etc/udev/persistent.rules

   1 # persistent disk links: /dev/disk/{by-id,by-uuid,by-label,by-path}
   2 # scheme based on "Linux persistent device names", 2004, Hannes Reinecke <hare@suse.de>
   3
   4 ACTION!="add", GOTO="persistent_end"
   5 SUBSYSTEM!="block", GOTO="persistent_end"
   6
   7 # skip rules for inappropriate block devices
   8 KERNEL=="ram*|loop*|fd*|nbd*", GOTO="persistent_end"
   9
  10 # never access removable ide devices, the drivers are causing event loops on open()
  11 BUS=="ide", DRIVER!="ide-cdrom", SYSFS{removable}="1", GOTO="persistent_end"
  12
  13 # by-id (hardware serial number)
  14 KERNEL=="hd*[!0-9]", IMPORT{program}="/sbin/ata_id --export $tempnode"
  15 KERNEL=="hd*[!0-9]", ENV{ID_SERIAL}=="?*", SYMLINK+="disk/by-id/ata-$env{ID_MODEL}_$env{ID_SERIAL}"
  16 KERNEL=="hd*[0-9]", IMPORT{parent}=="ID_*", SYMLINK+="disk/by-id/ata-$env{ID_MODEL}_$env{ID_SERIAL}-part%n"
  17
  18 KERNEL=="sd*[!0-9]|sr*", SYSFS{ieee1394_id}=="*", ENV{ID_SERIAL}="$sysfs{ieee1394_id}", ENV{ID_BUS}="ieee1394"
  19 KERNEL=="sd*[!0-9]|sr*", ENV{ID_SERIAL}=="", IMPORT{program}="/sbin/usb_id -x"
  20 KERNEL=="sd*[!0-9]|sr*", ENV{ID_SERIAL}=="", IMPORT{program}="/sbin/scsi_id -g -x -s %p -d $tempnode"
  21 KERNEL=="sd*[!0-9]|sr*", ENV{ID_SERIAL}=="", IMPORT{program}="/sbin/scsi_id -g -x -a -s %p -d $tempnode"
  22 KERNEL=="dasd*[!0-9]", IMPORT{program}="/sbin/dasd_id --export $tempnode"
  23 KERNEL=="sd*[!0-9]|sr*|dasd*[!0-9]", ENV{ID_SERIAL}=="?*", SYMLINK+="disk/by-id/$env{ID_BUS}-$env{ID_SERIAL}"
  24
  25 # for partitions import parent information
  26 KERNEL=="sd*[0-9]|dasd*[0-9]", IMPORT{parent}=="ID_*"
  27 KERNEL=="sd*[0-9]|dasd*[0-9]", ENV{ID_SERIAL}=="?*", SYMLINK+="disk/by-id/$env{ID_BUS}-$env{ID_SERIAL}-part%n"
  28
  29 # by-path (shortest physical path)
  30 KERNEL=="*[!0-9]|sr*", ENV{ID_TYPE}=="?*", IMPORT{program}="/sbin/path_id %p", SYMLINK+="disk/by-path/$env{ID_PATH}"
  31 KERNEL=="sr*", GOTO="persistent_end"
  32 KERNEL=="*[0-9]", IMPORT{parent}=="ID_*"
  33 KERNEL=="*[0-9]", ENV{ID_PATH}=="?*", SYMLINK+="disk/by-path/$env{ID_PATH}-part%n"
  34
  35 # by-label/by-uuid (filesystem properties)
  36 KERNEL=="*[!0-9]", SYSFS{removable}=="1", GOTO="persistent_end"
  37 IMPORT{program}="/sbin/vol_id --export $tempnode"
  38 ENV{ID_FS_UUID}=="?*", SYMLINK+="disk/by-uuid/$env{ID_FS_UUID}"
  39 ENV{ID_FS_LABEL_SAFE}=="?*", SYMLINK+="disk/by-label/$env{ID_FS_LABEL_SAFE}"
  40
  41 # BIOS Enhanced Disk Device
  42 KERNEL=="*[!0-9]", IMPORT{program}="/sbin/edd_id --export $tempnode"
  43 KERNEL=="*[!0-9]", ENV{ID_EDD}=="?*", SYMLINK+="disk/by-id/edd-$env{ID_EDD}"
  44 KERNEL=="*[0-9]", ENV{ID_EDD}=="?*", SYMLINK+="disk/by-id/edd-$env{ID_EDD}-part%n"
  45
  46 LABEL="persistent_end"
  47