Unmount RAID Disk using Mdadm

Once you're done with the RAID partitions and closed all the upper partition layers for stopping RAID mounting. This section guides you on how to unmount RAID disks using mdadm.

Unmount all Upper Partition Schemes

Before you stop the RAID disk, you must unmount and disconnect any upper layer partition scheme. Otherwise, the effect can be catastrophic if mdadm fails to stop you from dangerous unmount.

Stopping RAID Disk

Once done, you may stop the disk by the command against the RAID disk partition devices such as:

$ mdadm --stop /dev/md<raidID>

One example would be:

$ mdadm --stop /dev/md127

OR:

$ mdadm --stop /dev/md/m9

That's all for stopping RAID Disk.