Un punto unico de encuentro para compartir el conocimiento sobre bases de datos.


Example: ROW CACHE LOCK ...

Investigate ROW CACHE LOCK when we found High "row cache lock' wait
http://it.toolbox.com/blogs/surachart/row-cache-lock-35256

Etc:
Oracle DUPLICATE Without Connection to Target Database (11gR2)
http://surachartopun.com/2009/11/duplicate-without-connection-to-target....

Surachart Opun
http://surachartopun.com

Example; Moving database file in ASM diskgroup

I wrote about moving datafile in ASM

Moving database file from one ASM diskgroup to another
http://it.toolbox.com/blogs/surachart/moving-database-file-from-one-asm-...

MOVING DATAFILE IN ASM BY ASMCMD(cp)
http://it.toolbox.com/blogs/surachart/moving-datafile-in-asm-by-asmcmdcp...

By Surachart
http://surachartopun.com

10gRAC with Solaris (IPMP)

On Solaris, IP network multipathing (IPMP) provides physical interface failure detection and transparent network access failover for a system with multiple interfaces on the same IP link.

On 10gRAC, It's a good question, How to Setup 10gRAC with Solaris (IPMP) ?

ASM Dynamic Volume Manager (ADVM) and ASM Clustered File System (ACFS)

11gR2 feature... ASM Dynamic Volume Manager (ADVM) and ASM Clustered File System (ACFS)

We can create ACFS by using asmca (link). and we can use command-lines(sql*plus, asmcmd) as well.

- Create a volume from an ASM diskgroup

Switch SELinux "Enforcing" mode to "Permissive" mode

Security-Enhanced Linux (SELinux) is a security architecture integrated into the 2.6.x kernel using the Linux Security Modules (LSM). It is a project of the United States National Security Agency (NSA) and the SELinux community. SELinux integration into Red Hat Enterprise Linux was a joint effort between the NSA and Red Hat.



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