raid_restore.sh: rewrite via /dev/md* listing

hdd/raid_restore.sh

+#!/bin/sh
 
-get_array_uuid()
+# TODO: mdadm --assemble --scan -v
+
+# device as param (/dev/sdb2)
+get_array_uuid_by_device()
 {
     local dev="$1"
     # "Array UUID for 1.2 and UUID for 0.9"
     mdadm -E $dev | grep " UUID : " | head -n1 | sed -e "s|.* UUID : ||"
 }
 
+# /dev/md1
+get_array_uuid_by_md()
+{
+    mdadm -D "$1" | grep "UUID : " | sed -e "s|.* UUID : ||"
+}
+
+get_device_list_by_uuid()
+{
+    local UUID="$(echo $1 | sed -e 's|:||g')"
+    blkid /dev/sd* | sed -e 's|-||g' | grep "/dev/sd[a-z].*: UUID=\"$UUID\"" | sed -e "s|:.*||"
+}
+
 get_md_by_uuid()
 {
+    local md
+    for md in /dev/md* ; do
+        mdadm -D $md | grep -q "UUID : $1" && echo "$md" && return
+    done
     #ARRAY /dev/md/1  metadata=1.2 UUID=1912da86:6089954c:2aead1ca:77f06477 name=azbykar.localdomain:1
-    # TODO: use  UUID: in mdadm -D /dev/md?
     local STRUUID=$(grep "UUID=$1" /etc/mdadm.conf)
     [ -n "$STRUUID" ] && echo "$STRUUID" | cut -d" " -f 2 && return
     echo "can't grep UUID=$1 in /etc/mdadm.conf" >>$0.log
@@ -53,11 +72,32 @@ for dev in /dev/sd? ; do
 done
 fi
 
-DEVS="/dev/sd*"
+DEVS="/dev/sd[a-z]*"
+MDS="/dev/md[0-9]*"
 [ -n "$1" ] && DEVS="$*"
+echo "$1" | grep -q "/dev/md" && MDS="$*"
+
+echo "List by $(echo $MDS) ..."
+for md in $MDS ; do
+    ARRAYUUID=$(get_array_uuid_by_md $md)
+    STATUS="$(get_dm_status $md)"
+    echo "$md UUID: $ARRAYUUID status: $STATUS"
+    [ -n "$ARRAYUUID" ] || echo "!!! cant' get UUID for $md"
+
+    echo "$STATUS" | grep -q "degraded" || continue
+    for dev in $(get_device_list_by_uuid $ARRAYUUID) ; do
+        [ -r $dev ] || continue
+        echo "$STATUS" | grep -q "recovering" && echo "Skip $md, already recovering ..." && continue
+        echo "Restore degrated $md ..."
+        # TODO: --readwrite for SSD
+        mdadm $md --add $dev
+    done
+done
 
+if false ; then
+echo "List by $(echo $DEVS) ..."
 for dev in $DEVS ; do
-    ARRAYUUID=$(get_array_uuid $dev)
+    ARRAYUUID=$(get_array_uuid_by_device $dev)
     if [ -n "$ARRAYUUID" ] ; then
         MDDEV=$(get_md_by_uuid $ARRAYUUID) || MDDEV=''
     else
@@ -76,6 +116,7 @@ for dev in $DEVS ; do
         mdadm $MDDEV --add $dev
     fi
 done
+fi
 
 if [ -z "$1" ] ; then
 echo