Oracle DGHA architecture
November 1, 2013 advanced tech, Architect, network, oracle, replication No comments architecture
ION — SERVER-BASED Storage 方案
September 5, 2013 Architect, hardware, storage No comments architecture
FusionIO推出的基于共享级别的ioMemory加速方案,此文简要概述方案的一些粗略架构。ION可配选IB或者40GB以太网连接,同时支持FCoIB,FCoE,EoIB,RDMA协议。
基于FIO与HP的特殊关系,下面的图主要来自ION Accelerator on HP DL380
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How to use Flash Cache on Redhat (not OEL)
August 26, 2013 Architect, hardware, linux, system No comments 11g new feature
DGHA，Dataguard自动切换方案
August 15, 2013 Architect, oracle, replication, software No comments dataguard
发布对autoswitch over dg脚本DGHA测试,此脚本针对oracle dataguard设计使用共享存储存放redo以及controlfile从而达到了切换数据0丢失。
同时切换以后,original primary database可以无缝加入整个dg集群，从而形成了datagua[……]
YHD DBA官方BLOG上线
July 4, 2013 Architect No comments
www.yhddba.com (主站点)
www.yihaodiandba.com (备份站点 会有一天的延迟)
同时开通访问,主要记录日常的一些问题处理,以及针对互联网的数据架构想法。[……]
Database-exporter release v1.0
June 21, 2013 Architect, software No comments database migrate
Database-exporter发布 感谢wucharles,一个充满Geek精神的小伙。
1.supports export database from each other. (you need write driver by yourself,now support oracle an[......]
Advanced use of dbms_stats for extended stats of CG
June 4, 2013 Architect, hardware No comments 11g new feature
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PCIE performance test — LSI vs FusionIO vs VIRI
April 2, 2013 Architect, hardware 2 comments test
Testing three PCIE cards’s performance for all of scenes using fio
Reference:fio parameter setting[……]
Connection Speeds Compare
February 17, 2013 Architect, network No comments life
+------------+----------+-------------+------------+-------------+-------------+ |bps |B/s |network |storage |port |bu[......]
Oracle Direct NFS Performance
在Oracle 11g中引入了Direct Network File System(Oracle Direct NFS)的新特性，通过一个打包在Oracle内核中的NFS client来提高使用NFS时的性能，DNFS同样适用于RAC等高可用场景。
DIRECT NFS CLIENT OV[……]