aires/nix-configuration
aires/nix-configuration
1
0
Fork 0
Code Actions Activity

Modules: set RAID optimizations

Browse source
This commit is contained in:
Aires 2025-01-02 14:01:16 -05:00
parent b55dff080a
commit 9da3430b83
1 changed files with 7 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
modules/nixos/system/raid/default.nix
View file

@ -49,6 +49,13 @@ in
options = [ "nofail" ]; options = [ "nofail" ];
}; };
# Optimize RAID performance via udev rules
# See https://serverfault.com/questions/579489/linux-what-is-stripe-cache-size-and-what-does-it-do
services.udev.extraRules = ''
SUBSYSTEM=="block", KERNEL=="md*", ACTION=="change", TEST=="md/stripe_cache_size", ATTR{md/stripe_cache_size}="8192"
SUBSYSTEM=="block", KERNEL=="md*", ACTION=="change", TEST=="queue/read_ahead_kb", ATTR{md/read_ahead_kb}="8192"
'';
# Automatically scrub the array monthly # Automatically scrub the array monthly
systemd = { systemd = {
services."raid-scrub" = { services."raid-scrub" = {