docs: WD Red behavior

This commit is contained in:
Daniel Langbein 2023-10-04 14:23:01 +02:00
parent 02a50c3950
commit 56dfa0d31f
Signed by: langfingaz
GPG Key ID: 6C47C753F0823002

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@ -19,13 +19,16 @@
# sudo hdparm -C /dev/disk/by-id/ata-WDC_WD40EFRX-68N32N0_WD-WCC7K0CPF0N1
# #=> drive state is: active/idle
#
# Spin down after 2 minutes (120s/5 = 24):
# Spin down after 2 minutes (120s/5s = 24).
# TODO: Western Digital (WD) Red/Green drives don't work properly. For low `-S` values, they spin down after **10** minutes. And for high values they don't spin down at all.
# - https://superuser.com/questions/1746074/spin-down-not-working-on-wd-red
# - https://askubuntu.com/questions/196473/setting-sata-hdd-spindown-time-for-western-digital-green-drives
#
# sudo hdparm -S 24 /dev/disk/by-id/ata-WDC_WD40EFRX-68N32N0_WD-WCC7K0CPF0N1 # 4tb1
# sudo hdparm -S 24 /dev/disk/by-id/ata-WDC_WD30EFRX-68EUZN0_WD-WCC4N1173157 # 3tb1
# sudo hdparm -S 24 /dev/disk/by-id/ata-WDC_WD30EFRX-68EUZN0_WD-WMC4N0564095 # 3tb2
# #=> setting standby to 24 (2 minutes)
#
# ... after >> 2 minutes ...
# ... after > 10 minutes ...
#
# Query disk without waking it up:
# https://wiki.archlinux.org/title/hdparm#Querying_the_status_of_the_disk_without_waking_it_up
@ -50,8 +53,8 @@
# https://www.reddit.com/r/NixOS/comments/751i5t/comment/do3f3l7/
# # Options:
# # -a <disk>: Select disk for subsequent parameters.
# # -i 180: Spin down after 2 minutes (180 seconds) of inactivity.
# ExecStart = "${pkgs.hd-idle}/bin/hd-idle -a /dev/disk/by-id/XXX-XXX-XXX -i 180";
# # -i 120: Spin down after 2 minutes (120 seconds) of inactivity.
# ExecStart = "${pkgs.hd-idle}/bin/hd-idle -a /dev/disk/by-id/XXX-XXX-XXX -i 120";
{
environment.systemPackages = with pkgs; [