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Preparing the boot disk partitions

215

Miscellaneous Planning and Procedures

Preparing the boot disk partitions

Definitions

The definitions of the GPT-type partitions are:

◆ Msres: The Microsoft reserved partition for feature support that is

used to convert a basic disk to dynamic.

◆ fisys: The EFI system partition that is required for boot

operations.

◆ Msdata: The user data partition that is used by Microsoft

Windows.

An EFI System Partition (ESP) is required prior to installing the OS. If

you are installing on a raw disk that was not used prior it may not

have an ESP partition. Using the EFI “vol” command will show this

partition label as "EFIPART".

The EFI System Partition (ESP) is required to boot the OS. It is the first

partition, uses 100 MB of disk space, and should only be used for EFI

drivers and OS system files.

The Microsoft Reserved Partition (MSR) is required by Windows on

the boot drive and all the data drives. The MSR uses 32 MB on hard

disk drives less than 16 GB in size and uses 128 MB on hard disk

drives 16 GB or greater in size. This partition is hidden from the EFI

"vol" command. This partition will be created by the Windows

installer if it is not manually configured.

Msdata is the user data partition that is used by Microsoft Windows.

This partition will also be created by the Windows installer if not

manually created as described below.

To create the GUID partition table partition on a raw disk:

1. Insert the prepared USB drive into the USB port.

2. Boot the server to the EFI shell

3. Navigate to the directory containing diskpart.efi.

To create a GPT partition from a raw disk by using the Diskpart

utility:

1. At a command prompt, type diskpart to start the Diskpart utility.

"Diskpart version 0.0" is displayed as well as a Diskpart prompt.

2. At the prompt, type: list to list the mounted hard drive volumes.

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Emulex 110 Guide d'installation Page 215