# do not edit this file, it will be overwritten on update # persistent storage links: /dev/disk/{by-id,by-uuid,by-label,by-path} # scheme based on "Linux persistent device names", 2004, Hannes Reinecke # forward scsi device event to corresponding block device ACTION=="change", SUBSYSTEM=="scsi", ENV{DEVTYPE}=="scsi_device", TEST=="block", ATTR{block/*/uevent}="change" ACTION!="add|change", GOTO="persistent_storage_end" SUBSYSTEM!="block", GOTO="persistent_storage_end" # skip rules for inappropriate block devices KERNEL=="ram*|loop*|fd*|nbd*|gnbd*|dm-*|md*", GOTO="persistent_storage_end" # never access non-cdrom removable ide devices, the drivers are causing event loops on open() KERNEL=="hd*[!0-9]", ATTR{removable}=="1", DRIVERS=="ide-cs|ide-floppy", GOTO="persistent_storage_end" KERNEL=="hd*[0-9]", ATTRS{removable}=="1", GOTO="persistent_storage_end" # ignore partitions that span the entire disk TEST=="whole_disk", GOTO="persistent_storage_end" # /sys/class/block will export this ENV{DEVTYPE}!="?*", ATTR{range}=="?*", ENV{DEVTYPE}="disk" ENV{DEVTYPE}!="?*", ATTR{start}=="?*", ENV{DEVTYPE}="partition" # for partitions import parent information ENV{DEVTYPE}=="partition", IMPORT{parent}="ID_*" # by-id (hardware serial number) KERNEL=="hd*[!0-9]", IMPORT{program}="ata_id --export $tempnode" KERNEL=="hd*[!0-9]", ENV{ID_SERIAL}=="?*", SYMLINK+="disk/by-id/ata-$env{ID_MODEL}_$env{ID_SERIAL}" KERNEL=="hd*[0-9]", ENV{ID_SERIAL}=="?*", SYMLINK+="disk/by-id/ata-$env{ID_MODEL}_$env{ID_SERIAL}-part%n" KERNEL=="sd*[!0-9]|sr*", ENV{ID_SERIAL}!="?*", SUBSYSTEMS=="usb", IMPORT{program}="usb_id --export %p" KERNEL=="sd*[!0-9]|sr*", ENV{ID_SERIAL}!="?*", IMPORT{program}="scsi_id --export --whitelisted -d $tempnode", ENV{ID_BUS}="scsi" KERNEL=="cciss?c[0-9]d[0-9]*", ENV{ID_SERIAL}!="?*", IMPORT{program}="scsi_id --export --whitelisted -d $tempnode", ENV{ID_BUS}="cciss" KERNEL=="sd*[!0-9]|sr*|cciss?c[0-9]d[0-9]*", ENV{ID_SERIAL}=="?*", SYMLINK+="disk/by-id/$env{ID_BUS}-$env{ID_SERIAL}" KERNEL=="sd*[0-9]|cciss*p[0-9]*", ENV{ID_SERIAL}=="?*", SYMLINK+="disk/by-id/$env{ID_BUS}-$env{ID_SERIAL}-part%n" # firewire KERNEL=="sd*[!0-9]|sr*", ATTRS{ieee1394_id}=="?*", SYMLINK+="disk/by-id/ieee1394-$attr{ieee1394_id}" KERNEL=="sd*[0-9]", ATTRS{ieee1394_id}=="?*", SYMLINK+="disk/by-id/ieee1394-$attr{ieee1394_id}-part%n" # libata compat (ata-* links, like old hd* devices did create) KERNEL=="sd*[!0-9]|sr*", ENV{ID_VENDOR}=="ATA", PROGRAM="ata_id $tempnode", RESULT=="?*", ENV{ID_ATA_COMPAT}="$result", SYMLINK+="disk/by-id/ata-$env{ID_ATA_COMPAT}" KERNEL=="sd*[0-9]", ENV{ID_ATA_COMPAT}=="?*", SYMLINK+="disk/by-id/ata-$env{ID_ATA_COMPAT}-part%n" 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}" 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" # by-path (parent device path) ENV{DEVTYPE}=="disk", IMPORT{program}="path_id %p" ENV{DEVTYPE}=="disk", ENV{ID_PATH}=="?*", SYMLINK+="disk/by-path/$env{ID_PATH}" ENV{DEVTYPE}=="partition", ENV{ID_PATH}=="?*", SYMLINK+="disk/by-path/$env{ID_PATH}-part%n" # skip unpartitioned removable media devices from drivers which do not send "change" events ENV{DEVTYPE}=="disk", KERNEL!="sd*|sr*", ATTR{removable}=="1", GOTO="persistent_storage_end" # probe filesystem metadata of optical drives which have a media inserted KERNEL=="sr*", ENV{ID_CDROM_MEDIA_TRACK_COUNT}=="?*", IMPORT{program}="vol_id --export --skip-raid --offset=$env{ID_CDROM_MEDIA_SESSION_LAST_OFFSET} $tempnode" # probe filesystem metadata of disks KERNEL!="sr*", IMPORT{program}="vol_id --export $tempnode" # by-label/by-uuid links (filesystem metadata) ENV{ID_FS_USAGE}=="filesystem|other|crypto", ENV{ID_FS_UUID_ENC}=="?*", SYMLINK+="disk/by-uuid/$env{ID_FS_UUID_ENC}" ENV{ID_FS_USAGE}=="filesystem|other", ENV{ID_FS_LABEL_ENC}=="?*", SYMLINK+="disk/by-label/$env{ID_FS_LABEL_ENC}" LABEL="persistent_storage_end"