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 # from this point on, we don't care about remove envets
  10 #
  11 ACTION=="remove", GOTO="persistent_storage_end"
  12
  13 # run scsi_id and ata_id on the actual SCSI device
  14 SUBSYSTEM=="scsi", ENV{DEVTYPE}=="scsi_device", ENV{ID_SERIAL}!="?*", ATTR{vendor}=="ATA", IMPORT{program}="ata_id --export $root/bsg/$kernel"
  15 SUBSYSTEM=="scsi", ENV{DEVTYPE}=="scsi_device", ENV{ID_SERIAL}!="?*", IMPORT{program}="scsi_id --whitelisted --export --device $root/bsg/$kernel"
  16
  17 # from this point on, only care about block devices
  18 #
  19 SUBSYSTEM!="block", GOTO="persistent_storage_end"
  20
  21 # skip rules for inappropriate block devices
  22 KERNEL=="fd*|mtd*|nbd*|gnbd*|btibm*|dm-*|md*", GOTO="persistent_storage_end"
  23
  24 # ignore partitions that span the entire disk
  25 TEST=="whole_disk", GOTO="persistent_storage_end"
  26
  27 # for partitions import parent information
  28 ENV{DEVTYPE}=="partition", IMPORT{parent}="ID_*"
  29
  30 # virtio-blk
  31 KERNEL=="vd*[!0-9]", ATTRS{serial}=="?*", ENV{ID_SERIAL}="$attr{serial}", SYMLINK+="disk/by-id/virtio-$env{ID_SERIAL}"
  32 KERNEL=="vd*[0-9]", ATTRS{serial}=="?*", ENV{ID_SERIAL}="$attr{serial}", SYMLINK+="disk/by-id/virtio-$env{ID_SERIAL}-part%n"
  33
  34 # import ata_id/scsi_id data from the scsi_device captured above, if available
  35 SUBSYSTEMS=="scsi", IMPORT{parent}="ID_*"
  36
  37 # USB devices use their own serial number
  38 KERNEL=="sd*[!0-9]|sr*", ENV{ID_SERIAL}!="?*", SUBSYSTEMS=="usb", IMPORT{program}="usb_id --export %p"
  39 # ATA devices with their own "ata" kernel subsystem
  40 KERNEL=="sd*[!0-9]|sr*", ENV{ID_SERIAL}!="?*", SUBSYSTEMS=="ata", IMPORT{program}="ata_id --export $tempnode"
  41 # ATA devices using the "scsi" subsystem
  42 KERNEL=="sd*[!0-9]|sr*", ENV{ID_SERIAL}!="?*", SUBSYSTEMS=="scsi", ATTRS{vendor}=="ATA", IMPORT{program}="ata_id --export $tempnode"
  43 # scsi devices
  44 KERNEL=="sd*[!0-9]|sr*", ENV{ID_SERIAL}!="?*", IMPORT{program}="scsi_id --export --whitelisted -d $tempnode", ENV{ID_BUS}="scsi"
  45 KERNEL=="cciss*", ENV{DEVTYPE}=="disk", ENV{ID_SERIAL}!="?*", IMPORT{program}="scsi_id --export --whitelisted -d $tempnode", ENV{ID_BUS}="cciss"
  46 KERNEL=="sd*|sr*|cciss*", ENV{DEVTYPE}=="disk", ENV{ID_SERIAL}=="?*", SYMLINK+="disk/by-id/$env{ID_BUS}-$env{ID_SERIAL}"
  47 KERNEL=="sd*|cciss*", ENV{DEVTYPE}=="partition", ENV{ID_SERIAL}=="?*", SYMLINK+="disk/by-id/$env{ID_BUS}-$env{ID_SERIAL}-part%n"
  48
  49 # firewire
  50 KERNEL=="sd*[!0-9]|sr*", ATTRS{ieee1394_id}=="?*", SYMLINK+="disk/by-id/ieee1394-$attr{ieee1394_id}"
  51 KERNEL=="sd*[0-9]", ATTRS{ieee1394_id}=="?*", SYMLINK+="disk/by-id/ieee1394-$attr{ieee1394_id}-part%n"
  52
  53 # scsi compat links for ATA devices
  54 KERNEL=="sd*[!0-9]", ENV{ID_BUS}=="ata", PROGRAM="scsi_id --whitelisted --replace-whitespace -p0x80 -d$tempnode", RESULT=="?*", ENV{ID_SCSI_COMPAT}="$result", SYMLINK+="disk/by-id/scsi-$env{ID_SCSI_COMPAT}"
  55 KERNEL=="sd*[0-9]", ENV{ID_SCSI_COMPAT}=="?*", SYMLINK+="disk/by-id/scsi-$env{ID_SCSI_COMPAT}-part%n"
  56
  57 KERNEL=="mmcblk[0-9]", SUBSYSTEMS=="mmc", ATTRS{name}=="?*", ATTRS{serial}=="?*", ENV{ID_NAME}="$attr{name}", ENV{ID_SERIAL}="$attr{serial}", SYMLINK+="disk/by-id/mmc-$env{ID_NAME}_$env{ID_SERIAL}"
  58 KERNEL=="mmcblk[0-9]p[0-9]", ENV{ID_NAME}=="?*", ENV{ID_SERIAL}=="?*", SYMLINK+="disk/by-id/mmc-$env{ID_NAME}_$env{ID_SERIAL}-part%n"
  59 KERNEL=="mspblk[0-9]", SUBSYSTEMS=="memstick", ATTRS{name}=="?*", ATTRS{serial}=="?*", ENV{ID_NAME}="$attr{name}", ENV{ID_SERIAL}="$attr{serial}", SYMLINK+="disk/by-id/memstick-$env{ID_NAME}_$env{ID_SERIAL}"
  60 KERNEL=="mspblk[0-9]p[0-9]", ENV{ID_NAME}=="?*", ENV{ID_SERIAL}=="?*", SYMLINK+="disk/by-id/memstick-$env{ID_NAME}_$env{ID_SERIAL}-part%n"
  61
  62 # by-path (parent device path)
  63 ENV{DEVTYPE}=="disk", ENV{ID_PATH}=="", DEVPATH!="*/virtual/*", IMPORT{program}="path_id %p"
  64 ENV{DEVTYPE}=="disk", ENV{ID_PATH}=="?*", SYMLINK+="disk/by-path/$env{ID_PATH}"
  65 ENV{DEVTYPE}=="partition", ENV{ID_PATH}=="?*", SYMLINK+="disk/by-path/$env{ID_PATH}-part%n"
  66
  67 # skip unpartitioned removable media devices from drivers which do not send "change" events
  68 ENV{DEVTYPE}=="disk", KERNEL!="sd*|sr*", ATTR{removable}=="1", GOTO="persistent_storage_end"
  69
  70 # probe filesystem metadata of optical drives which have a media inserted
  71 KERNEL=="sr*", ENV{ID_CDROM_MEDIA_TRACK_COUNT_DATA}=="?*", ENV{ID_CDROM_MEDIA_SESSION_LAST_OFFSET}=="?*", IMPORT{program}="/sbin/blkid -o udev -p -u noraid -O $env{ID_CDROM_MEDIA_SESSION_LAST_OFFSET} $tempnode"
  72 # single-session CDs do not have ID_CDROM_MEDIA_SESSION_LAST_OFFSET
  73 KERNEL=="sr*", ENV{ID_CDROM_MEDIA_TRACK_COUNT_DATA}=="?*", ENV{ID_CDROM_MEDIA_SESSION_LAST_OFFSET}=="", IMPORT{program}="/sbin/blkid -o udev -p -u noraid $tempnode"
  74
  75 # probe filesystem metadata of disks
  76 KERNEL!="sr*", IMPORT{program}="/sbin/blkid -o udev -p $tempnode"
  77
  78 # watch for future changes
  79 KERNEL!="sr*", OPTIONS+="watch"
  80
  81 # by-label/by-uuid links (filesystem metadata)
  82 ENV{ID_FS_USAGE}=="filesystem|other|crypto", ENV{ID_FS_UUID_ENC}=="?*", SYMLINK+="disk/by-uuid/$env{ID_FS_UUID_ENC}"
  83 ENV{ID_FS_USAGE}=="filesystem|other", ENV{ID_FS_LABEL_ENC}=="?*", SYMLINK+="disk/by-label/$env{ID_FS_LABEL_ENC}"
  84
  85 # by-id (World Wide Name)
  86 ENV{DEVTYPE}=="disk", ENV{ID_WWN_WITH_EXTENSION}=="?*", SYMLINK+="disk/by-id/wwn-$env{ID_WWN_WITH_EXTENSION}"
  87 ENV{DEVTYPE}=="partition", ENV{ID_WWN_WITH_EXTENSION}=="?*", SYMLINK+="disk/by-id/wwn-$env{ID_WWN_WITH_EXTENSION}-part%n"
  88
  89 LABEL="persistent_storage_end"