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docs(hibernate-swap-dualboot): add hibernation performance optimization tips

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Add recommended GRUB parameters for faster hibernation and resume:
- hibernation.compressor=lz4 for faster compression with lower CPU overhead
- GRUB_TIMEOUT and GRUB_TIMEOUT_STYLE settings for faster boot experience

These optimizations are particularly beneficial for large swap images (60-90 GB).
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2026-07-08 03:21:30 +02:00
parent e6c0224db9
commit 2bee8ed359
1 changed files with 5 additions and 1 deletions
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docs/hibernate-swap-dualboot.md
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@@ -55,8 +55,12 @@ UUID de reprise = **FS hôte (racine)** `84888eb3-cab9-407b-b407-ea4b3133c4a6`,
sudo mkinitcpio -P
sudo lsinitcpio /boot/initramfs-linux.img | grep -i resume # doit matcher
# /etc/default/grub :
# GRUB_CMDLINE_LINUX_DEFAULT="loglevel=3 quiet resume=UUID=84888eb3-cab9-407b-b407-ea4b3133c4a6 resume_offset=N"
# GRUB_CMDLINE_LINUX_DEFAULT="loglevel=3 quiet resume=UUID=84888eb3-cab9-407b-b407-ea4b3133c4a6 resume_offset=N hibernate.compressor=lz4"
# → hibernate.compressor=lz4 : compression la plus RAPIDE de l'image (moins de
# CPU que lzo) → hibernate/resume plus courts sur une image de 60-90 Go.
# GRUB_DISABLE_OS_PROBER=true (aucune entrée GRUB->Windows -> PCR4/PCR7 propres)
# GRUB_TIMEOUT=1 + GRUB_TIMEOUT_STYLE=hidden → resume quasi immédiat (menu
# masqué, maintenir Maj/Échap pour l'afficher). Boot le plus rapide côté FWS.
sudo grub-mkconfig -o /boot/grub/grub.cfg
```