rules/debian/60-persistent-storage.rules

   1 # This file contains the rules needed to create persistent device names.
   2
   3 # forward scsi device events to the corresponding block device
   4 ACTION=="change", SUBSYSTEM=="scsi", ENV{DEVTYPE}=="scsi_device", \
   5         TEST=="block",                  ATTR{block/*/uevent}="change"
   6
   7 # we are only interested in add and change actions for block devices
   8 ACTION!="add|change",                   GOTO="persistent_storage_end"
   9 SUBSYSTEM!="block",                     GOTO="persistent_storage_end"
  10
  11 # and we can safely ignore these kinds of devices
  12 KERNEL=="ram*|loop*|fd*|nbd*|gnbd*|dm-*|md*", GOTO="persistent_storage_end"
  13
  14 # skip removable ide devices, because open(2) on them causes an events loop
  15 KERNEL=="hd*[!0-9]", ATTR{removable}=="1", DRIVERS=="ide-cs|ide-floppy", \
  16                                         GOTO="persistent_storage_end"
  17 KERNEL=="hd*[0-9]", ATTRS{removable}=="1", \
  18                                         GOTO="persistent_storage_end"
  19
  20 # ignore partitions that span the entire disk
  21 TEST=="whole_disk",                     GOTO="persistent_storage_end"
  22
  23 # skip xen virtual hard disks
  24 DRIVERS=="vbd",                         GOTO="no_hardware_id"
  25
  26 # check these attributes of /sys/class/block nodes
  27 ENV{DEVTYPE}!="?*", ATTR{range}=="?*",  ENV{DEVTYPE}="disk"
  28 ENV{DEVTYPE}!="?*", ATTR{start}=="?*",  ENV{DEVTYPE}="partition"
  29
  30 # look for different kinds of unique identificators
  31 KERNEL=="hd*[!0-9]", \
  32         IMPORT{program}="ata_id --export $tempnode"
  33
  34 KERNEL=="sd*[!0-9]|sr*",                ATTRS{ieee1394_id}=="?*", \
  35         ENV{ID_BUS}="ieee1394", ENV{ID_SERIAL}="$attr{ieee1394_id}"
  36 KERNEL=="sd*[!0-9]|sr*",                ENV{ID_SERIAL}!="?*", \
  37         SUBSYSTEMS=="usb", \
  38         IMPORT{program}="usb_id --export $devpath"
  39 KERNEL=="sd*[!0-9]|sr*",                ENV{ID_SERIAL}!="?*", \
  40         ENV{ID_BUS}="scsi", \
  41         IMPORT{program}="scsi_id --export --whitelisted --device=$tempnode"
  42 KERNEL=="cciss?c[0-9]d[0-9]*",          ENV{ID_SERIAL}!="?*", \
  43         ENV{ID_BUS}="cciss", \
  44         IMPORT{program}="scsi_id --export --whitelisted --device=$tempnode"
  45
  46 KERNEL=="dasd*[!0-9]", \
  47         IMPORT{program}="dasd_id --export $tempnode"
  48
  49 KERNEL=="sd*[!0-9]|hd*[!0-9]", \
  50         IMPORT{program}="edd_id --export $tempnode"
  51
  52 KERNEL=="sd*[!0-9]|sr*",                ENV{ID_VENDOR}=="ATA", \
  53         PROGRAM="ata_id $tempnode", RESULT=="?*", ENV{ID_ATA_COMPAT}="$result"
  54
  55 # find the physical path of the device
  56 ENV{DEVTYPE}=="disk",                   IMPORT{program}="path_id $devpath"
  57
  58 LABEL="no_hardware_id"
  59
  60 # import the variables of partitions from the parent disks
  61 ENV{DEVTYPE}=="partition",              IMPORT{parent}="ID_*"
  62
  63 # obsolete PATA driver
  64 KERNEL=="hd*[!0-9]",                    ENV{ID_SERIAL}=="?*", \
  65         SYMLINK+="disk/by-id/ata-$env{ID_MODEL}_$env{ID_SERIAL}"
  66 KERNEL=="hd*[0-9]",                     ENV{ID_SERIAL}=="?*", \
  67         SYMLINK+="disk/by-id/ata-$env{ID_MODEL}_$env{ID_SERIAL}-part%n"
  68 # hd*-like compatibility links for libata and PATA devices
  69 KERNEL=="sd*[!0-9]|sr*",                ENV{ID_ATA_COMPAT}=="?*", \
  70         SYMLINK+="disk/by-id/ata-$env{ID_ATA_COMPAT}"
  71 KERNEL=="sd*[0-9]",                     ENV{ID_ATA_COMPAT}=="?*", \
  72         SYMLINK+="disk/by-id/ata-$env{ID_ATA_COMPAT}-part%n"
  73
  74 KERNEL=="mmcblk[0-9]", ATTR{name}=="?*", ATTR{serial}=="?*", \
  75         ENV{ID_NAME}="$attr{name}", ENV{ID_SERIAL}="$attr{serial}", \
  76         SYMLINK+="disk/by-id/mmc-$env{ID_NAME}_$env{ID_SERIAL}"
  77 KERNEL=="mmcblk[0-9]p[0-9]", ATTR{name}=="?*", ATTR{serial}=="?*", \
  78         ENV{ID_NAME}="$attr{name}", ENV{ID_SERIAL}="$attr{serial}", \
  79         SYMLINK+="disk/by-id/mmc-$env{ID_NAME}_$env{ID_SERIAL}-part%n"
  80
  81 ENV{DEVTYPE}=="disk",                   ENV{ID_EDD}=="?*", \
  82         SYMLINK+="disk/by-id/edd-$env{ID_EDD}"
  83 ENV{DEVTYPE}=="partition",              ENV{ID_EDD}=="?*", \
  84         SYMLINK+="disk/by-id/edd-$env{ID_EDD}-part%n"
  85
  86 KERNEL=="sd*[!0-9]|sr*|dasd[!0-9]*|cciss?c[0-9]d[0-9]*", ENV{ID_SERIAL}=="?*", \
  87         SYMLINK+="disk/by-id/$env{ID_BUS}-$env{ID_SERIAL}"
  88 KERNEL=="sd*[0-9]|dasd*[0-9]|cciss*p[0-9]*",            ENV{ID_SERIAL}=="?*", \
  89         SYMLINK+="disk/by-id/$env{ID_BUS}-$env{ID_SERIAL}-part%n"
  90
  91 ENV{DEVTYPE}=="disk",                   ENV{ID_PATH}=="?*", \
  92         SYMLINK+="disk/by-path/$env{ID_PATH}"
  93 ENV{DEVTYPE}=="partition",              ENV{ID_PATH}=="?*", \
  94         SYMLINK+="disk/by-path/$env{ID_PATH}-part%n"
  95
  96 # skip unpartitioned removable media devices from drivers which do not send
  97 # "change" events
  98 ENV{DEVTYPE}=="disk", KERNEL!="sd*|sr*", ATTR{removable}=="1", \
  99                                         GOTO="persistent_storage_end"
 100
 101 # UUID and volume label
 102 IMPORT{program}="vol_id --export $tempnode"
 103 ENV{ID_FS_UUID_ENC}=="?*",      ENV{ID_FS_USAGE}=="filesystem|other|crypto", \
 104         SYMLINK+="disk/by-uuid/$env{ID_FS_UUID_ENC}"
 105 ENV{ID_FS_LABEL_ENC}=="?*",     ENV{ID_FS_USAGE}=="filesystem|other", \
 106         SYMLINK+="disk/by-label/$env{ID_FS_LABEL_ENC}"
 107
 108 LABEL="persistent_storage_end"
 109