July 2015 archive

We have seen in Create ASM Disk Groups and Implement ASM failure groups how to configure ASM for shared disks, but in my opinion, this topics wants you to go further in the disk level. It wants you to know how to: create a disk partition in a shared disk; oracleasm createdisk (one node) / oracleasm scandisks (other nodes) …

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So, this reminds me the first chapter. But, one thing that I've only noticed now is.. in the first skillset, it starts with "Create the Database". There is no "Install Oracle Database software" there. ^^ Here, what I recommend you to practice is: Install Oracle DB using GUI (preferable, of course). Install Oracle DB using CLI …

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Configure and administer Grid Infrastructure can be done using the 2 main provided tools: "crsctl" and "srvctl". srvctl start/stop -> Start/Stop the cluster services. srvctl realocate -> Move some service, like the scan listener. srvctl status -> Check if service is running. srvctl config -> Display configuration. srvctl modify -> Change configuration. crsctl start/stop crs -> Start/Stop everything. …

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Failure groups is a way to implement some kind of RAID protection in your diskgroups. Its very useful when you want to guarantee an extra protection and turn on hot swap of your disks without an extra cost of an storage system. Honestly, every company that I've worked avoided this protection as we had this …

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Creating ASM disk groups is a easy task. You have several ways of doing it, like: asmca (Preferable) sqlplus asmcmd Enterprise Manager (Yes, don't forget him!) Practice all of them. Path to Documentation: Automatic Storage Management Administrator's Guide -> 4 Administering Oracle ASM Disk Groups Automatic Storage Management Administrator's Guide -> 11 Oracle ASM Configuration …

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