name : 11-dm-parts.rules # Rules for partitions created by kpartx KERNEL!="dm-*", GOTO="dm_parts_end" ACTION!="add|change", GOTO="dm_parts_end" ENV{DM_UUID}!="part[0-9]*", GOTO="dm_parts_end" # We must take care that symlinks don't get lost, # even if blkid fails in 13-dm-disk.rules later. # # Fixme: we have currently no way to avoid calling blkid on # partitions of broken mpath maps such as DM_NOSCAN. # But when partition devices appear, kpartx has likely read # the partition table shortly before, so odds are not bad # that blkid will also succeed. IMPORT{db}="ID_FS_USAGE" IMPORT{db}="ID_FS_UUID_ENC" IMPORT{db}="ID_FS_LABEL_ENC" IMPORT{db}="ID_PART_ENTRY_NAME" IMPORT{db}="ID_PART_ENTRY_UUID" IMPORT{db}="ID_PART_ENTRY_SCHEME" # Maps should take precedence over their members. ENV{DM_UDEV_LOW_PRIORITY_FLAG}!="1", OPTIONS+="link_priority=50" # Set some additional symlinks that typically exist for mpath # path members, too, and should be overridden. # # kpartx_id is very robust, it works for suspended maps and maps # with 0 dependencies. It sets DM_TYPE, DM_PART, DM_WWN IMPORT{program}=="kpartx_id %M %m $env{DM_UUID}" # DM_TYPE only has a reasonable value for partitions on multipath. ENV{DM_UUID}=="*-mpath-*", ENV{DM_TYPE}=="?*", ENV{DM_SERIAL}=="?*" \ SYMLINK+="disk/by-id/$env{DM_TYPE}-$env{DM_SERIAL}-part$env{DM_PART}" ENV{DM_WWN}=="?*", ENV{DM_PART}=="?*", \ SYMLINK+="disk/by-id/wwn-$env{DM_WWN}-part$env{DM_PART}" LABEL="dm_parts_end"