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--- linux:centos:software-raid1-setup [2020/04/14 09:40] – odefta
+++ linux:centos:software-raid1-setup [2020/04/22 20:58] – odefta
@@ Line 108: / Line 108: @@
 </code>
+==== Replace a failed hard disk in raid setup ====
+Suppose the /dev/sdb hard disk failed. \\
+To replace it with a good hdd, set it as failed and remove it from raid array:
+<code>
+mdadm /dev/md0 --fail /dev/sdb --remove /dev/sdb
+</code>
+Add the new device to the array:
+<code>
+mdadm --add /dev/md0 /dev/sdb1
+</code>