rules/rules.d/60-persistent-storage.rules

   1 # do not edit this file, it will be overwritten on update
   2
   3 # persistent storage links: /dev/disk/{by-id,by-uuid,by-label,by-path}
   4 # scheme based on "Linux persistent device names", 2004, Hannes Reinecke <hare@suse.de>
   5
   6 # forward scsi device event to corresponding block device
   7 ACTION=="change", SUBSYSTEM=="scsi", ENV{DEVTYPE}=="scsi_device", TEST=="block", ATTR{block/*/uevent}="change"
   8
   9 ACTION!="add|change", GOTO="persistent_storage_end"
  10 SUBSYSTEM!="block", GOTO="persistent_storage_end"
  11
  12 # skip rules for inappropriate block devices
  13 KERNEL=="ram*|loop*|fd*|nbd*|gnbd*|dm-*|md*", GOTO="persistent_storage_end"
  14
  15 # never access non-cdrom removable ide devices, the drivers are causing event loops on open()
  16 KERNEL=="hd*[!0-9]", ATTR{removable}=="1", DRIVERS=="ide-cs|ide-floppy", GOTO="persistent_storage_end"
  17 KERNEL=="hd*[0-9]", ATTRS{removable}=="1", GOTO="persistent_storage_end"
  18
  19 # ignore partitions that span the entire disk
  20 TEST=="whole_disk", GOTO="persistent_storage_end"
  21
  22 # /sys/class/block will export this
  23 ENV{DEVTYPE}!="?*", ATTR{range}=="?*", ENV{DEVTYPE}="disk"
  24 ENV{DEVTYPE}!="?*", ATTR{start}=="?*", ENV{DEVTYPE}="partition"
  25
  26 # for partitions import parent information
  27 ENV{DEVTYPE}=="partition", IMPORT{parent}="ID_*"
  28
  29 # by-id (hardware serial number)
  30 KERNEL=="hd*[!0-9]", IMPORT{program}="ata_id --export $tempnode"
  31 KERNEL=="hd*[!0-9]", ENV{ID_SERIAL}=="?*", SYMLINK+="disk/by-id/ata-$env{ID_MODEL}_$env{ID_SERIAL}"
  32 KERNEL=="hd*[0-9]", ENV{ID_SERIAL}=="?*", SYMLINK+="disk/by-id/ata-$env{ID_MODEL}_$env{ID_SERIAL}-part%n"
  33
  34 KERNEL=="sd*[!0-9]|sr*", ATTRS{ieee1394_id}=="?*", ENV{ID_SERIAL}="$attr{ieee1394_id}", ENV{ID_BUS}="ieee1394"
  35 KERNEL=="sd*[!0-9]|sr*", ENV{ID_SERIAL}!="?*", SUBSYSTEMS=="usb", IMPORT{program}="usb_id --export %p"
  36 KERNEL=="sd*[!0-9]|sr*", ENV{ID_SERIAL}!="?*", IMPORT{program}="scsi_id --export --whitelisted -d $tempnode", ENV{ID_BUS}="scsi"
  37 KERNEL=="cciss?c[0-9]d[0-9]*", ENV{ID_SERIAL}!="?*", IMPORT{program}="scsi_id --export --whitelisted -d $tempnode", ENV{ID_BUS}="cciss"
  38 KERNEL=="sd*[!0-9]|sr*|cciss?c[0-9]d[0-9]*", ENV{ID_SERIAL}=="?*", SYMLINK+="disk/by-id/$env{ID_BUS}-$env{ID_SERIAL}"
  39 KERNEL=="sd*[0-9]|cciss*p[0-9]*", ENV{ID_SERIAL}=="?*", SYMLINK+="disk/by-id/$env{ID_BUS}-$env{ID_SERIAL}-part%n"
  40
  41 # libata compat (ata-* links, like old hd* devices did create)
  42 KERNEL=="sd*[!0-9]|sr*", ENV{ID_VENDOR}=="ATA", PROGRAM="ata_id $tempnode", RESULT=="?*", ENV{ID_ATA_COMPAT}="$result", SYMLINK+="disk/by-id/ata-$env{ID_ATA_COMPAT}"
  43 KERNEL=="sd*[0-9]", ENV{ID_ATA_COMPAT}=="?*", SYMLINK+="disk/by-id/ata-$env{ID_ATA_COMPAT}-part%n"
  44
  45 KERNEL=="mmcblk[0-9]", SUBSYSTEMS=="mmc", ATTRS{name}=="?*", ATTRS{serial}=="?*", ENV{ID_NAME}="$attr{name}", ENV{ID_SERIAL}="$attr{serial}", SYMLINK+="disk/by-id/mmc-$env{ID_NAME}_$env{ID_SERIAL}"
  46 KERNEL=="mmcblk[0-9]p[0-9]", ENV{ID_NAME}=="?*", ENV{ID_SERIAL}=="?*", SYMLINK+="disk/by-id/mmc-$env{ID_NAME}_$env{ID_SERIAL}-part%n"
  47
  48 # by-path (parent device path)
  49 ENV{DEVTYPE}=="disk", IMPORT{program}="path_id %p"
  50 ENV{DEVTYPE}=="disk", ENV{ID_PATH}=="?*", SYMLINK+="disk/by-path/$env{ID_PATH}"
  51 ENV{DEVTYPE}=="partition", ENV{ID_PATH}=="?*", SYMLINK+="disk/by-path/$env{ID_PATH}-part%n"
  52
  53 # skip unpartitioned removable media devices from drivers which do not send "change" events
  54 ENV{DEVTYPE}=="disk", KERNEL!="sd*|sr*", ATTR{removable}=="1", GOTO="persistent_storage_end"
  55
  56 # probe filesystem metadata of optical drives which have a media inserted
  57 KERNEL=="sr*", ENV{ID_CDROM_MEDIA_TRACK_COUNT}=="?*", IMPORT{program}="vol_id --export --skip-raid --offset=$env{ID_CDROM_MEDIA_SESSION_LAST_OFFSET} $tempnode"
  58
  59 # probe filesystem metadata of disks
  60 KERNEL!="sr*", IMPORT{program}="vol_id --export $tempnode"
  61
  62 # by-label/by-uuid links (filesystem metadata)
  63 ENV{ID_FS_USAGE}=="filesystem|other|crypto", ENV{ID_FS_UUID_ENC}=="?*", SYMLINK+="disk/by-uuid/$env{ID_FS_UUID_ENC}"
  64 ENV{ID_FS_USAGE}=="filesystem|other", ENV{ID_FS_LABEL_ENC}=="?*", SYMLINK+="disk/by-label/$env{ID_FS_LABEL_ENC}"
  65
  66 LABEL="persistent_storage_end"