|| ||Mark Bellon <email@example.com>|
|| ||ANNOUNCE: User-space System Device Enumeration (uSDE)|
|| ||Mon, 27 Oct 2003 13:42:26 -0700|
Initial availability of User-Space System Device Enumeration (uSDE)
package, version 0.74, can be found at http://sourceforge.net/projects/usde
The uSDE provides an open framework for the enumeration (specification)
of system devices in a dynamic environment. Device handling is
implemented via plug-in programs known as policy methods. Policy methods
are free to handle their devices in any way, from trivial to complex -
anything from providing LSB device nodes to persistent device name
replacement and relocation strategies.
The uSDE depends on /sbin/hotplug (for dynamic insertions and removals),
sysfs (for device information) and /proc (various pieces of
information). It is not dependent on initrd - it explicitly scans sysfs
upon system startup to determine the initial device ensemble.
Part of the uSDE release is a collection of sample polices:
disk-ide-policy - handles IDE, EIDE, SATA and USB-EIDE disks. Implements
persistent device naming, automatic device replacement and automatic
device relocation features.
disk-scsi-policy - handles SCSI, IEEE-1394, FibreChannel and USB-SCSI
disks including multiported devices. Iplements persistent device naming,
automatic device replacement and automatic device relocation features.
multipath-policy - handles the automatic provisioning of multipathing
for multiported storage devices.
ethernet-policy - handles ethernet interefaces. Implements persistent
interface naming, interface anchoring, automatic device replacement and
automatic device relocation features.
floppy-policy - handles internal floppy disks.
simple-device-policy - a "catch all" policy for block and character devices.
devfs-policy - provides devfs device names.
lsb-policy - provides LSB device names.
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