access all the data.

In a normal state, you cannot add a disk to a RAID 0 or RAID 1 configuration. Any disk that you install will not be used unless you subsequently reconfigure the storage system.

Warning: Reconfiguring your storage system disks deletes all the data on your storage system.

However, if you currently have three disks and a RAID 5 configuration, you can add a fourth disk as a spare (essentially changing from RAID 5 to RAID 5 + spare while retaining all your existing data).

In a degraded state, you can add a disk to a RAID at any time, and the new disk will be rebuilt to replace the disk that was removed or failed.

Warning: If the RAID has failed—that is, if so many disks have failed or been removed that the RAID can no longer function—you must either re-install the disks or reconfigure the entire storage system, deleting all the data on your system.

Adding hard disks to a linear or normal RAID configuration

To add a hard disk to a linear or normal RAID configuration:

1.Insert the hard disk into the storage system. You can do this whether the storage system is powered on or off.

2.Access the Manager or refresh the browser window to open the Disk Change Notification page (Figure B-1).

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Freedom9 4020 user manual Adding hard disks to a linear or normal RAID configuration

4020 specifications

The Freedom9 4020 is a cutting-edge network interface device designed for a variety of applications, ranging from home use to small business environments. This versatile device is praised for its robust performance, extensive connectivity options, and user-friendly features, making it an excellent choice for those seeking a reliable network solution.

One of the standout characteristics of the Freedom9 4020 is its advanced wireless capabilities. It supports dual-band Wi-Fi, allowing users to connect to both 2.4 GHz and 5 GHz frequencies. This feature ensures optimal performance by minimizing interference and maximizing speed, making it ideal for high-bandwidth tasks such as streaming and gaming.

In terms of connectivity, the Freedom9 4020 is equipped with multiple Ethernet ports, enabling wired connections for devices that require stable and fast internet access. These ports support Power over Ethernet (PoE), which simplifies installation by eliminating the need for separate power supplies for each connected device. This is particularly beneficial in settings where devices like IP cameras or VoIP phones are deployed.

Another key feature is the device's support for advanced security protocols. The Freedom9 4020 utilizes WPA3 encryption, providing enhanced protection for connected networks. This is crucial in today’s environment, where cybersecurity threats are increasingly prevalent. The device also includes features like a built-in firewall and VPN support, enabling secure remote access for users.

The Freedom9 4020 is designed with scalability in mind. Organizations can seamlessly integrate it into existing networks and expand as their needs grow. This flexibility makes it suitable for various applications, from home automation systems to small business networks.

The user interface is intuitive, featuring a web-based management platform that allows users to monitor and control their network easily. This system provides real-time insights into network performance, making troubleshooting straightforward.

Overall, the Freedom9 4020 stands out as a versatile and powerful networking solution. With its robust wireless performance, extensive connectivity options, strong security features, and user-friendly interface, it meets the demands of modern users looking for reliability and efficiency in their network devices.