[El-errata] Oracle Linux 7 Update 4 Release for x86_64

[Errata Announcements for Oracle Linux]

Oracle is pleased to announce the general availability of Oracle Linux 7 Update 4

Oracle Linux 7 Update 4 ships with the following kernel packages:

      kernel-3.10.0-693.el7
            Red Hat Compatible Kernel (RHCK).

      kernel-uek-4.1.12-94.3.9.el7uek
            Unbreakable Enterprise Kernel Release 4 update 4 (UEK R4u4), which is the default kernel.


Features that are currently under technology preview when using UEK R4u4 are described inOracle Linux Release Notes for Unbreakable Enterprise Kernel Release 4 
Update 4 <http://docs.oracle.com/cd/E52668_01/E86280/html/index.html>

For the RHCK, the following features are currently under technology preview:

Systemd:

      * Importd features for container image imports and exports

File Systems:

      * DAX (Direct Access) for direct persistent memory mapping from an application. This is under technical preview for the ext4 and XFS file systems.

      * Block and object storage layouts for parallel NFS (pNFS).

      * SCSI layout for parallel NFS (pNFS), including support for both client and server configurations.

      * OverlayFS remains in technical preview.

Kernel:

      * Heterogeneous memory management (HMM).

      * User namespace (security features for isolating Linux containers from the host).

      * 10GbE RoCE Express for RDMA.

      * ocrdma and libocrdma packages for RDMA over RoCE.

      * No-IOMMU mode virtual I/O feature.

Networking:

      * Support for a Cisco proprietary User Space Network Interface Controller in UCM servers provided in the libusnic_verbs driver

      * Cisco VIC InfiniBand kernel driver that provides similar functionality to RDMA on proprietary Cisco architectures.

      * Trusted Network Connect support.

      * Single-Root I/O virtualization (SR-IOV) in the qlcnic driver.

      * nftables and libnftnl network filtering and classification functionality

Storage:

      * Multi-queue I/O scheduling for SCSI (scsi-mq). This functionality is disabled by default.

      * The plug-in for the libStorageMgmt API used for storage array management. The libStorageMgmt API is now fully supported, but the plug-in is under technology preview.

      * DIF/DIX for data integrity checking on SCSI devices, other than certain, specified native HBA and storage hardware. Oracle supports DIF/DIX with UEK R4.

For more information, please refer to the online release notes available at:
https://docs.oracle.com/cd/E52668_01/E88149/html/index.html



Software Accessibility

All packages are available on theUnbreakable Linux Network <http://linux.oracle.com>  .

Install-able binary and source ISO images will available onOracle Software Delivery Cloud <http://edelivery.oracle.com/linux>   shortly.

If ISO images are needed before they are available on Oracle Software Delivery Cloud, please request these via a My Oracle Support service request.


Thank You

Sincerely.

The Oracle Linux Team


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