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Network-attached storage(NAS) can be defined as file level form of a storage server for computer data which is connected to a network of the computer to offer access to numerous client groups. NAS specifically is built to serve files by either its configuration, hardware or software. The systems contain multiple storage drives which are logically arranged and are redundant containers of storage or famous RAID. This type of storage does away with file serving responsibility from the other network servers. NAS drives offer files’ access through protocols like AFP, CIFS or SMB and NFS.

       1.Knowing your NAS

This means that you should figure out the number of disks the NAS drive has. Also, know the type of file systems on the disks and the running operating system in the storage. Mostly NAS storage runs on Linux but also there are ones running on windows. For Linux operating systems, the disks are more likely configured like MD-RAID Linux with Ext file system. If the drive runs on windows, the disks are more dynamic and compatible with NTFS and RAID5 windows software. In case you cannot figure out since its quite an important tip when operating with NAS storage, contact the manufacturer as they have the information. You can also search for it on the manufacturer’s web pages.

  2. Figure out how the disks are accessed

You cannot directly access NAS disks through the Windows which is running your computer. If its RAID recovery you should be able to directly accesses the disks and you should figure out how that can be done. Many of the NAS disks contain not that option of direct access and hence for such service you need to connect directly the disks to your computer. You can do this by putting in a USB enclosure all the disks then you now connect the USB drive to your computer which will then undertake the recovery. Although this works, it’s not advisable but rather you should connect the NAS disks directly as much as possible. Therefore, for instance, if the NAS disks are SATA disks you should then connect it to a computer with sufficient SATA ports.

      3. Knowing the disks’ states

NAS tend to have a common problem of power outage unexpectedly which makes the disks not visible anymore. Through such error, disks can be damaged physically. Therefore, in case you are doing a recovery on those disks ensure before beginning that the NAS disks state wise are in the best health condition. To establish this, you can either run a SMART diagnosis or check the surface of the disk.

In case the disks have issues you also decide on how to continue. For small problems such as less read errors you can proceed. But if the disks are not in so good state, clone them before recovery.

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