When you enter the ewfmgr [boot command] syntax, use the following commands in the boot command variable of the command line:
●-all
Displays information about all protected volumes and performs a command, such as disable, enable, and commit, on each volume, if specified.
●-commit
Commits all current level data in the overlay to the protected volume, and resets the current overlay value to 1. You can combine
●
Disables the overlay on the specified protected volume.
●
Enables the EWF so that data written to the protected media is cached in the overlays. The current overlay level becomes 1 as soon as EWF is started, and a new overlay is created at level 1.
●
Commits data in the overlay upon shutdown and disables EWF after the system reboots.
Using the Enhanced Write Filter configuration interface
In addition to the DOS
To access the EWF interface, follow these steps:
1.Log on as an administrator.
2.Select Start > Control Panel.
3.Select HP WriteFilter Configuration.
The EWF interface includes the following buttons:
●Enable/Disable EWF
Enables the Enhanced Write Filter so that data written to the protected media is cached in the overlays. Disables the overlay on the specified protected volume.
●Overlay Configuration
Displays the overlay information and is a combination of the information supplied when executing ewfmgr.exe c:
●Clear Boot Command
Clears the boot command from the DOS prompt.
●Commit Data to Volume
Commits all
14 Chapter 2 HP Write Filters