My Oracle Support Banner

Setting maxphys to a High Value Can Cause Solaris System Hangs (Doc ID 1930838.1)

Last updated on OCTOBER 03, 2022

Applies to:

Solaris Operating System - Version 8 6/00 U1 and later
Oracle Solaris on SPARC (64-bit)


Add the following to /etc/system to set maxphys to 16mb:

set maxphys=16777216

Reboot the system to enable the maxphys value

Use newfs to create a ufs filesystem on a Logical Volume
Manager device, built on SAS or SATA disks, using the
mpt driver:


To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.