Create Post “disable-raid-on-ubiquiti-nvr/disable-raid-on-ubiquiti-nvr”

posts/disable-raid-on-ubiquiti-nvr/disable-raid-on-ubiquiti-nvr.md

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+---
+title: Disable RAID on Ubiquiti NVR
+date: 2024-12-08T04:49:00.000Z
+author: David Vasandani
+summary: Disable RAID on an UNVR using mdadm
+tags:
+  - post
+---
+I wanted to use my UNVR as a fileserver running MooseFS and it's recommended to disable RAID.
+
+```
+# unmount the volume
+$ umount /volume1
+
+# stop the array
+mdadm --stop /dev/md3
+
+# zero the data
+mdadm --zero-superblock /dev/sda5 /dev/sdb5 /dev/sdc5 /dev/sdd5
+
+# create a new linear array
+mdadm --create /dev/md3 --level=linear --raid-devices=4 /dev/sda5 /dev/sdb5 /dev/sdc5 /dev/sdd5
+
+# check the array
+mdadm --detail /dev/md3
+/dev/md3:
+           Version : 1.2
+     Creation Time : Sun Dec  8 04:15:53 2024
+        Raid Level : linear
+        Array Size : 78093217726 (74475.50 GiB 79967.45 GB)
+      Raid Devices : 4
+     Total Devices : 4
+       Persistence : Superblock is persistent
+
+       Update Time : Sun Dec  8 04:15:53 2024
+             State : clean 
+    Active Devices : 4
+   Working Devices : 4
+    Failed Devices : 0
+     Spare Devices : 0
+
+          Rounding : 0K
+
+Consistency Policy : none
+
+              Name : UNVR2:3  (local to host UNVR2)
+              UUID : c5cefdb3:ceb85edf:552fab96:a5caccd1
+            Events : 0
+
+    Number   Major   Minor   RaidDevice State
+       0       8        5        0      active sync   /dev/sda5
+       1       8       21        1      active sync   /dev/sdb5
+       2       8       37        2      active sync   /dev/sdc5
+       3       8       53        3      active sync   /dev/sdd5
+
+# format and mount the new array
+mkfs.ext4 /dev/md3
+mount /dev/md3 /volume1
+```