Thus, integrated NAS systems help organizations to collect and manage large volumes of information. Hardware includes storage Business Email List arrays or storage servers equipped with hard drives, flash drives, or a hybrid combination, and storage operating system software to provide array-based data services. Management software generally Business Email List still offers data protection tools to archive, clone information, manage and replicate snapshots, data reduction features (compression, duplication and thin provisioning) are also patterns in this array-based storage model . Direct Attached Storage (DAS) DAS are external devices connected Business Email List directly to the server . There are three basic network storage system designs of that model.
In its simplest configuration, direct-attached storage (DAS) is done with the internal hard drive of a PC. At an organizational level, DAS Business Email List can be a group of drives on a server or a group of external drives that connect Business Email List directly to the server through Small Computer System Interface (SCSI), Serial Attached SCSI (SAS), Fiber Channel (FC), or Internet SCSI (iSCSI). Storage Business Email List Area Network (SAN) A SAN is made up of storage units (storage racks) connected to a control unit which, in turn, is connected to the server . Therefore, it is made Business Email List up of HDs, switches, cables and a main server.
However, many companies choose to use two switches and more than one server to ensure the redundancy necessary to Business Email List protect stored data. A SAN can be designed to cover multiple data center locations that need high-performance storage. In that infrastructure, block devices appear to the host as locally attached storage, so Business Email List each server on the network can access the shared storage as if it were a direct-attached drive. How does that process work? In an electromechanical disk, bytes store blocks of data Business Email List within sectors. A hard drive is a circular platter coated with a thin layer of magnetic material .