Installing and Configuring OpenStack in Oracle® Solaris 11.2

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Updated: April 2015

Configuring the Compute Node

You install VM instances in the compute node as well as the nova-compute daemon. The VM instances provide a wide range of services such as web applications and analytics. You can configure as many compute nodes as necessary for your cloud.

To better manage memory use between ZFS and applications in Oracle Solaris 11, set the usr_reserve_hint_pct parameter on the node, as shown in the following example:

# echo "set user_reserve_hint_pct=80" >>/etc/system.d/site:kernel-zones-reserve
# reboot

where site can refer to your company.

You should set this parameter on the different OpenStack nodes as well.

For more information about this parameter, log in to your MOS account in and review Document 1663862.1, Memory Management Between ZFS and Applications in Oracle Solaris 11.2.