Differences

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--- mdadm [2023/11/18 07:47] – [Speed Change Script Demo] norman
+++ mdadm [2025/06/20 11:25] (current) – [“not enough to start the array” – error while staring mdadm RAID array] norman
@@ Line 1: / Line 1: @@
 ====== Mdadm Helpers ======
+*************
+===== Debian Disable/Enable Raid Monthly Checks =====
+<code>dpkg-reconfigure mdadm</code>
+or edit cron job
+<code>nano /etc/cron.d/mdadm</code>
+[[https://askubuntu.com/questions/1304738/mdadm-checking-raid-5-array-after-each-restart|External Link]]
 ===== How do I replace a disk marked as removed from a linux md raid-5 array =====
@@ Line 28: / Line 42: @@
  Assemble the pre-existing array:
 <code>mdadm -A -f /dev/md0</code>
+RUN raid 1 with one disk:
+<code>
+mdadm --run /dev/md126
+</code>
+Then Add disk:
+<code>
+mdadm --manage /dev/md126 --add /dev/sdf4
+</code>
 ====== Test Email Settings ======
@@ Line 54: / Line 79: @@
 Removing the spares=1 option or just recreating the mdadm.conf from scratch fixes the problem:
+====== **Update MDADM config file** ======
 <code>/usr/share/mdadm/mkconf > /etc/mdadm/mdadm.conf.copy</code>
@@ Line 59: / Line 87: @@
 Double check new configuration ad then save as mdadm.conf
+====== **Just in case** ======
+Run <code>update-initramfs -u</code>
 ====== Speed Up or Slow Down Raid rebuild ======

Manuals