In a NAS, the storage devices are directly connected to a file server that makes the storage available at file-level to the other computers. In a SAN, the storage is made available at a lower "block-level," leaving file system concerns to the "client" side. SAN protocols include Fibre Channel, iSCSI, ATA over Ethernet (AoE) and HyperSCSI. The key difference between DAS and NAS is that DAS storage does not incorporate any network hardware and related operating environment to provide a facility to share storage resources independently of the host so is only available via the host to which the DAS is attached.
The key difference between a clustered and traditional NAS is the ability to distribute[citation needed] (e.g. stripe) data and metadata across the cluster nodes or storage devices. Clustered NAS, like a traditional one, still provides unified access to the files from any of the cluster nodes, unrelated to the actual location of the data.
Direct Attached Storage (External Drive) connect directly to the computer. It can be a USB flash drive or connected with a USB, USB-C, Thunderbolt, or FireWire cable. External Desktop Drives have a power supply. They can be connected to a laptop. Other computers on the network cannot connect to it. storage area network (SAN): A storage-area network (SAN) is a dedicated high-speed network (or subnetwork ) that interconnects and presents shared pools of storage devices to multiple servers . Select one O a iSCSI O b: Fibre Channel over Ethernet Oc Multi-Protocol Label Switching (MPLS) Od Ethernet Which statement would identify the primary difference between NAS and DAS? Select one O a NAS cannot be shared and accessed by multiple computers Ob DAS provides fault tolerance O DAS does not connect to networked storage devices d NAS A SAN is a network of storage devices that can be accessed by multiple servers or computers. It provides a shared pool of storage space. Each computer on the network can access the storage on the SAN as though they were local disks connected directly to the computer. SAN uses SCSI and SATA protocols. NAS are storage devices that are linked to a
SAN vs. NAS SAN technology is similar but distinct from network attached storage (NAS) technology. While SANs traditionally employ low-level network protocols for transferring disk blocks, a NAS device typically works over TCP/IP and can be integrated fairly easily into home computer networks. Nas and san - Download as a PDF or view online for
Any other definition is wrong. SAN = Block-level storage, NAS = File-level storage. If the device can do both (SAN/NAS), it's called a NAS if it's low-end (since most NAS-only devices are low-end) or a SAN if it's high-end. Glad you're up the top, because you're the most correct by far. srL3Q3U.
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    • difference between nas and das