MDADM report generation

mdadm-report.sh

#!/usr/bin/env bash
set -euo pipefail

REPORT_FOLDER=/tmp/mdadm-report
REPORT_FILE=/tmp/mdadm-report.txt

MD_ARRAY=$(cat /proc/mdstat | grep -o 'md[0-9]\+')
ARRAY_DEVICES=$(lsblk --json | jq --arg md_array "$MD_ARRAY" -r '.blockdevices[] | select(.children[0].name == $md_array) | .name')

rm -rf $REPORT_FOLDER $REPORT_FILE
mkdir -p $REPORT_FOLDER

sudo mdadm --detail /dev/$MD_ARRAY >"$REPORT_FOLDER"/"$MD_ARRAY"-detail.txt

for device in $ARRAY_DEVICES; do
    sudo smartctl -a /dev/$device >"$REPORT_FOLDER/smartctl-$(basename $device)"
done

more $REPORT_FOLDER/* >$REPORT_FILE

echo report generated at $REPORT_FILE