initial commit

README.rename-array

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+# ---
+# - Rename /dev/md126 to /devmd2
+# ---
+
+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
+
+# - Make the changes known to initramfs
+# -
+update-initramfs -u -k all