Solaris 10 What's New

UFS Logging Enabled by Default

This feature is new in the Solaris Express 4/04 release and in the Solaris 9 9/04 release.

Logging is now enabled by default for all UFS file systems except under the following conditions:

In previous Solaris releases, you had to enable UFS logging manually.

UFS logging packages into one transaction the multiple metadata changes that compose a complete UFS operation. Sets of transactions are recorded in an on-disk log, and then applied to the actual UFS file system's metadata.

UFS logging provides two advantages:

For more information, see “What’s New in File Systems in the Solaris 10 Release?” in the System Administration Guide: Devices and File Systems. See also the mount_ufs(1M) man page.