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what is the prerequisite for multinode cinder

asked 2013-04-05 18:49:00 -0500

shantha-kumar gravatar image

I have installed Openstack controller + compute in single node. Now I want expand my O~S cinder component alone in another node.

Kindly let me know the prerequisite for configuring the cinder node in separate server.

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answered 2013-09-13 08:15:52 -0500

Hi shausy, I encountered the same problem to yours. I don't know about the formula too, kindly let me know your resolution?

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answered 2013-04-22 13:26:55 -0500

share me your log which included that error, it's easier to detect your problem

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answered 2013-04-18 09:09:57 -0500

shantha-kumar gravatar image

Thanks for your resposne on multiback end drivers.

We have multiback end enabled and its working !!!! now we want to expand the backend to individual system !!!

It means each cinder to point only one backend!!!!

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answered 2013-04-18 09:07:52 -0500

shantha-kumar gravatar image

Thanks for your response.

Now I have removed the cinder-volumes services from node1 and setup looks like below but still im getting the "no valid host found error".

mysql and rabbit is point to controller node.

##################################

Controller node1: CInder-api cinder-scheduler

Cluster node2: Cinder-volume tgtd

cinder.conf file [DEFAULT] rootwrap_config=/etc/cinder/rootwrap.conf sql_connection = mysql://cinderUser:cinderPass@10.1.0.29/cinder api_paste_confg = /etc/cinder/api-paste.ini iscsi_helper=ietadm volume_name_template = volume-%s volume_group = cinder-volumes rabbit_host = 10.1.0.29 volumes_dir = /etc/cinder/volumes state_path = /var/lib/cinder lock_path = /var/lock/cinder verbose = True auth_strategy = keystone debug=true #osapi_volume_listen_port=5900 iscsi_ip_address=10.1.0.7

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answered 2013-04-17 15:28:46 -0500

shantha-kumar gravatar image

Thanks for your response.

So as per your setup, you have two cinder scheduler (one in controller node and other on new node).. when I serve a request from horizon how it goes to 2 schedulers and where it create the volumes?

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answered 2013-04-16 10:07:49 -0500

for me, I installed all on the storage node.

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answered 2013-04-16 09:55:16 -0500

shantha-kumar gravatar image

Thanks for your response.

install component includes cinder-api , scheduler also or only cinder volume ?

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answered 2013-04-10 06:55:19 -0500

Go ahead to install cinder component in another node. ^.^. Just remind, update correct end-point of cinder volume in keystore to new server path.

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answered 2013-04-29 06:42:35 -0500

shantha-kumar gravatar image

Thanks Khanh Nguyen, that solved my question.

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answered 2013-04-29 06:42:11 -0500

shantha-kumar gravatar image

Thanks alot Khanh Nguyen for your help throughout the debugging.

Issues was very simple, i dint have the timesync in both the nodes!!!!

That's why it could not find the second server services.

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Asked: 2013-04-05 18:49:00 -0500

Seen: 803 times

Last updated: Aug 06 '18