Difference between revisions of "HDAPS"
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A driver is included in recent Linux kernels and is actively maintained. However, presently the driver only enables reading of the acceleration data; it does '''not''' perform automatic disk head parking. The latter feature is under development. But there are already some useful applications for HDAPS, using the {{path|/sys}} interface it provides. See below. | A driver is included in recent Linux kernels and is actively maintained. However, presently the driver only enables reading of the acceleration data; it does '''not''' perform automatic disk head parking. The latter feature is under development. But there are already some useful applications for HDAPS, using the {{path|/sys}} interface it provides. See below. | ||
| − | === | + | === Harddisk Protection === |
As mentioned above, the hdaps kernel driver is only responsible for reading the accelerometer data and exporting it through the sysfs interface. In order to use this information to protect the disk, some additional steps are required. | As mentioned above, the hdaps kernel driver is only responsible for reading the accelerometer data and exporting it through the sysfs interface. In order to use this information to protect the disk, some additional steps are required. | ||
| − | + | See [[How to protect the harddisk through APS]]. | |
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=== Applications === | === Applications === | ||
Revision as of 05:10, 22 January 2006
Contents
HDAPS - IBM Active Protection System Linux Driver
This is the Linux driver for the IBM Active Protection System.
Features
- prints accelerometer values
- uses userspace tool to park HD
Project Homepage / Availability
- Project Homepage
- The driver is included in the 2.6-mm series of kernels since August, 26th 2005.
- The driver is now in the mainline (2.6.14).
Status
A driver is included in recent Linux kernels and is actively maintained. However, presently the driver only enables reading of the acceleration data; it does not perform automatic disk head parking. The latter feature is under development. But there are already some useful applications for HDAPS, using the /sys interface it provides. See below.
Harddisk Protection
As mentioned above, the hdaps kernel driver is only responsible for reading the accelerometer data and exporting it through the sysfs interface. In order to use this information to protect the disk, some additional steps are required.
See How to protect the harddisk through APS.
Applications
Security & Safety
- disk park patch an experimental patch for parking the disk (Linux 2.6.14 for 2.6.15 see below)
- disk park patch adapted for the t41p model kernel 2.6.14 (capability detection disabled, no libata support)
- disk park patch adapted for the t41p model kernel 2.6.15 (capability detection disabled, no libata support)
- Latest sata/ide disk protection patch for 2.6.15
- Latest userspace parking daemon
- Script for theft alarm using HDAPS
Monitoring
- gkhdaps a GKrellM applet displaying tilt data
- gnome-tilt a gnome applet showing tilt data
- khdapsmon KDE System Tray app similar to the Windows one (also at kde-apps.org)
- gnome-hdaps-applet visual display of disk protection status in gnome panel
Visualisation (of ThinkPad orientation)
- hdaps-gl a little app animating a 3D-ThinkPad
- hdapsgl-applet a GNOME applet animating a 3D-ThinkPad
- wmadhps a WindowMaker DockApp animating a 3D-ThinkPad
- OpenGL gyroscope hack keeps your display levelled when tilting the ThinkPad
- HDAPS mailinglist and its archive
- #hdaps channel on irc.freenode.org
- hdaps projects overview of userspace programs using hdaps
- IBM ThinkPads hardware drive firmware site
- http://www.paul.sladen.org/thinkpad-r31/accelerometer/
- http://bugs.gentoo.org/show_bug.cgi?id=100167 Gentoo ebuild for hdaps driver and daemon including a initscript
