Sun Java System Application Server Enterprise Edition 8.1 2005Q2 High Availability Administration Guide

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### Restrictions

If NSUP cannot set the real-time priority `errno` is set to EPERM on Solaris and Linux. On Windows it issues the warning “Could not set realtime priority”. The error is written to the `ma.log` file, and the process continues without real-time priority.

Setting real-time priorities is not possible when:

- HADB is installed in Solaris 10 non-global zones

- `PRIV_PROC_LOCK_MEMORY` (allow a process to lock pages in physical memory) and/or `PRIV_PROC_PRIOCNTL` privileges are revoked in Solaris 10

- Users turn off setuid permission

- Users install the software as tar files (the non-root installation option for the Application Server)

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