Direct Attached Storage

Direct attached storage das also called direct attach storage is digital storage that is attached directly to a computer or a server.

Direct attached storage.

Security issues as with all storage systems that host an organization s critical applications and data security is a prime concern. 2 x sata 2 x bay processor. Direct attached storage das refers to a digital storage system directly attached to a server or workstation without a network in between a typical das system is made of a data storage device for example enclosures holding a number of hard disk drives connected directly to a computer through a host bus adapter which in the past used to be scsi but these days more often esata sas or. Direct attached storage das is a dedicated digital storage device attached directly to a server or pc via a cable.

Furthermore direct attached storage often lacks many of the more advanced storage management features common to nas devices and sans such as remote replication and snapshots. This could be as simple as an external hard drive and it s the opposite of network storage where workstations and servers connect through a network. Network attached storage examples of das include hard drives solid state drives optical disc drives and storage on external drives the name das is a retronym to contrast with storage area network san and network attached storage. Direct attached storage is a fairly basic low maintenance low cost solution where the storage system is a part of the actual host computer or connected directly to the host computer.

The most familiar example of das is the internal hard drive in a laptop or desktop pc. The best das systems products with jbod storage expansion units for thinkserver system x blade servers. 1 x type c usb 3 1 gen 2 hdd interface. In other words das isn t part of a storage network.

Amazon s choice for direct attached storage qnap tr 004 4 bay hard drive enclosure direct attached storage das with hardware raid usb 3 2 gen 1 type c 4 2 out of 5 stars 115. Advanced technology attachment ata serial advanced technology attachment sata esata small computer system interface scsi serial attached scsi sas and fibre channel are the main protocols used for das connections. In practice the phrase direct attached storage is used most often. Micro processor with hardware raid model.