インストールメディア に パーティション を自動で切らせると 回復パーティション のサイズが小さくて 回復環境の使用でトラブったり VER UP 時に 新たな 回復パーティション が作成されて無駄な領域が増えてしまう
その事を回避するには手動で各パーティションを作成後 OS のインストールを行う
参考情報
UEFI/GPT-based hard drive partitions
BIOS/MBR-based hard drive partitions
UEFI/GPT ベースのハード ドライブ パーティション
BIOS/MBR ベースのハード ドライブ パーティション
UEFI/GPT
rem == CreatePartitions-UEFI.txt ==
rem == These commands are used with DiskPart to
rem create four partitions
rem for a UEFI/GPT-based PC.
rem Adjust the partition sizes to fill the drive
rem as necessary. ==
select disk 0
clean
convert gpt
rem == 1. System partition =========================
create partition efi size=100
rem ** NOTE: For Advanced Format 4Kn drives,
rem change this value to size = 260 **
rem format quick fs=fat32 label="System" Original
format quick fs=fat32
assign letter="S"
rem == 2. Microsoft Reserved (MSR) partition =======
create partition msr size=16
rem == 3. Windows partition ========================
rem == a. Create the Windows partition ==========
create partition primary
rem == b. Create space for the recovery tools ===
rem shrink minimum=500 Original
rem 1024*3=3GB
shrink minimum=3072
rem ** NOTE: Update this size to match the
rem size of the recovery tools
rem (winre.wim) plus free space **
rem == c. Prepare the Windows partition =========
rem format quick fs=ntfs label="Windows"
format quick fs=ntfs
assign letter="W"
rem === 4. Recovery tools partition ================
create partition primary
rem format quick fs=ntfs label="Recovery tools" Original
format quick fs=ntfs label="Recovery"
assign letter="R"
set id="de94bba4-06d1-4d40-a16a-bfd50179d6ac"
gpt attributes=0x8000000000000001
list volume
exit
BIOS/MBR
rem == CreatePartitions-BIOS.txt ==
rem == These commands are used with DiskPart to
rem create three partitions
rem for a BIOS/MBR-based computer.
rem Adjust the partition sizes to fill the drive
rem as necessary. ==
select disk 0
clean
rem == 1. System partition ======================
create partition primary size=100
rem format quick fs=ntfs label="System" original
format quick fs=ntfs
assign letter="S"
active
rem == 2. Windows partition =====================
rem == a. Create the Windows partition =======
create partition primary
rem == b. Create space for the recovery tools
rem shrink minimum=500 original
rem 1024*2=3GB
shrink minimum=3072
rem ** NOTE: Update this size to match the
rem size of the recovery tools
rem (winre.wim) **
rem == c. Prepare the Windows partition ======
rem format quick fs=ntfs label="Windows" original
format quick fs=ntfs
assign letter="W"
rem == 3. Recovery tools partition ==============
create partition primary
rem format quick fs=ntfs label="Recovery" original
format quick fs=ntfs
assign letter="R"
set id=27
list volume
exit
共に 回復パーティション 領域 を 3GB に設定（必用なら任意の数値に変更）
