What is an NAS devise?
A Network Attached Storage device is file-level computer data storage connected to a computer network providing data access to a heterogeneous group of clients. NAS not only operates as a file server, but is specialized for this task either by its hardware, software, or configuration of those elements. NAS is often manufactured as a computer appliance – a specialized computer built from the ground up for storing and serving files – rather than simply a general purpose computer being used for the role.
What is the speed of the network adapter available on a NAS device?
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A board that has six SATA ports can be replicated allowing for thirty drives to be attached, if 3TB drives are used in RAID 50 that would be 72TB of storage.
Is there any fault tolerance (such as RAID) built into a NAS device?
If set up correctly RAID 50 is fairly stable, RAID 10 has been touted as one of the best set ups because more drives can fail at one time with having data loss.
Are management features available?
Here are some management features available on a NAS device. Consider using SSL to protect the Web management interface a bare minimum. Support of protocols such as SSH for encryption of RSYNC data transfers would be excellent. SMB’s with more than two dozen users will appreciate a proper management console from which users and permissions can be managed. SMB’s that have deployed Active Directory will be looking for a NAS that supports it as well.
Advanced models can switch off when not in use to save power. ISCSI support. Also has the ability to sync with or back up another NAS. Support for synchronizing with Cloud support.
The benefits of having an NAS device are that you can have multiple computers access it, and at a faster rate than an external Hard Drive. NAS is a standalone device. Also if you have music, pictures or videos it’s a lot safer to store them on an NAS device because even if a drive fails the data will be saved on one of the other drives. (If set up in RAID). It’s also easy to add more drives for storage.