Difference between revisions of "Install/GPT Partitioning"

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m (bring BIOS Boot out to /dev/sda4 to avoid breaking bios/mbr partition structure, and instructions further down the line. reorganize things to simplify bios boot partitioning without having to hop between pages. note that it's optional for testing.)
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{{Note|You can build legacy mode into your GPT partition table but it requires a BIOS Boot partition. see [[Talk:Install/GPT_Partitioning]]}}
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{{Note|You can build legacy mode into your GPT partition table but it requires a BIOS Boot partition at the start of the disk.}}
  
 
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Proceed? (Y/N): ##i##y ↵
 
Proceed? (Y/N): ##i##y ↵
 
}}
 
}}
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 +
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(Optional, testing, and not yet stabilized.)
 +
'''Create Partition 4''' (BIOS Boot)
 +
{{console|body=
 +
Command: ##i##n ↵
 +
Partition Number: ##i##4 ↵
 +
First sector: ##i##↵
 +
Last sector: ##i##+1M ↵
 +
Hex Code: ##i##EF02 ↵
 +
Command: ##i##c ↵
 +
Partition number: ##i##4
 +
Enter name: ##i##BIOS Boot
 +
}}
 +
 
'''Create Partition 1''' (boot):
 
'''Create Partition 1''' (boot):
  
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Partition Number: ##i##1 ↵
 
Partition Number: ##i##1 ↵
 
First sector: ##i##↵
 
First sector: ##i##↵
Last sector: ##i##+128M
+
Last sector: ##i##+256M
 
Hex Code: ##i##EF00 ↵
 
Hex Code: ##i##EF00 ↵
 
}}
 
}}
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Hex Code: ##i##↵
 
Hex Code: ##i##↵
 
}}
 
}}
(Optional) If you wish to use disk labels instead of /dev/sdXX (where XX is your disk and partition number) do:
+
(Optional) If you wish to use PARTLABEL= /etc/fstab statements:
 
{{console|body=
 
{{console|body=
 
Command: ##i##c ↵
 
Command: ##i##c ↵
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Command: ##i##c ↵
 
Command: ##i##c ↵
 
Partition Number: ##i##2
 
Partition Number: ##i##2
Enter name: ##i##swap
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Enter name: ##i##SWAP
 
Command: ##i##c ↵
 
Command: ##i##c ↵
 
Partition Number: ##i##3
 
Partition Number: ##i##3
Enter name: ##i##ROOT
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Enter name: ##i##FUNTOO
 
}}
 
}}
  
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* {{c|/dev/sda1}}, which will be used to hold the {{c|/boot}} filesystem,  
 
* {{c|/dev/sda1}}, which will be used to hold the {{c|/boot}} filesystem,  
 
* {{c|/dev/sda2}}, which will be used for swap space, and  
 
* {{c|/dev/sda2}}, which will be used for swap space, and  
* {{c|/dev/sda3}}, which will hold your root filesystem.
+
* {{c|/dev/sda3}}, which will hold your root filesystem, and
 +
* {{c|/dev/sda4}}, which will enable hybrid legacy, & UEFI booting.
  
 
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Revision as of 10:21, October 19, 2020

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Install Guide: GPT Partitioning

Install Guide, Chapter 4 < Prev Next >

UEFI/GPT Method

   Note

Use this method if you are interested in booting using UEFI, and if your Funtoo LiveCD initial boot menu was black and white, or the system booted without a boot menu. If it was light blue, this method will not work. Instead, use the instructions in the previous section then skip this section, or reboot LiveCD in UEFI mode first.

   Note

You can build legacy mode into your GPT partition table but it requires a BIOS Boot partition at the start of the disk.

The gdisk commands to create a GPT partition table are as follows. Adapt sizes as necessary, although these defaults will work for most users. Start gdisk:

root # gdisk /dev/sda

Within gdisk, follow these steps:

Create a new empty partition table (This will erase all data on the disk when saved):

Command: o ↵
This option deletes all partitions and creates a new protective MBR.
Proceed? (Y/N): y ↵

(Optional, testing, and not yet stabilized.) Create Partition 4 (BIOS Boot)

Command: n ↵
Partition Number: 4 ↵
First sector: 
Last sector: +1M ↵
Hex Code: EF02 ↵
Command: c ↵
Partition number: 4
Enter name: BIOS Boot

Create Partition 1 (boot):

Command: n ↵
Partition Number: 1 ↵
First sector: 
Last sector: +256M ↵
Hex Code: EF00 ↵

Create Partition 2 (swap):

Command: n ↵
Partition Number: 2 ↵
First sector: 
Last sector: +4G ↵
Hex Code: 8200 ↵

Create Partition 3 (root):

Command: n ↵
Partition Number: 3 ↵
First sector: 
Last sector:  (for rest of disk)
Hex Code: 

(Optional) If you wish to use PARTLABEL= /etc/fstab statements:

Command: c ↵
Partition Number: 1
Enter name: BOOT 
Command: c ↵
Partition Number: 2
Enter name: SWAP
Command: c ↵
Partition Number: 3
Enter name: FUNTOO

Along the way, you can type "p" and hit Enter to view your current partition table. If you make a mistake, you can type "d" to delete an existing partition that you created. When you are satisfied with your partition setup, type "w" to write your configuration to disk:

Write Partition Table To Disk:

Command: w ↵
Do you want to proceed? (Y/N): Y ↵

The partition table will now be written to the disk and gdisk will close.

Now, your GPT/GUID partitions have been created, and will show up as the following block devices under Linux:

  • /dev/sda1, which will be used to hold the /boot filesystem,
  • /dev/sda2, which will be used for swap space, and
  • /dev/sda3, which will hold your root filesystem, and
  • /dev/sda4, which will enable hybrid legacy, & UEFI booting.
   Tip

You can verify that the block devices above were correctly created by running the command lsblk.

Install Guide, Chapter 4 < Prev Next >