udev-md-raid.rules

# do not edit this file, it will be overwritten on update

SUBSYSTEM!="block", GOTO="md_end"

# handle potential components of arrays (the ones supported by md)
ENV{ID_FS_TYPE}=="ddf_raid_member|isw_raid_member|linux_raid_member", GOTO="md_inc"
GOTO="md_inc_skip"

LABEL="md_inc"

# remember you can limit what gets auto/incrementally assembled by
# mdadm.conf(5)'s 'AUTO' and selectively whitelist using 'ARRAY'
ACTION=="add", RUN+="/sbin/mdadm --incremental $tempnode"
ACTION=="remove", ENV{ID_PATH}=="?*", RUN+="/sbin/mdadm -If $name --path $env{ID_PATH}"
ACTION=="remove", ENV{ID_PATH}!="?*", RUN+="/sbin/mdadm -If $name"

LABEL="md_inc_skip"

# handle md arrays
ACTION!="add|change", GOTO="md_end"
KERNEL!="md*", GOTO="md_end"

# partitions have no md/{array_state,metadata_version}, but should not
# for that reason be ignored.
ENV{DEVTYPE}=="partition", GOTO="md_ignore_state"

# container devices have a metadata version of e.g. 'external:ddf' and
# never leave state 'inactive'
ATTR{md/metadata_version}=="external:[A-Za-z]*", ATTR{md/array_state}=="inactive", GOTO="md_ignore_state"
TEST!="md/array_state", GOTO="md_end"
ATTR{md/array_state}=="|clear|inactive", GOTO="md_end"
LABEL="md_ignore_state"

IMPORT{program}="/sbin/mdadm --detail --export $tempnode"
ENV{DEVTYPE}=="disk", ENV{MD_NAME}=="?*", SYMLINK+="disk/by-id/md-name-$env{MD_NAME}", OPTIONS+="string_escape=replace"
ENV{DEVTYPE}=="disk", ENV{MD_UUID}=="?*", SYMLINK+="disk/by-id/md-uuid-$env{MD_UUID}"
ENV{DEVTYPE}=="disk", ENV{MD_DEVNAME}=="?*", SYMLINK+="md/$env{MD_DEVNAME}"
ENV{DEVTYPE}=="partition", ENV{MD_NAME}=="?*", SYMLINK+="disk/by-id/md-name-$env{MD_NAME}-part%n", OPTIONS+="string_escape=replace"
ENV{DEVTYPE}=="partition", ENV{MD_UUID}=="?*", SYMLINK+="disk/by-id/md-uuid-$env{MD_UUID}-part%n"
ENV{DEVTYPE}=="partition", ENV{MD_DEVNAME}=="*[^0-9]", SYMLINK+="md/$env{MD_DEVNAME}%n"
ENV{DEVTYPE}=="partition", ENV{MD_DEVNAME}=="*[0-9]", SYMLINK+="md/$env{MD_DEVNAME}p%n"

IMPORT{program}="/sbin/blkid -o udev -p $tempnode"
OPTIONS+="link_priority=100"
OPTIONS+="watch"
ENV{ID_FS_USAGE}=="filesystem|other|crypto", ENV{ID_FS_UUID_ENC}=="?*", SYMLINK+="disk/by-uuid/$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="md_end"