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Automate disk partitioning in archinstall config - reuse EFI, format root
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private_dot_config/private_arch/ARCHINSTALL-GUIDE.md
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private_dot_config/private_arch/ARCHINSTALL-GUIDE.md
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## Disk Partitioning
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The config is set to `manual_partitioning` - archinstall will guide you through:
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The configuration is **fully automated** for replacing Fedora on `/dev/nvme0n1`.
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### What It Does
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The archinstall config will:
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1. **Keep** the existing EFI partition (600M) - **NO FORMATTING**
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2. **Delete** existing partitions 2 and 3 (old /boot and Fedora root)
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3. **Create** new root partition using all remaining space (~464G)
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4. **Enable** zram swap (configured via `"swap": true`)
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### Recommended Layout (UEFI):
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### Resulting Layout
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```
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/dev/nvme0n1p1 512M EFI System /boot
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/dev/nvme0n1p2 Rest Linux filesystem /
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swap 8-16G Linux swap [swap]
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/dev/nvme0n1p1 600M EFI (existing) /boot [KEPT - not wiped]
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/dev/nvme0n1p2 ~464G ext4 (new) / [FORMATTED]
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[zram0] ~8G zram [swap] [IN-MEMORY]
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```
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### For dual-boot or existing EFI:
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- Reuse existing EFI partition (don't format!)
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- Create new partition for Arch root
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### IMPORTANT: Different Disk?
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If your disk is **NOT** `/dev/nvme0n1`, edit the config before running:
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```bash
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# Check your disk name
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lsblk
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# Edit the config to change device
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nvim archinstall-config.json
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# Change "device": "/dev/nvme0n1" to your disk (e.g., /dev/sda)
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```
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## Customization
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private_dot_config/private_arch/archinstall-config.json
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private_dot_config/private_arch/archinstall-config.json
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}
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},
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"disk_config": {
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"config_type": "manual_partitioning",
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"device_modifications": []
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"device_modifications": [
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{
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"device": "/dev/nvme0n1",
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"partitions": [
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{
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"type": "primary",
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"start": "1MiB",
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"size": "600MiB",
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"filesystem": {"type": "fat32"},
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"mountpoint": "/boot",
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"flags": ["boot", "esp"],
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"wipe": false
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},
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{
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"type": "primary",
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"start": "601MiB",
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"size": "100%",
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"filesystem": {"type": "ext4"},
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"mountpoint": "/",
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"wipe": true
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}
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],
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"wipe": false
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}
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]
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},
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"bootloader": "systemd-bootctl",
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"swap": true,