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# This file contains the rules needed to create persistent device names.
# we are only interested in add actions for block devices
SUBSYSTEM!="block", GOTO="no_volume_id"
ACTION!="add", GOTO="no_volume_id"
# and we can safely ignore these kinds of devices
KERNEL=="ram*|loop*|fd*|nbd*|dm-*", GOTO="no_volume_id"
# skip removable ide devices, because open(2) on them causes an events loop
KERNEL=="hd*[!0-9]", ATTR{removable}=="1", DRIVERS=="ide-cs|ide-floppy", \
GOTO="no_volume_id"
KERNEL=="hd*[0-9]", ATTR{../removable}=="1", \
GOTO="no_volume_id"
# skip xen virtual hard disks
DRIVERS=="vbd", GOTO="no_hardware_id"
# look for different kinds of unique identificators
KERNEL=="hd*[!0-9]", \
IMPORT{program}="ata_id --export $tempnode"
KERNEL=="sd*[!0-9]|sr*|st*", ATTRS{ieee1394_id}=="?*", \
ENV{ID_BUS}="ieee1394", ENV{ID_SERIAL}="$attr{ieee1394_id}"
KERNEL=="sd*[!0-9]|sr*|st*", ENV{ID_SERIAL}=="", \
IMPORT{program}="usb_id -x"
KERNEL=="sd*[!0-9]|sr*|st*", ENV{ID_SERIAL}=="", \
IMPORT{program}="scsi_id -g -x -s $devpath -d $tempnode"
KERNEL=="sd*[!0-9]|sr*|st*", ENV{ID_SERIAL}=="", \
IMPORT{program}="scsi_id -g -x -a -s $devpath -d $tempnode"
KERNEL=="dasd*[!0-9]", \
IMPORT{program}="dasd_id --export $tempnode"
KERNEL=="*[!0-9]", \
IMPORT{program}="edd_id --export $tempnode"
# find the physical path of the device
KERNEL=="*[!0-9]|sr*|st*", IMPORT{program}="path_id $devpath"
LABEL="no_hardware_id"
# import the variables of partitions from the parent disks
KERNEL=="*[0-9]", IMPORT{parent}="ID_*"
KERNEL=="hd*[!0-9]", ENV{ID_SERIAL}=="?*", \
SYMLINK+="disk/by-id/ata-$env{ID_MODEL}_$env{ID_SERIAL}"
KERNEL=="hd*[0-9]", ENV{ID_SERIAL}=="?*", \
SYMLINK+="disk/by-id/ata-$env{ID_MODEL}_$env{ID_SERIAL}-part%n"
KERNEL=="sd*[!0-9]|dasd[!0-9]*|sr*", ENV{ID_SERIAL}=="?*", \
SYMLINK+="disk/by-id/$env{ID_BUS}-$env{ID_SERIAL}"
KERNEL=="sd*[0-9]|dasd*[0-9]", ENV{ID_SERIAL}=="?*", \
SYMLINK+="disk/by-id/$env{ID_BUS}-$env{ID_SERIAL}-part%n"
KERNEL=="st*", ENV{ID_SERIAL}=="?*", \
SYMLINK+="tape/by-id/$env{ID_BUS}-$env{ID_SERIAL}"
KERNEL=="*[!0-9]", ENV{ID_EDD}=="?*", \
SYMLINK+="disk/by-id/edd-$env{ID_EDD}"
KERNEL=="*[0-9]", ENV{ID_EDD}=="?*", \
SYMLINK+="disk/by-id/edd-$env{ID_EDD}-part%n"
KERNEL=="*[!0-9]|sr*", ENV{ID_PATH}=="?*", \
SYMLINK+="disk/by-path/$env{ID_PATH}"
KERNEL=="st*", ENV{ID_PATH}=="?*", \
SYMLINK+="tape/by-path/$env{ID_PATH}"
KERNEL=="sr*|st*", GOTO="no_volume_id"
KERNEL=="*[0-9]", ENV{ID_PATH}=="?*", \
SYMLINK+="disk/by-path/$env{ID_PATH}-part%n"
# UUID and volume label
KERNEL=="*[!0-9]", ATTR{removable}=="1", GOTO="no_volume_id"
IMPORT{program}="vol_id --export $tempnode"
ENV{ID_FS_UUID}=="?*", ENV{ID_FS_USAGE}=="filesystem|other|crypto", \
SYMLINK+="disk/by-uuid/$env{ID_FS_UUID}"
ENV{ID_FS_LABEL_SAFE}=="?*", ENV{ID_FS_USAGE}=="filesystem|other", \
SYMLINK+="disk/by-label/$env{ID_FS_LABEL_SAFE}"
# end of processing
LABEL="no_volume_id"
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