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4.6. Red Hat Virtualization 4.2 Batch Update 5 (ovirt-4.2.8)

4.6.1. Bug Fix

These bugs were fixed in this release of Red Hat Virtualization:

BZ#1644970

ovirt-web-ui 1.4 uses web technologies that Microsoft Internet Explorer 11 does not support, and as a result, opening ovirt-web-ui in IE11 showed a simple white screen.

Polyfills were added to support using the newer technology, and the base HTML page now enables compatibility mode in IE11 to better support rendering the ovirt-web-ui.

As a result, the 1.4 version of ovirt-web-ui, based on ovirt-engine 4.2, now loads and has base functionality on IE11.

BZ#1646992

This fix addresses the attempt to move a disk with a damaged ancestor (e.g., the ancestor doesn't have an entry in the 'images' table), which leads to an NPE and an error. If the error persists, a possible workaround is to use the API to move the disk between storage domains. The fix documents the error in the Red Hat Virtualization Manager log.

BZ#1647025

This fix addresses listing disk profiles on a storage domain that have a Quality of Service link set where the href attribute value for the QoS link does not display for each listing. This release ensures that all QoS link values are visible.

BZ#1655659

This release ensures the correct parsing of the rhv-toossetup_x.x.x.iso file.

BZ#1658054

When removing RHVH or RHEL hosts in the Administration Portal, the Remove Host(s) confirmation window indicates that the hosts still have self-hosted engines deployed on them.
The self-hosted engine deployment status is now detected correctly.

BZ#1658514

This fix addresses a warning message while cloning a VM with an attached direct logical unit number or a shareable disk. This release ensures the cloning succeeds, informs that the task is in process, and does not display the error message.

BZ#1659096

Enforce version consistency at rpm level between the ovirt-hosted-engine-ha and the ovirt-hosted-engine-setup.

BZ#1659960

This release ensures that during Red Hat Virtualization Manager upgrades from 4.1 to 4.2.8, the network interfaces display properly on the 4.1 host with the bond defined.

4.6.2. Enhancements

This release of Red Hat Virtualization features the following enhancements:

BZ#1477599

The Administration Portal now provides an "Updating" indicator while network setup takes place on a host, until the setup completes.

BZ#1630861

Neutron from Red Hat OpenStack Platform 13 configured to use Open Virtual Network can be used as an external network provider on Red Hat Virtualization 4.2.8 with one limitation.

If a VM with a vNIC on an external network provided by Red Hat OpenStack Platform 13 Neutron with OVN Modular Layer 2 plugin migrates to another host, the port status displays as ‘down’ despite the port working properly.

BZ#1638746

This release adds the support of Windows clustering for iSCSI based direct attached logical unit numbers.

BZ#1639460

This release supports a new WARN message in the Red Hat Virtualization Manager log on startup if overlapping ranges are found within a MAC pool or between MAC pools. Each warning details the outcome as applicable.

BZ#1648624

This release supports Neutron from Red Hat OpenStack Platform 13 configured to use OpenDaylight as an external network provider on RHV 4.2.z with the same port status limitation described in BZ#1630861.

BZ#1651649

This release allows the number of I/O threads to be set in the Administration Portal VM dialog. This enhancement complements the existing REST API to set the number of I/O threads, allowing users the option to use either the REST API or the Administration Portal to set the number of I/O threads.

4.6.3. Rebase: Bug Fixes and Enhancements

These items are rebases of bug fixes and enhancements included in this release of Red Hat Virtualization:

BZ#1662923

Previous Red Hat Virtualization installations of 3.6 ELS and 4.1 introduced "Intel Haswell Family-IBRS" Cluster CPU type for Meltdown/Spectre mitigations. Red Hat Virtualization 4.2 refers to this CPU type as "Intel Haswell IBRS Family." This release updates the CPU type name and the previous name updates automatically on upgrade.

4.6.4. Release Notes

This section outlines important details about the release, including recommended practices and notable changes to Red Hat Virtualization. You must take this information into account to ensure the best possible outcomes for your deployment.

BZ#1651227

Ansible 2.7.2 or higher is required to run oVirt Ansible roles.

BZ#1657878

Red Hat Virtualization Manager now requires JBoss Enterprise Application Platform 7.2.0.

BZ#1659650

Red Hat Virtualization 4.3 no longer supports the 3.6 and 4.0 data centers and cluster levels. This fix adds a service that runs weekly to evaluate existing data centers and raises an alert to audit the inability to upgrade to 4.3 if the data center is compatible with either versions 3.6, 4.0, or both versions.

4.6.5. Deprecated Functionality

The items in this section are either no longer supported, or will no longer be supported in a future release.

BZ#1649817

With this update, Cluster CPU types that only partially mitigate the Spectre and Meltdown vulnerabilities are deprecated, and support for them will be removed in Red Hat Virtualization 4.3. In the Red Hat Virtualization Manager, this encompasses CPU types that contain "IBRS" and "IBPB" without "SSBD". The alternative is to use the equivalent SSBD Cluster CPU type.

To see and set the CPU Type in use:

1. Log in to the Administration Portal.
2. Click Compute > Clusters.
3. Select a cluster and click Edit.
4. In the General tab, use the CPU Type dropdown.