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--- doc:appunti:hardware:raspberrypi_nas_smart_hard_disk [2025/10/10 10:55] – [Raspberry Pi NAS: Hard disk management] niccolo
+++ doc:appunti:hardware:raspberrypi_nas_smart_hard_disk [2025/10/10 11:24] (current) – [udisks2.service] niccolo
@@ Line 164: / Line 164: @@
 ===== udisks2.service =====
-FIXME The **udisks2.service** may interfere with the hard disk spin-down feature: I had to uninstall the **udisks2** package to allow the hard drive to go into standby mode.
+It seems that the **udisks2.service** may interfere with the hard disk spin-down feature. The ''man 8 udisks'' refers to setting APT options (//StandbyTimeout//, //APMLevel//, ...) via ATA commands.
+It is likely that the hdparm options set by **udev** on system start are overridden by udisks2. In a [[..:software:kodi_installation_raspios_13|system based on RaspiOS 13 Trixie]] I had to remove the **udisks2** package to allow the hard drive to go into standby mode as epxlained above.
+Some useful udisks2 commands:
+<code>
+udisksctl info -b /dev/sda3
+</code>
 ===== Web References =====