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红帽企业级Linux 6.2 正式版发布

时间:2011-12-06 23:34:41  来源:  作者:

红帽企业级Linux 6.2 正式版发布,这是 6.0 系列的第三个 Service Pack 版本。可从 RedHat Network 中获取。

Red Hat领导着Linux的开发、部署和经营,从嵌入式设备到安全网页服务器,它都是用开源软件作为Internet基础设施解决方案的领头羊。Red Hat由有远见的企业家Bob Young和Marc Ewing创建于1994年,它以源码开发作为营业模型的基础。它也代表了软件开发行业的一次根本转变。软件的原始代码对所有人都可以获得,使用该软件的 开发人员可以自由地对其作改进。其结果是迅速的革新。Red Hat解决方案包括Red Hat Linux、开发人员和嵌入式技术,以及培训、管理和技术支持。这份开源革新通过称之为Red Hat Network的Internet平台传递给客户们。Red Hat的总部设在美国北卡罗莱纳州首府罗利。

Today Red Hat announces the general availability of Red Hat Enterprise Linux 6.2, which delivers to customers a second wave of feature enhancements and demonstrates the continued value that Red Hat delivers as part of the Red Hat Enterprise Linux 6 lifecycle.

 

Red Hat Enterprise Linux 6.2 delivers significant improvements in virtualization, resource management and high availability, and offers new features in storage and file system performance and identity management. The key benefits for organizations employing Red Hat Enterprise Linux 6.2 are higher levels of efficiency realized through resource management and performance optimization, along with enhanced business agility through additional security and flexibility for virtualized and clustered deployments.

Specifically, Red Hat Enterprise Linux 6.2:

* provides simplified management tools for storage, clusters, filesystems, and virtualized resources including capabilities for resource management, SLAs, and user identity; * improves performance out of the box for virtualized guests, storage, networked filesystems, and clusters; * delivers additional scalability across file systems and virtualized resources; and; * achieves critical security certifications required by large enterprises and government agencies.

 

These features and enhancements highlight Red Hat Enterprise Linux advantages as an operating system platform for the next generation enterprise.

 

Although there are dozens of enhancements and new features for Red Hat Enterprise Linux 6 being introduced with the 6.2 release, below are several notable ones.

Virtualization Optimizations

Workload consolidation demands doing everything possible to reduce the overhead costs of CPU consumption in hosting virtual guests. Red Hat Enterprise Linux 6.2 includes several networking optimizations that can reduce data copies and reduce context switching. Another initiative is to provide similar diagnostic capabilities as bare-metal for virtualized guests in pre-boot environments and for system backtracing capabilities. Further usability enhancements are included making it easier to dedicate both CPU and memory resources for performance optimization of high priority virtualized guests.

Resource Management

Red Hat Enterprise Linux 6.2 provides additional capabilities to manage system resources. For service providers or internal IT organization who deliver applications or hosted services via multi-tenant environments, maximums can be set for CPU time associated with a given application, business process or a virtual machine. This allows for more efficient management of SLAs and enables the ability to implement service priorities, similar to those associated with network Quality of Service (QoS).

High Availability

When an enterprise deploys its applications to run in a Red Hat Enterprise Linux 6.2 guest hosted by VMware, the container can now be configured for High Availability (HA). This also includes full support for use of GFS2 shared storage file system in the environment. The result is additional deployment flexibility for those customer who require HA within a portion of their virtualized environment, as well as full support for Red Hat Enterprise Linux on the VMware hypervisor.

Storage and File System Performance

Red Hat Enterprise Linux 6.2 adds the capability for full support of iSCSI extension for RDMA. Now, the benefits of low latency and high throughput through a standard SAN implementation based on 10Gb Ethernet are available to even the most demanding storage environments. This allows developers to opt out of expensive Infiniband hardware or other dedicated interconnect fabrics. Other enhancements around file system (delayed meta data logging, asynchronous and parallel file system writes) and clustering (for large Samba deployments) also drive performance benefits.

Identity Management

Identity Management in Red Hat Enterprise Linux 6.2 provides the administrative tools to quickly install, configure and manage server authentication and authorization in Linux/Unix enterprise environments, while still providing the option to interoperate with Microsoft Active Directory. This enables enterprises to manage Linux infrastructure easily and cost-effectively. Centralized identity management and host-based access control can reduce administrative overhead, streamlines provisioning and improves security.

Performance

Performance is key to all customers and Red Hat Enterprise Linux 6.2 continues to put an emphasis on accelerating I/O with features such as network traffic steering. As a result, numerous filesystem enhancements that reduce read-write times and boosts overall system utilization are delivered, and network throughput is improved by as much as 30 percent, in performance tests conducted by Red Hat.

 

Enterprises can confidently migrate to the latest multi-core technology with Red Hat Enterprise Linux 6. On the latest two-tier SAP SD standard application benchmark, Red Hat Enterprise Linux 6 achieved more than 22,000 SAP SD benchmark users on a single system. On this same benchmark, the HP DL980 system running Red Hat Enterprise Linux 6 fully utilized all 80 cores and 160 threads in the 8-processor system running MaxDB 7.8 and the SAP enhancement package 4 for the SAP ERP 6.0 application. This is the largest Linux result submitted to SAP to-date. Results as of December 2, 2011, certification number 2011052.

 

We look forward to our customer feedback, and to the continued adoption of Red Hat Enterprise Linux 6, the foundation for the next generation enterprise.

 

For more information about what’s new in Red Hat Enterprise Linux 6.2, please visit: http://www.redhat.com/rhel/server/whats_new

 

For a detailed overview of the technical features and benefits, see this document:

http://www.redhat.com/f/pdf/RHEL_6_2_features_benefits.pdf

To see the Red Hat Enterprise Linux 6.2 press release look here:
http://www.redhat.com/about/news/prarchive/2011/first-anniversary-of-red-hat-enterprise-linux-6

For overall information about Red Hat Enterprise Linux 6 please visit: http://www.redhat.com/rhel

Sincerely,

The Red Hat Enterprise Linux team
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