Assume hibernation file 'hiberfil.sys' is always on the boot volume?



As an IT administrator, it is important to be aware of the implications of the hibernation file, Hiberfil.sys, being stored on the boot volume. The hibernation file is used by Windows to store the contents of the computer's RAM on the hard drive so that the system can resume from hibernation quickly. It is important to understand the potential risks and consequences of storing the hibernation file on the boot volume.

When Hiberfil.sys is stored on the boot volume, it can take up a considerable amount of disk space. Depending on the amount of RAM installed in the system, the hibernation file can be many gigabytes in size. This can significantly reduce the amount of available disk space, leading to performance issues. Moreover, if the boot volume runs out of space, the system may not be able to resume from hibernation. If the hibernation file is located on the system partition, it can also be difficult to back up the system partition, as it includes the hibernation file.

The hibernation file should not be stored on the system partition when the computer is used in a multi-boot environment. This is because the hibernation file is specific to the Windows installation, and thus, if the hibernation file is stored on the system partition, it will be shared by multiple operating systems. This means that the hibernation file will be overwritten when the other operating systems are booted, which can lead to the system not resuming correctly from hibernation.

It is also important to consider the security implications of having the hibernation file on the boot volume. When the system is in hibernation, the contents of RAM are stored in the hibernation file. If the boot volume is compromised, the contents of RAM can be accessed, which may include sensitive information.

Therefore, when configuring a system, it is important to consider the implications of having the hibernation file stored on the boot volume. In general, it is recommended to store the hibernation file on a different volume. This ensures that the hibernation file is not shared between multiple operating systems and will not take up a significant amount of disk space. Additionally, this reduces the risk of sensitive data being accessed if the boot volume is compromised.

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