The standby timeout. A value of zero means "timeouts are disabled": the device will not automatically enter standby mode. Values from 1 to 240 specify multiples of 5 seconds, yielding timeouts from 5 seconds to 20 minutes. Values from 241 to 251 specify from 1 to 11 units of 30 minutes, yielding timeouts from 30 minutes to 5.5 hours. A value of 252 signifies a timeout of 21 minutes. A value of 253 sets a vendor-defined timeout period between 8 and 12 hours, and the value 254 is reserved. 255 is interpreted as 21 minutes plus 15 seconds. Note that some older drives may have very different interpretations of these values. This is similar to the -S option in hdparm(8).APMLevel
The Advanced Power Management level. A low value means aggressive power management and a high value means better performance. Possible settings range from values 1 through 127 (which permit spin-down), and values 128 through 254 (which do not permit spin-down). The highest degree of power management is attained with a setting of 1, and the highest I/O performance with a setting of 254. A value of 255 can be used to disable Advanced Power Management altogether on the drive (not all drives support disabling it, but most do). This is similar to the -B option in hdparm(8).AAMLevel
The Automatic Acoustic Management level. Most modern harddisk drives have the ability to speed down the head movements to reduce their noise output. The possible values are between 0 and 254. 128 is the most quiet (and therefore slowest) setting and 254 the fastest (and loudest). Some drives have only two levels (quiet / fast), while others may have different levels between 128 and 254. At the moment, most drives only support 3 options, off, quiet, and fast. These have been assigned the values 0, 128, and 254 at present, respectively, but integer space has been incorporated for future expansion, should this change. This is similar to the -M option in hdparm(8).WriteCacheEnabled
A boolean specifying whether to enable or disable the Write Cache. Valid values for this key are “true” and “false”. This is similar to the -W option in hdparm(8). This key was added in 2.1.ReadLookaheadEnabled
A boolean specifying whether to enable or disable the Read Look-ahead. Valid values for this key are “true” and “false”. This is similar to the -A option in hdparm(8). This key was added in 2.6.0.udev(7) and the Linux kernel. Influential device properties in the udev database include: UDISKS_SYSTEM
If set, this overrides the value of the HintSystem property.UDISKS_IGNORE
If set, this overrides the value of the HintIgnore property.UDISKS_AUTO
If set, this overrides the value of the HintAuto property.UDISKS_CAN_POWER_OFF
If set, this overrides the value of the CanPowerOff property.UDISKS_NAME
The name to use for the device when presenting it in an user interface. This corresponds to the HintName property.UDISKS_ICON_NAME
The icon to use for the device when presenting it in an user interface. If set, the name must adhere to the freedesktop.org icon theme specification. This corresponds to the HintIconName property.UDISKS_SYMBOLIC_ICON_NAME
The icon to use for the device when presenting it in an user interface using a symbolic icon. If set, the name must adhere to the freedesktop.org icon theme specification. This corresponds to the HintSymbolicIconName property.UDISKS_FILESYSTEM_SHARED
If set to 1, the filesystem on the device will be mounted in a shared directory (e.g. /media/VolumeName) instead of a private directory (e.g. /run/media/$USER/VolumeName) when the Filesystem.Mount() method is handled.ID_SEAT
The physical seat the device is attached to. If unset or set to the empty string, “seat0” (the first seat) is assumed.udisksctl(1) to be available. Additionally, there is no guarantee that the options, command-line switches etc. of command-line tools or similar will remain stable. Instead, applications should only use the D-Bus API, the libudisks2 library or tools such as dbus-send(1) or gdbus(1) to interact with udisksd(8).
•Low-level APIs and commands such as e.g. sysfs, libudev, /proc/self/mountinfo and util-linux.
•High-level APIs such as GVolumeMonitor.
- system message bus
- Desktop Entry Specification
- freedesktop.org icon theme specification
|June 2017||udisks 2.7.4|