From 3b4fe91a6a33dfb53d79a93ebdb842ee11c71d80 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Sachse?= <joerg.sachse@slub-dresden.de>
Date: Mon, 13 Feb 2023 16:11:06 +0100
Subject: [PATCH] fix: configure udev rule to make zram swap reboot persistent
---
tasks/configure_swap.yml | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/tasks/configure_swap.yml b/tasks/configure_swap.yml
index caebbbf..2862af1 100644
--- a/tasks/configure_swap.yml
+++ b/tasks/configure_swap.yml
@@ -15,7 +15,6 @@
when: ansible_os_family == "Debian"
# RHEL part is based on https://www.techrepublic.com/article/how-to-enable-zram-rocky-linux/
-# Note: all that udev stuff from that guide doesn't work. We'll use CLI commands.
# More docu on zram at https://www.kernel.org/doc/html/latest/admin-guide/blockdev/zram.html
- name: configure zram based swap (RedHat)
block:
@@ -41,6 +40,12 @@
create: true
line: "options zram num_devices=1"
mode: "0644"
+ - name: configure udev to initialise zram device on bootup
+ ansible.builtin.lineinfile:
+ path: "/etc/udev/rules.d/99-zram.rules"
+ create: true
+ line: "KERNEL==\"zram0\", ATTR{disksize}=\"{{ ( ansible_facts.memtotal_mb / 2 ) | round | int }}M\",TAG+=\"systemd\""
+ mode: "0644"
- name: find out if zram Kernel module has been loaded already
ansible.builtin.command: "lsmod"
register: kernel_modules
--
GitLab