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: /usr/share/mdadm/ [ drwxr-xr-x ]
name : mkconf #!/bin/sh # # mkconf -- outputs valid mdadm.conf contents for the local system # # Copyright © martin f. krafft <madduck@madduck.net> # distributed under the terms of the Artistic Licence 2.0 # set -eu ME="${0##*/}" MDADM=/sbin/mdadm DEBIANCONFIG=/etc/default/mdadm CONFIG=/etc/mdadm/mdadm.conf # initialise config variables in case the environment leaks MAILADDR= DEVICE= HOMEHOST= PROGRAM= test -r $DEBIANCONFIG && . $DEBIANCONFIG if [ -n "${MDADM_MAILADDR__:-}" ]; then # honour MAILADDR from the environment (from postinst) MAILADDR="$MDADM_MAILADDR__" else # preserve existing MAILADDR MAILADDR="$(sed -ne 's/^MAILADDR //p' $CONFIG 2>/dev/null)" || : fi # save existing values as defaults if [ -r "$CONFIG" ]; then DEVICE="$(sed -ne 's/^DEVICE //p' $CONFIG)" HOMEHOST="$(sed -ne 's/^HOMEHOST //p' $CONFIG)" PROGRAM="$(sed -ne 's/^PROGRAM //p' $CONFIG)" fi [ "${1:-}" = force-generate ] && rm -f $CONFIG case "${1:-}" in generate|force-generate) [ -n "${2:-}" ] && CONFIG=$2 # only barf if the config file specifies anything else than MAILADDR if egrep -qv '^(MAILADDR.*|#.*|)$' $CONFIG 2>/dev/null; then echo "E: $ME: $CONFIG already exists." >&2 exit 255 fi mkdir --parent ${CONFIG%/*} exec >$CONFIG ;; esac cat <<_eof # mdadm.conf # # !NB! Run update-initramfs -u after updating this file. # !NB! This will ensure that initramfs has an uptodate copy. # # Please refer to mdadm.conf(5) for information about this file. # # by default (built-in), scan all partitions (/proc/partitions) and all # containers for MD superblocks. alternatively, specify devices to scan, using # wildcards if desired. #DEVICE ${DEVICE:-partitions containers} # automatically tag new arrays as belonging to the local system HOMEHOST ${HOMEHOST:-<system>} # instruct the monitoring daemon where to send mail alerts MAILADDR ${MAILADDR:-root} _eof if [ -n "${PROGRAM:-}" ]; then cat <<-_eof # program to run when mdadm monitor detects potentially interesting events PROGRAM ${PROGRAM} _eof fi error=0 if [ ! -r /proc/mdstat ]; then echo W: $ME: MD subsystem is not loaded, thus I cannot scan for arrays. >&2 error=1 elif [ ! -r /proc/partitions ]; then echo W: $ME: /proc/partitions cannot be read, thus I cannot scan for arrays. >&2 error=2 else echo "# definitions of existing MD arrays" if ! $MDADM --examine --scan --config=partitions; then error=$(($? + 128)) echo W: $ME: failed to scan for partitions. >&2 echo "### WARNING: scan failed." else echo fi fi echo "# This configuration was auto-generated on $(date -R) by mkconf" exit $error