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Text File  |  2008-10-24  |  3.6 KB  |  64 lines
  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 (links like hd*)
  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 (shortest physical 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. # import filesystem metadata
  57. IMPORT{program}="vol_id --export $tempnode"
  58.  
  59. # by-label/by-uuid links (filesystem metadata)
  60. ENV{ID_FS_USAGE}=="filesystem|other|crypto", ENV{ID_FS_UUID_ENC}=="?*", SYMLINK+="disk/by-uuid/$env{ID_FS_UUID_ENC}"
  61. ENV{ID_FS_USAGE}=="filesystem|other", ENV{ID_FS_LABEL_ENC}=="?*", SYMLINK+="disk/by-label/$env{ID_FS_LABEL_ENC}"
  62.  
  63. LABEL="persistent_storage_end"
  64.