Installation of zram-disk on boot

wiki.archlinux.org - zram

Create kernel module configuration

echo "zram" > /etc/modules-load.d/zram.conf

Add udev rule to /etc/udev/rules.d

Filename : 99-zram.rules Parameters for this example :

• device : zram0
• algorithm : zstd
• size : 50M
• disk type : ext4

ACTION=="add", KERNEL=="zram0", ATTR{comp_algorithm}="zstd", ATTR{disksize}="50M", RUN="/usr/bin/mkfs.ext4 -U clear /dev/%k", TAG+="systemd"

Mount with fstab entry

Add fstab entry for <mount-path> and <zram0>.

This example for default user uid=1000 :

/dev/zram0 <mount-path> ext4 umask=0022,gid=1000,uid=1000

Or mount with 2 services on boot for mount, on shutdown/logoff to erase data

Mount service

Files :

• mount_zram_disk.service
• mount_zram_disk.sh

Umount service

Files :

• erase_zram_disk.sh
• erase_zram_disk.service