From 4a32eb94f2965bedfff2b10b844ba9cd21185a5e Mon Sep 17 00:00:00 2001
From: Erich Eckner <git@eckner.net>
Date: Wed, 30 Jun 2021 21:27:08 +0200
Subject: print-status: pin raid positions

---
 print-status | 51 +++++++++++++++++++++++++++++++++++++++++++--------
 1 file changed, 43 insertions(+), 8 deletions(-)

diff --git a/print-status b/print-status
index 1a7a004..d60d58d 100755
--- a/print-status
+++ b/print-status
@@ -2,6 +2,39 @@
 
 . /etc/print-status.conf
 
+pin_md() {
+  while read -r md rest; do
+    md_new="${md}"
+    if [ -z "${md_new##*:}" ]; then
+      md_new="${md_new%:}"
+    fi;
+    if [ -z "${md_new%%md*}" ] && [ -b "/dev/${md_new}" ]; then
+      uuid=$(
+        mdadm --detail "/dev/${md_new}" \
+        | awk '$1 == "UUID" {print $3}'
+      );
+      if [ -n "${uuid}" ]; then
+        md_new=$(
+          sed '
+            / UUID='"${uuid}"'$/ !d
+            s@^ARRAY\s\+/dev/\(md[0-9]\+\)\s\+.*$@\1@
+            t
+            d
+          ' /etc/mdadm.conf
+        )
+      fi
+    fi
+    if [ -z "${md_new}" ]; then
+      md_new="${md%:}"
+    fi
+    printf '%s %s' "${md_new}" "${md}"
+    if [ -n "${rest}" ]; then
+      printf ' %s' "${rest}"
+    fi
+    printf '\n'
+  done
+}
+
 {
   find /dev/mapper -mindepth 1 -maxdepth 1 \( -name 'leg*' -o -name 'foot*' \) -printf '%f\n' \
   | sort -u \
@@ -16,24 +49,26 @@
       p
     }
   ' /proc/mdstat \
-  | sed 's@^md\([0-9]\+\):@\1 \0@' \
+  | pin_md \
+  | sed 's@^md\([0-9]\+\) @\1 \0@' \
   | sort -k1n,1 \
-  | sed 's@^\S\+ @@'
+  | sed 's@^\S\+ \(\S\+\) \S\+ @\1: @'
   find /sys/block/ -mindepth 1 -maxdepth 1 -name 'md*' -printf '%f\n' \
+  | pin_md \
   | sed 's@^md@@' \
   | sort -n \
-  | while read -r md; do
+  | while read -r md_p md; do
     printf 'md%s: %s' \
-      "${md}" \
+      "${md_p}" \
       "$(
         sed '
-          s/^clean$/active/
-        ' "/sys/block/md${md}/md/array_state" \
+          s/^clean$\|^write-pending$/active/
+        ' "/sys/block/${md}/md/array_state" \
         | tr -d '\n'
       )"
-    if [ -f "/sys/block/md${md}/md/mismatch_cnt" ]; then
+    if [ -f "/sys/block/${md}/md/mismatch_cnt" ]; then
       printf ' '
-      cat "/sys/block/md${md}/md/mismatch_cnt"
+      cat "/sys/block/${md}/md/mismatch_cnt"
     else
       printf '\n'
     fi
-- 
cgit v1.2.3