Adjust some README files..

README.mdadm

@@ -166,14 +166,74 @@ mdadm --monitor --test -1 </dev/md?>
 mdadm -D </dev/md?>
 
 
-# ---
+
+# =====
 # - MBR-Partitionstabelle sichern und wiederherstellen
-# ---
+# =====
 
 ## - Save partitiontable
 ## -
 sfdisk -d /dev/sdb > partitions.sdb.txt
 
-## - Rrestore partitiontable
+## - Restore partitiontable
 ## -
 cat partitions.sdb.txt | sfdisk /dev/sdb
+
+## - oder
+## -
+sfdisk /dev/sdb < partitions.sdb.txt
+
+
+# =====
+# - Restore (replicate) partition table on /dev/sdb (defet device) from /dev/sda (undemaged device)
+# =====
+
+## - Replicate GPT partition scheme from /dev/sda to /dev/sdd (useful for RAID array rebuild)
+## -
+## -    !! Faulty device: /dev/sdb !!
+## -
+sfdisk -d /dev/sda | sfdisk /dev/sdb
+
+## - oder (force)
+## -
+sfdisk -d /dev/sda | sfdisk -f /dev/sdb
+                               ^^^^^^^^
+                               faulty device
+
+
+
+# =====
+# - GPT Partitionstabelle sichern und wiederherstellen
+# =====
+
+## - Save partitiontable
+## -
+## -    sgdisk --backup={/path/to/file} {/dev/device/here}
+## -
+sgdisk --backup=/root/partitions.sdg.txt /dev/sdg
+
+
+## - Restore partitiontable
+## -
+## -    sgdisk --load-backup={/path/to/file} {/dev/device/here}
+## -
+sgdisk --load-backup=/root/partitions.sdg.txt /dev/sdg
+
+
+# =====
+# - Restore (replicate) partition table on /dev/sdg (defet device) from /dev/sdd (undemaged device)
+# =====
+
+## - Replicate GPT partition scheme from /dev/sda to /dev/sdd (useful for RAID array rebuild)
+## -
+## -    !! Faulty device: /dev/sdg !!
+## -
+sgdisk -R /dev/sdg /dev/sdd
+          ^^
+          faulty device
+
+## - Anschließend neue zufällig GUID vergeben
+## -
+sgdisk -G /dev/sdd
+
+

README.rename-array

@@ -2,12 +2,19 @@
 # - Rename /dev/md126 to /devmd2
 # ---
 
+# Check which devices are involved in the /dev/md5 array
+#
+cat /proc/mdstat
+
+unount /dev/md126
 mdadm --stop /dev/md126
 mdadm --assemble --update=name --name=<HOSTNAME>:2 /dev/md2 /dev/sdc1 /dev/sdd1 /dev/sde1 /dev/sdf1
 
 # - Take care /etc/mdadm/mdadm.conf is up-to-date
 # -
-mdadm --examine --scan --config=mdadm.conf
+# - Adjust /etc/mdadm/mdadm.conf if needed
+# -
+mdadm --examine --scan
 
 # - Make the changes known to initramfs
 # -

README.replace-device-in-array

@@ -34,13 +34,6 @@
 
          ## - !! Defekte Platte: /dev/sdb !!
          ## -
-
-         dd if=/dev/sda of=/dev/sdb count=1 bs=512   # falls die Platte /dev/sdb
-                           ^^                        # ausgetauscht wurde
-                           defekte Platte
-
-         ## - oder alternativ
-         ## -
          sfdisk -d /dev/sda | sfdisk /dev/sdb
                                      ^^
                                      defekte Platte