On 07/10/2013 07:19 PM, Zhang, Hongyi wrote:
Hi,
I started to learn the oVirt by following the oVirt Quick Start Guide.
I used one server as the ovirt.engine, and another server as the ovirt.host. Both servers run Fedora 18.
After executing the command “engine-setup” in the ovirt.engine, I can get into the admin portal to start the configuration of host, storage, etc. Here was what I am doing:
1.In the Default data center, I clicked the Guide Me icon. The first thing is to configure the host. After waiting for 4-5 minutes, I saw the host ovirt.host is displayed under the Host tab with the Up status.
2.On the ovirt.engine server, I did the following before creating the storage:
mkdir –p /mnt/data
chown –R 36:36 /mnt/data
Add the following line to /etc/sysconfig/nfs:
NFS4_SUPPORT=”no”
Add the following line to /etc/exports:
/nmt/data *(rw,sync,no_subtree_check,all_squash,anonuid=36,anongid=36)
systemctl restart nfs-server.service
3.Back to the Default data center, clicked the Guide Me icon to start the configuration of new storage.
4.On the New Storage dialog, set Name field to be NFS-Share, and set the Export Path field to be ovirt.engine:/mnt/data. Then click OK
After couple of minutes, I saw the error window popped up: Error: Cannot add Storage. Internal error, Storage Connection doesn't exist.
From the /var/log/ ovirt-engine/engine.log, I can see:
2013-07-10 11:37:51,300 INFO [org.ovirt.engine.core.vdsbroker.vdsbroker.ConnectStorageServerVDSCommand] (ajp--127.0.0.1-8702-1) [41c282da] FINISH, ConnectStorageServerVDSCommand, return: {00000000-0000-0000-0000-000000000000=100}, log id: 1bca7819
2013-07-10 11:37:51,303 ERROR [org.ovirt.engine.core.bll.storage.NFSStorageHelper] (ajp--127.0.0.1-8702-1) [41c282da] The connection with details 128.224.147.229:/mnt/data failed because of error code 100 and error message is: generalexception
2013-07-10 11:37:51,382 WARN [org.ovirt.engine.core.bll.storage.AddNFSStorageDomainCommand] (ajp--127.0.0.1-8702-6) [2612bf14] CanDoAction of action AddNFSStorageDomain failed. Reasons:VAR__TYPE__STORAGE__DOMAIN,VAR__ACTION__ADD,ACTION_TYPE_FAILED_STORAGE_CONNECTION_NOT_EXIST
2013-07-10 11:37:51,483 INFO [org.ovirt.engine.core.bll.storage.RemoveStorageServerConnectionCommand] (ajp--127.0.0.1-8702-1) [2bd59836] Running command: RemoveStorageServerConnectionCommand internal: false. Entities affected : ID: aaa00000-0000-0000-0000-123456789aaa Type: System
2013-07-10 11:37:51,489 INFO [org.ovirt.engine.core.vdsbroker.vdsbroker.DisconnectStorageServerVDSCommand] (ajp--127.0.0.1-8702-1) [2bd59836] START, DisconnectStorageServerVDSCommand(HostName = ovirt.node, HostId = 8e47a267-98a9-4184-a92e-26587adae6c4, storagePoolId = 00000000-0000-0000-0000-000000000000, storageType = NFS, connectionList = [{ id: null, connection: 128.224.147.229:/mnt/data, iqn: null, vfsType: null, mountOptions: null, nfsVersion: null, nfsRetrans: null, nfsTimeo: null };]), log id: 2f9800d
Please let me know what I was doing wrong.
Thanks,
Hongyi
P.S. If I create the NFS domain in the ovirt.host side (i.e., Export Path is ovirt.host:/mnt/data), then everything is okay. Not sure why failed on the ovirt.engine side.
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vdsm log from the failure to create the storage domain?