Apple Mac OS X Server manual Understanding Spotlight Technology, Disabling Journaling

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/dev/disk0s9 on / (local, journaled)

/dev/disk0s10 on /Volumes/OS 9.2.2 (local, journaled)

Enabling Journaling When You Erase a Disk

You can use the newfs_hfs tool to set up and enable journaling when you erase a disk.

To enable journaling when erasing a disk:

$ newfs_hfs -J -v volname device

Parameter	Description
volname	The name you want the new disk volume to have.
device	The device name of the disk.

Disabling Journaling

To disable journaling:

$ diskutil disableJournal volume

ParameterDescription

volume The volume name or device name of the volume.

Understanding Spotlight Technology

Spotlight is a desktop search technology that combines metadata-indexing with content-indexing that’s optimized for Mac OS X. Whenever a file is added, moved, deleted, or modified, the file system notifies the Spotlight engine. The Spotlight engine then updates its index, known as the Spotlight store. The Spotlight engine then updates all of the applications using Spotlight, and changes are reflected dynamically to the user.

The Spotlight store retains information that is extracted into two seperate indexes, one for metadata and the other for content. Each index is created on a per-volume basis, which means each disk or partition carries its own set of indexes for the information about that volume.

Enabling and Disabling Spotlight

By default, the value of the spotlight parameter in the /etc/hostconfig file is set to -YES-which means Spotlight is enabled on your Mac OS X Server computer.

To disable Spotlight on your server:

1Open the /etc/hostconfig file for editing as root using your favorite editor. For example:

$ sudo pico /etc/hostconfig

2Change the value of the spotlight parameter to -NO-.

You can also set the value of the spotlight parameter to -NO-as follows:

$ sudo /System/Library/ServerSetup/serversetup -setAutoStartSpotlight 0

Chapter 7 Working with Disks and Volumes