In comment #9, xnox says:
"(b) grab upstream mdadm.udev rules and drop them into
/etc/udev/rules.d/ with same file name as the one in /lib/udev/rules.d/"
Taking upstream as git://neil.brown.name/mdadm, it contains two udev
rules. Combining them in a way which matches the Ubuntu ones, I get the
differences pasted below.
Some of this seems reasonable, but what about the change from $tempnode
to $devnode? Would it be better just to change the ENV{ID_FS_TYPE} line
and leave everything else alone?
A google suggests that only very recent versions of udev have $devnode:
http://bugs.funtoo.org/browse/FL-720
Regards,
Brian.
--- udev-orig 2013-10-08 14:42:32.504173249 +0100
+++ udev-combined 2013-10-08 14:54:23.958998034 +0100
@@ -3,14 +3,14 @@
SUBSYSTEM!="block", GOTO="md_end"
# handle potential components of arrays (the ones supported by md)
-ENV{ID_FS_TYPE}=="linux_raid_member", GOTO="md_inc"
+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=="add", RUN+="/sbin/mdadm --incremental $devnode --offroot"
ACTION=="remove", ENV{ID_PATH}=="?*", RUN+="/sbin/mdadm -If $name --path
$env{ID_PATH}"
ACTION=="remove", ENV{ID_PATH}!="?*", RUN+="/sbin/mdadm -If $name"
@@ -27,11 +27,11 @@
# 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"
+TEST!="md/array_state", ENV{SYSTEMD_READY}="0", GOTO="md_end"
+ATTR{md/array_state}=="|clear|inactive", ENV{SYSTEMD_READY}="0", GOTO="md_end"
LABEL="md_ignore_state"
-IMPORT{program}="/sbin/mdadm --detail --export $tempnode"
+IMPORT{program}="/sbin/mdadm --detail --export $devnode"
ENV{DEVTYPE}=="disk", ENV{MD_NAME}=="?*",
SYMLINK+="disk/by-id/md-name-$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}"
@@ -40,7 +40,7 @@
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 $tempnode"
+IMPORT{builtin}="blkid"
OPTIONS+="link_priority=100"
OPTIONS+="watch"
ENV{ID_FS_USAGE}=="filesystem|other|crypto", ENV{ID_FS_UUID_ENC}=="?*",
SYMLINK+="disk/by-uuid/$env{ID_FS_UUID_ENC}"
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https://bugs.launchpad.net/bugs/1054948
Title:
dmraid broken for large drives
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