluster using us-west-1 ID 





[root@us-east-1 ceph]# ceph -s --name client.radosgw.us-west-1 

cluster 9609b429-eee2-4e23-af31-28a24fcf5cbc 

health HEALTH_OK 

monmap e3: 3 mons at {ceph-node1= 192.168.1.101:6789/0,ceph-node2=192.168.1.102:6789/0,ceph-node3=192.168.1.103:6789/0 }, election epoch 448, quorum 0,1,2 ceph-node1,ceph-node2,ceph-node3 

osdmap e1063: 9 osds: 9 up, 9 in 

pgmap v8473: 1500 pgs, 43 pools, 374 MB data, 2852 objects 

1193 MB used, 133 GB / 134 GB avail 

1500 active+clean 

[root@us-east-1 ceph]# 




Hope these packages are correct 





[root@us-east-1 ceph]# rpm -qa | egrep -i "ceph|radosgw" 

libcephfs1-0.87.1-0.el7.centos.x86_64 

ceph-common-0.87.1-0.el7.centos.x86_64 

python-ceph-0.87.1-0.el7.centos.x86_64 

ceph-radosgw-0.87.1-0.el7.centos.x86_64 

ceph-release-1-0.el7.noarch 

ceph-0.87.1-0.el7.centos.x86_64 

radosgw-agent-1.2.1-0.el7.centos.noarch 

[root@us-east-1 ceph]# 







Regards 

VS 


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