10.2. Upgrading using yum

Using Red Hat Enterprise Virtualization Manager, stop all virtual machine instances in the data center.
Using Red Hat Enterprise Virtualization Manager, move the data domain backed by gluster volume to Maintenance mode.
Using Red Hat Enterprise Virtualization Manager, move all Red Hat Gluster Storage nodes to Maintenance mode.
Perform yum update as mentioned in Section 9.1.1, “Upgrading from Red Hat Gluster Storage 2.1.x to Red Hat Gluster Storage 3.1 for Systems Subscribed to Red Hat Network”.
Once the Red Hat Gluster Storage nodes are rebooted and up, Activate them using Red Hat Enterprise Virtualization Manager.
Note
Re-installation of Red Hat Gluster Storage nodes is required, as the network configurations and bootstrapping configurations done prior to upgrade are preserved, unlike ISO upgrade.
Using Red Hat Enterprise Virtualization Manager, start the volume.
Upgrade the native client bits for Red Hat Enterprise Linux 6 or Red Hat Enterprise Linux 7, based on the Red Hat Enterprise Linux server hypervisor used.
Note
If Red Hat Enterprise Virtualization Hypervisor is used as hypervisor, reinstall Red Hat Enterprise Virtualization Hypervisor containing the latest version of Red Hat Gluster Storage native client.
Activate the data domain and start all the virtual machine instances.

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