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Hibernation and EWF

You can configure your run-time image to boot from a hibernation file with Enhanced Write Filter (EWF) enabled. The following list shows the benefits of booting from a hibernation file:

  • Quicker boot time
  • Ability to define the state of a system by booting with specific applications and services running
  • Support for Hibernate Once/Resume Many

Because EWF starts after the hibernation file is loaded, you can successfully boot from, and save to, a hibernation file.

Note   Use of EWF with hibernation is supported only in RAM modes.

In This Section

Simplified HORM Setup
Describes the features added to EWF to simplifiy HORM setup.
How to Configure a Hibernate Once/Resume Many Run-Time Image
Describes the process of configuring an EWF-enabled run-time image to boot from a hibernation file.
Enabling a Hibernate Once/Resume Many Environment with EWF
Describes how to set up a Hibernate Once/Resume Many environment with EWF.
Design Considerations for Using EWF with Hibernation
Describes design considerations to make before setting up hibernation on an EWF-enabled run-time image.
Disabling EWF in a Hibernate Once/Resume Many Environment
Describes how to disable EWF on systems that are configured for Hibernate Once/Resume Many.
Applying Updates to a System That Uses Hibernate Once/Resume Many
Describes how to update a run-time image configured for Hibernate Once/Resume Many.
Creating an Unprotected Volume in a Hibernate Once/Resume Many Environment
Describes how to create an unprotected partition by programmatically dismounting the partition before creating the hibernation file.

Related Sections

EWF Performance Considerations | Enhanced Write Filter


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