PVA06PowerHA高可用-基础篇摘要.pptVIP

PowerHA 高可用 -基础篇 说明： PowerHA 与 HACMP PowerHA for AIX 概述? HA 功能介绍 HA 版本发展 7.1 Update HA 架构 HA 规划 / 安装 / 管理 HA 最佳实践 解决方案 资源 Power Your Planet PowerHA SystemMirror – 发展策略 PowerHA SystemMirror - 版本 基础客户需求: Data Center 综合客户需求: Unified HA/DR Solution Requirements HA/DR clustering for data center multi-site operations Automated role-swap operations Readily demonstrate remote recoverability compliance Solution Strategy: Unified clustering solution for data center multi-site resiliency PowerHA SystemMirror Enterprise Edition PowerHA for AIX 概述? HA 功能介绍 HA 版本发展 7.1 Update HA 架构 HA 规划 / 安装 / 管理 HA 最佳实践 解决方案 资源 市场调查:虽然硬件的可靠性在提升, 业务环境中仍会发生硬件故障引发的系统失效 Several studies place the proportion between 20% and 45% Human error, software error and planned maintenance cause the majority of service outages 宕机和低性能对于业务环境来说，不仅仅意味着经济损失，更能造成客户的流失 “Overall downtime-costs average 3.6% of annual revenue.” – Infonetics Many studies estimate average cost of downtime at over $5,000/hour Popular Web sites estimate cost of downtime at millions of dollars A 22-hour crash in June, 2003 cost eBay an estimated $5M Losses go beyond immediate sales revenue HACMP – 商业环境中的成熟技术 Mature product now in its 17th major release Averaging 40,000 licenses sold world-wide annually Built on a decade of IBM cluster leadership HACMP allows you to create highly available environments with minimal hardware. HACMP is scalable up to 32-nodes, allowing your cluster to adapt to the growing demands of your business. The optional XD feature allows your clusters to span unlimited geographic distances. HACMP – 不是万能的，下列环境不适合使用HACMP: Your environment is not secure Network security is not in place Change management procedures are not respected You do not have trained administrator Environment is prone to ‘user fiddle faddle’ Application requires manual intervention And You cannot suffer any