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=="fd*|mtd*|nbd*|gnbd*|btibm*|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", SUBSYSTEMS=="ide", ATTRS{media}=="disk|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 # for partitions import parent information
  23 ENV{DEVTYPE}=="partition", IMPORT{parent}="ID_*"
  24
  25 # by-id (hardware serial number)
  26 KERNEL=="hd*[!0-9]", IMPORT{program}="ata_id --export $tempnode"
  27 KERNEL=="hd*[!0-9]", ENV{ID_SERIAL}=="?*", SYMLINK+="disk/by-id/ata-$env{ID_SERIAL}"
  28 KERNEL=="hd*[0-9]", ENV{ID_SERIAL}=="?*", SYMLINK+="disk/by-id/ata-$env{ID_SERIAL}-part%n"
  29
  30 # USB devices use their own serial number
  31 KERNEL=="sd*[!0-9]|sr*", ENV{ID_SERIAL}!="?*", SUBSYSTEMS=="usb", IMPORT{program}="usb_id --export %p"
  32 # ATA devices with their own "ata" kernel subsystem
  33 KERNEL=="sd*[!0-9]|sr*", ENV{ID_SERIAL}!="?*", SUBSYSTEMS=="ata", IMPORT{program}="ata_id --export $tempnode"
  34 # ATA devices using the "scsi" subsystem
  35 KERNEL=="sd*[!0-9]|sr*", ENV{ID_SERIAL}!="?*", SUBSYSTEMS=="scsi", ATTRS{vendor}=="ATA", IMPORT{program}="ata_id --export $tempnode"
  36 # scsi devices
  37 KERNEL=="sd*[!0-9]|sr*", ENV{ID_SERIAL}!="?*", IMPORT{program}="scsi_id --export --whitelisted -d $tempnode", ENV{ID_BUS}="scsi"
  38 KERNEL=="cciss*", ENV{DEVTYPE}=="disk", ENV{ID_SERIAL}!="?*", IMPORT{program}="scsi_id --export --whitelisted -d $tempnode", ENV{ID_BUS}="cciss"
  39 KERNEL=="sd*|sr*|cciss*", ENV{DEVTYPE}=="disk", ENV{ID_SERIAL}=="?*", SYMLINK+="disk/by-id/$env{ID_BUS}-$env{ID_SERIAL}"
  40 KERNEL=="sd*|cciss*", ENV{DEVTYPE}=="partition", ENV{ID_SERIAL}=="?*", SYMLINK+="disk/by-id/$env{ID_BUS}-$env{ID_SERIAL}-part%n"
  41
  42 # firewire
  43 KERNEL=="sd*[!0-9]|sr*", ATTRS{ieee1394_id}=="?*", SYMLINK+="disk/by-id/ieee1394-$attr{ieee1394_id}"
  44 KERNEL=="sd*[0-9]", ATTRS{ieee1394_id}=="?*", SYMLINK+="disk/by-id/ieee1394-$attr{ieee1394_id}-part%n"
  45
  46 # scsi compat links for ATA devices
  47 KERNEL=="sd*[!0-9]", ENV{ID_BUS}=="ata", PROGRAM="scsi_id --whitelisted --replace-whitespace -p0x80 -d$tempnode", RESULT=="?*", ENV{ID_SCSI_COMPAT}="$result", SYMLINK+="disk/by-id/scsi-$env{ID_SCSI_COMPAT}"
  48 KERNEL=="sd*[0-9]", ENV{ID_SCSI_COMPAT}=="?*", SYMLINK+="disk/by-id/scsi-$env{ID_SCSI_COMPAT}-part%n"
  49
  50 KERNEL=="mmcblk[0-9]", SUBSYSTEMS=="mmc", ATTRS{name}=="?*", ATTRS{serial}=="?*", ENV{ID_NAME}="$attr{name}", ENV{ID_SERIAL}="$attr{serial}", SYMLINK+="disk/by-id/mmc-$env{ID_NAME}_$env{ID_SERIAL}"
  51 KERNEL=="mmcblk[0-9]p[0-9]", ENV{ID_NAME}=="?*", ENV{ID_SERIAL}=="?*", SYMLINK+="disk/by-id/mmc-$env{ID_NAME}_$env{ID_SERIAL}-part%n"
  52 KERNEL=="mspblk[0-9]", SUBSYSTEMS=="memstick", ATTRS{name}=="?*", ATTRS{serial}=="?*", ENV{ID_NAME}="$attr{name}", ENV{ID_SERIAL}="$attr{serial}", SYMLINK+="disk/by-id/memstick-$env{ID_NAME}_$env{ID_SERIAL}"
  53 KERNEL=="mspblk[0-9]p[0-9]", ENV{ID_NAME}=="?*", ENV{ID_SERIAL}=="?*", SYMLINK+="disk/by-id/memstick-$env{ID_NAME}_$env{ID_SERIAL}-part%n"
  54
  55 # by-path (parent device path)
  56 ENV{DEVTYPE}=="disk", ENV{ID_PATH}=="", DEVPATH!="*/virtual/*", IMPORT{program}="path_id %p"
  57 ENV{DEVTYPE}=="disk", ENV{ID_PATH}=="?*", SYMLINK+="disk/by-path/$env{ID_PATH}"
  58 ENV{DEVTYPE}=="partition", ENV{ID_PATH}=="?*", SYMLINK+="disk/by-path/$env{ID_PATH}-part%n"
  59
  60 # skip unpartitioned removable media devices from drivers which do not send "change" events
  61 ENV{DEVTYPE}=="disk", KERNEL!="sd*|sr*", ATTR{removable}=="1", GOTO="persistent_storage_end"
  62
  63 # probe filesystem metadata of optical drives which have a media inserted
  64 KERNEL=="sr*", ENV{ID_CDROM_MEDIA}=="?*", IMPORT{program}="/sbin/blkid -o udev -p -u noraid -O $env{ID_CDROM_MEDIA_SESSION_LAST_OFFSET} $tempnode"
  65
  66 # probe filesystem metadata of disks
  67 KERNEL!="sr*", IMPORT{program}="/sbin/blkid -o udev -p $tempnode"
  68
  69 # watch for future changes
  70 KERNEL!="sr*", OPTIONS+="watch"
  71
  72 # by-label/by-uuid links (filesystem metadata)
  73 ENV{ID_FS_USAGE}=="filesystem|other|crypto", ENV{ID_FS_UUID_ENC}=="?*", SYMLINK+="disk/by-uuid/$env{ID_FS_UUID_ENC}"
  74 ENV{ID_FS_USAGE}=="filesystem|other", ENV{ID_FS_LABEL_ENC}=="?*", SYMLINK+="disk/by-label/$env{ID_FS_LABEL_ENC}"
  75
  76 LABEL="persistent_storage_end"