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1 Introduction
The freeStor 4020 is an intelligent network storage solution for small office, medium office, and
home network environments. The freeStor 4020 features an integrated file server with system
backup, system recovery, and managed shared files by user names or groups. The freeStor
4020 can connect to a Gigabit Ethernet network and can support up to 4 3.5” SATA (serial
advanced technology attachment) hard disk drives (HDD). Its high performance is ideal for
protecting valuable company data, and quickly restoring files from a backup. The freeStor
4020 offers a convenient graphical web user interface, and provides security by limiting
access to shared folders by user or group level authentication.
The freeStor 4020 provides a complete and advanced data backup/protection solution
including RAID and DiskSafe Express (DSE). The freeStor 4020 supports standard RAID
levels 0, 1, 5 and 10. DSE is a powerful function to provide entire system backup and
recovery for clients running Windows 2000, Windows XP or Windows Server 2003 in the event
of hard disk failure in the client.
1.1 Terminology
For clarity, the OS X operating system will be referred to as “OS X” and Mac 9.0 and earlier
operating systems will be referred to as “Mac” throughout the manual.
1.2 System Benefits and Key Features
• Music, Video, and Data file sharing among Windows, Linux, Unix and Macintosh users with
username and password protected and managed access.
• Can act as a DHCP server or DHCP client for easy network configuration.
• Easy file sharing management via a user-friendly graphical web interface.
• Setup wizard for easy initial configuration.
• DSE provides system and data backup, remote boot and system and data restoration for
Windows 2000, Windows XP and Windows Server 2003 clients.
• Built-in FTP server provides convenient high-speed file transfers.
• System software upgrade via web interface.
• RAID 0, 1, 5, and 10 support.
• System information for disk usage, service status, RAID, system log and current