系统alert在主库出现下面错误 OS为linux 5.5
Stopping background process CJQ0
Sat Feb 11 03:41:07 2012
Hex dump of (file 9, block 561424) in trace file /data/[……]
February 20, 2012 backup, oracle, replication No comments structure
系统alert在主库出现下面错误 OS为linux 5.5
Stopping background process CJQ0
Sat Feb 11 03:41:07 2012
Hex dump of (file 9, block 561424) in trace file /data/[……]
February 17, 2012 system No comments
新的一年到了,DBA TEAM准备扩充一下,主要环境是ORACLE(RAC+单实例+DG)+ MYSQL 后面还要涉及到MYSQL的高可用架构实施,ORACLE方面今年也会有一些架构变更,总体而言今年是很有挑战的一年,希望挑战与激情的同学可以来试一试,同时也欢迎大牛的加入
Location[……]
January 16, 2012 linux, system 5 comments structure
Regular Pages and HugePages
This section aims to give a general picture about memory access in virtual memory systems and how pages are referenced.[……]
January 11, 2012 oracle, replication, system No comments dataguard
今天遇到一个奇怪的问题，3个logic standby 中有一个delay 查看任何日志都没有发现错误，有一个transaction在apply一个SQL，这条SQL没有任何问题，SQL所涉及到的表也没有任何问题
当时的apply情况如下：
SID USERNAME MACHINE[……]
January 1, 2012 system No comments
2012 is coming .happy new year and everything will be better and better[……]
December 16, 2011 11g, backup, oracle No comments 11g
11g Release 2 RMAN Backup Compression
Oracle 11g Release 2 introduced compression algorithm levels which can be used for compressing table data, Data[……]
November 17, 2011 system No comments life, new life
换工作了，跳到了互联网行业，乙方的工作让我受益良多，新的工作充满了挑战，GL![……]
pTools — 进程监控的一组工具
{
pTools是AIX 5.2中引进的System V UNIX 提供的一组极有用的工具，用于查看进程相关的信息。包括命令：
{
procwdx,
procfiles,
procflags,
proccred,[……]
November 2, 2011 system, unix No comments memory
很多客户可能认为svmon -S中inuse的求和结果和svmon -G中的inuse一样，但是实际是不一样的。下面的脚本可以用来统计svmon -S中的inuse的相加结果：
#!/usr/bin/ksh
svmon -S | cut -c54-62 | awk ‘/^[-sLm][……]