SuperCluster - ssctuner reference document (Doc ID 1903388.1)

Last updated on JULY 10, 2022

Applies to:

SPARC SuperCluster T4-4 Full Rack - Version All Versions to All Versions [Release All Releases]
Oracle SuperCluster M7 Hardware - Version All Versions to All Versions [Release All Releases]
Oracle SuperCluster M8 Hardware - Version All Versions to All Versions [Release All Releases]
Oracle SuperCluster Specific Software - Version 1.x to 3.x [Release 1.0 to 3.0]
Oracle SuperCluster T5-8 Full Rack - Version All Versions to All Versions [Release All Releases]
Oracle Solaris on SPARC (64-bit)

Purpose

Describe the purpose and functionality of the ssctuner service on Oracle SuperCluster systems

Scope

Covers the version of ssctuner starting with the JAN 2014 Quarterly Full Stack Download Patch (QFSDP)

Details

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In this Document

How to install it

How to run it "live" making recommended tuning changes

How to change or disable components of what ssctuner does/checks

To make critical messages go to your email address, for example

To change disk usage threshold warning level to 80%

To limit disk usage threshold checking to only a specific list of zpools

To exclude a specific list of zpools from disk usage threshold checking

To enable iSCSI LUN throttling on the ZFS appliance

To have ssctuner perform a compliance (1M) run after each reboot

To enable thread priority changing for non-exa Oracle DB domains

To enable zpool check/repair of vdisk zpools not generated by the SuperCluster installer

To exclude NFS mounts from warning mechanism

To include NFS mounts in warning mechanism (overrides exclude )

To change the amount of time ssctuner will suppress repeat warnings for

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