Oracle

How to Rescan new LUN’s added in Linux, HP-UX, Aix, Solaris ?

HP-UX 1. Rescan the devices: ioscan -fnC <disk|tape> 2. Generate device files:  insf -e 3. Verify the new devices:  ioscan -funC <disk|tape> AIX 1. Rescan the devices ):  cfgmgr -vl fcsx Where x is FC adapter number 2. Verify the new devices:  lsdev -Cc <disk|tape> Linux The rescan in Linux is HBA-specific. For QLogic: echo …

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Configuring X-Server Display For Oracle Solaris 11

What is X Window ? The X Window System, commonly referred to as X, is a network-based graphical window system. The X Window System uses a client-server architecture. It enables multiple programs to share and access a common set of hardware. This hardware includes both input and display devices such as mouse, keyboards, video adapters, …

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Tuning the Unix Operating System and Platform

This chapter discusses tuning the operating system (OS) for optimum performance. It discusses the following topics: Server Scaling Solaris 10 Platform-Specific Tuning Information Tuning for the Solaris OS Tuning for Solaris on x86 Tuning for Linux platforms Tuning UltraSPARC CMT-Based Systems Server Scaling This section provides recommendations for optimal performance scaling server for the following …

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Operating System Tuning for Oracle Database

This chapter describes how to tune Oracle Database. It contains the following sections: Importance of Tuning Operating System Tools Tuning Memory Management Tuning Disk I/O Monitoring Disk Performance System Global Area Tuning the Operating System Buffer Cache 1.1 Importance of Tuning Oracle Database is a highly optimizable software product. Frequent tuning optimizes system performance and …

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Tunning AIX for Oracle Database

Memory and Paging Disk I/O Issues CPU Scheduling and Process Priorities Oracle Real Application Clusters Information Setting the AIXTHREAD_SCOPE Environment Variable Memory and Paging Memory contention occurs when processes require more memory than is available. To cope with the shortage, the system pages programs and data between memory and disks. Controlling Buffer-Cache Paging Activity Excessive …

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