Author: Santosh Nalgonda

How to Confirm DIRECT IO is Getting Used on Solaris

I was working on a task where I had to confirm if the direct IO is in use or not. filesystem_io_option database parameter was set to “DIRECTIO” to make use of directio. Initially I was looking for same kind of memory structures in Solaris but could not find so ( bad luck :( ) and so used basic tracing using truss.First I logged into database and check the filesystem parameter ( Changed the name of the database and host :) )

Read More >

Database Migration to ASM

I was working on a task of 10g Active-Passive cluster design where I was supposed to migrate a database to ASM from conventional filesystem. So I thought of writing this blog. Here are the steps which I followed to move the database to ASM and then created a spfile in ASM diskgroup in the end.

Read More >