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Chapter 10. Upgrading from Red Hat Gluster Storage 3.0 to Red Hat Gluster Storage 3.1 in a Red Hat Enterprise Virtualization-Red Hat Gluster Storage Environment
This section describes the upgrade methods for a Red Hat Gluster Storage and Red Hat Enterprise Virtualization integrated environment. You can upgrade Red Hat Gluster Storage 3.0 to Red Hat Gluster Storage 3.1 using an ISO or
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10.1. Upgrading using an ISO 复制链接链接已复制到粘贴板!
复制链接链接已复制到粘贴板!
- Using Red Hat Enterprise Virtualization Manager, stop all the virtual machine instances.The Red Hat Gluster Storage volume on the instances will be stopped during the upgrade.
- Using Red Hat Enterprise Virtualization Manager, move the data domain of the data center to Maintenance mode.
- Using Red Hat Enterprise Virtualization Manager, stop the volume (the volume used for data domain) containing Red Hat Gluster Storage nodes in the data center.
- Using Red Hat Enterprise Virtualization Manager, move all Red Hat Gluster Storage nodes to Maintenance mode.
- Perform the ISO Upgrade as mentioned in Section 9.1.3, “Upgrading from Red Hat Gluster Storage 2.1.x to Red Hat Gluster Storage 3.1 using an ISO”.
Figure 10.1. Red Hat Gluster Storage Node
- Re-install the Red Hat Gluster Storage nodes from Red Hat Enterprise Virtualization Manager.
Note
- Re-installation for the Red Hat Gluster Storage nodes should be done from Red Hat Enterprise Virtualization Manager. The newly upgraded Red Hat Gluster Storage 3.1 nodes lose their network configuration and other configurations, such as iptables configuration, done earlier while adding the nodes to Red Hat Enterprise Virtualization Manager. Re-install the Red Hat Gluster Storage nodes to have the bootstrapping done.
- You can re-configure the Red Hat Gluster Storage nodes using the option provided under Action Items, as shown in Figure 10.2, “Red Hat Gluster Storage Node before Upgrade ”, and perform bootstrapping.
Figure 10.2. Red Hat Gluster Storage Node before Upgrade
- Perform the steps above in all Red Hat Gluster Storage nodes.
- Start the volume once all the nodes are shown in Up status in Red Hat Enterprise Virtualization Manager.
- 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, then install the suitable build of Red Hat Enterprise Virtualization Hypervisor containing the latest native client.Figure 10.3. Red Hat Gluster Storage Node after Upgrade
- Using Red Hat Enterprise Virtualization Manager, activate the data domain and start all the virtual machine instances in the data center.