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Sun Storage Availability Suite: How to Tune the sdbc Cache Module (Doc ID 1010558.1)

Last updated on FEBRUARY 02, 2017

Applies to:

Sun Storage Availability Suite - Version 3.0 and later
Sun Storage Instant Image (II) Software - Version 3.0 and later
Sun Storage Network Data Replicator (SNDR) - Version 3.0.1 and later
All Platforms

Goal

After installing and configuring Sun Storage Availability Suite, there may be a performance degradation. This document describes how to tune the cache driver used by Availability Suite to reduce the severity of the degradation.

Solution

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In this Document
Goal
Solution
 Describing the Cache
 Sizing the Cache
 Using the scmadm utility to determine the current cache size
 Using the scmadm utility to determine the cache hits/misses
 Using the dsstat utility to determine the cache status and cache hits
 Changing the Cache
 How to change the cache size without rebooting
 How to change cache size within a Solaris Cluster
 How to change cache size with a reboot
 How to disable cache on a live system
 Question & Answers
 

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