oVirt 4.4 : Add Data Domains2021/07/28

Add Data Domains that disk images of VM or ISO images of OSs and others are stored.
This example is based on the environment like follows.

+-----------------------+          |          +-----------------------+
|   [   Admin Node   ]  |10.0.0.30 | 10.0.0.25| [    oVirt Engine   ] |
|    dlp.srv.world      +----------+----------+     ctrl.srv.world    |
|                       |          |          |                       |
+-----------------------+          |          +-----------------------+
                                   |
+-----------------------+          |          +-----------------------+
| [   Shared Storage  ] |10.0.0.35 | 10.0.0.51|  [   oVirt Node    ]  |
|     nfs.srv.world     +----------+----------+   node01.srv.world    |
|                       |                     |                       |
+-----------------------+                     +-----------------------+

[1]	Configure share for a Data Domain on NFS server. Set [/var/lib/ovirt-share/data] for it on this example.

[root@nfs ~]#

mkdir -p /var/lib/ovirt-share/data

[root@nfs ~]#

chown vdsm:kvm /var/lib/ovirt-share/data

[root@nfs ~]#

vi /etc/exports.d/ovirt-engine-data-domain.exports

# set share for Data Domain (replace for your environment)

/var/lib/ovirt-share/data    10.0.0.0/24(rw)

[root@nfs ~]#

systemctl restart nfs-server

[3]	Login to oVirt Web Admin Portal and Click [Storage] - [Domains] on the left pane.

[4]	Click [New Domain] button on the top of right pane.

[5]	Input any name for [Name] field, select [Data] for [Domain Function] field, input the share path on NFS Server for [Export Path] field. For other items, they are optional.

[6]	If succeccfully configured, new Data Domain is attached to selected [Data Center] and activated.

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