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Ci-dessous, les différences entre deux révisions de la page.

--- tech:table_de_partitions_gpt [2025/03/24 15:06] – créée - modification externe 127.0.0.1
+++ tech:table_de_partitions_gpt [2025/04/24 15:20] (Version actuelle) – Jean-Baptiste
@@ Ligne 1: / Ligne 1: @@
+<!DOCTYPE markdown>
+{{tag>Brouillon GPT Block}}
+# Table de partitions GPT
+Voir :
+* gdisk https://expertoracle.com/2020/01/06/nochange-partition-1-could-only-be-grown-by-1-fudge2048-error-when-extending-a-disk-partition/
+Supprimer uniquement la table des partitions en conservant la MBR
+Install de gdisk (GPT fdisk)
+~~~bash
+apt-get install gdisk
+~~~
+Suppression de la table GPT - zap GPT
+~~~bash
+sgdisk --zap /dev/sdb
+~~~
+Supprimer toutes les signatures
+~~~bash
+/sbin/wipefs -a -f /dev/sda
+~~~
+## Autres
+~~~
+# sfdisk /dev/sda
+/dev/sda   /dev/sda1  /dev/sda2  /dev/sda3  /dev/sda4  /dev/sda5  /dev/sda6  /dev/sda7
+# sfdisk -d /dev/sda
+label: gpt
+label-id: 4A520514-FBFF-49E2-93CD-024C6EE848EA
+device: /dev/sda
+unit: sectors
+first-lba: 34
+last-lba: 209715038
+/dev/sda1 : start=        2048, size=    97654784, type=0FC63DAF-8483-4772-8E79-3D69D8477DE4, uuid=763DFFAB-5D82-4843-8F38-746AA9D6D2EE, name="root"
+/dev/sda2 : start=    97656832, size=    39061504, type=0FC63DAF-8483-4772-8E79-3D69D8477DE4, uuid=0D3A7314-4DC6-4D63-8AD2-A5B514F9FE90, name="home"
+/dev/sda3 : start=   136718336, size=     9764864, type=0FC63DAF-8483-4772-8E79-3D69D8477DE4, uuid=91287ED7-760D-405B-ABE7-C7F8FD59DF6B, name="usr"
+/dev/sda4 : start=   146483200, size=     9764864, type=0FC63DAF-8483-4772-8E79-3D69D8477DE4, uuid=CA22ECC9-7839-4EE6-8F23-CC67A55D3F8A, name="var"
+/dev/sda5 : start=   156248064, size=     9764864, type=0FC63DAF-8483-4772-8E79-3D69D8477DE4, uuid=6D2E0210-27B3-4979-B85B-DCBF2F63BC38, name="tmp"
+/dev/sda6 : start=   166012928, size=     9764864, type=0FC63DAF-8483-4772-8E79-3D69D8477DE4, uuid=BC2EAA0E-BFF8-4311-B738-8DEC70F0DA91, name="usr/local"
+/dev/sda7 : start=   175777792, size=     9764864, type=C12A7328-F81F-11D2-BA4B-00A0C93EC93B, uuid=EA73FFAD-DB9B-476B-B40F-DAF95DFF0C14, name="efi"
+# gdisk -l /dev/sda
+GPT fdisk (gdisk) version 1.0.3
+Partition table scan:
+  MBR: protective
+  BSD: not present
+  APM: not present
+  GPT: present
+Found valid GPT with protective MBR; using GPT.
+Disk /dev/sda: 209715072 sectors, 100.0 GiB
+Model: PERC H330 Adp
+Sector size (logical/physical): 512/512 bytes
+Disk identifier (GUID): 4A520514-FBFF-49E2-93CD-024C6EE848EA
+Partition table holds up to 128 entries
+Main partition table begins at sector 2 and ends at sector 33
+First usable sector is 34, last usable sector is 209715038
+Partitions will be aligned on 2048-sector boundaries
+Total free space is 24174397 sectors (11.5 GiB)
+Number  Start (sector)    End (sector)  Size       Code  Name
+            2048        97656831   46.6 GiB    8300  root
+        97656832       136718335   18.6 GiB    8300  home
+       136718336       146483199   4.7 GiB     8300  usr
+       146483200       156248063   4.7 GiB     8300  var
+       156248064       166012927   4.7 GiB     8300  tmp
+       166012928       175777791   4.7 GiB     8300  usr/local
+       175777792       185542655   4.7 GiB     EF00  efi
+~~~