direct attached storage

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direct attached storage

Disk drives and SSDs contained within the computer cabinet and connected to the CPU via PCI or some other peripheral bus. Desktop computers and most servers have direct attached storage (DAS). Contrast with "storage area network" (SAN), which extends direct attached storage to external disk arrays shared by many servers. Also contrast with "network attached storage" (NAS), which adds file storage on the network. See block level, SAN, NAS and RAID.


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We see a strong market direction toward high-performing NVMe storage devices for data-intensive applications that deliver the performance benefits of direct-attached storage while enabling these SSDs to be shared over standard networks throughout the enterprise, said Denise Shiffman, chief product officer at DriveScale.
storage options are available, including Direct-Attached Storage (DAS),
The 8-bay, direct-attached storage enclosure offers reliable, speedy connectivity with two Thunderbolt ports that allows for daisy-chaining of other peripherals, offering great scalability.
It facilitates access to files through mobile devices that are connected to NAS appliances and offers high-performance storage compared to DAS (direct-attached storage) and external hard drives.
The network-attached storage segment grew by 10.9 percent, while storage area network and direct-attached storage increased by only 1.6 percent, according to Gartner.
This transaction would bring a highly complementary set of capabilities to Seagate, significantly expand our consumer product offerings, add a premium-branded direct-attached storage line, strengthen our network-attached storage business line and enhance our capabilities in software development," said Steve Luczo, Seagate chairman, president and CEO.
Fiber channel continued to be mainstream in the second-quarter by generating some 59.7% of overall revenue, followed by network-attached storage (NAS) with 19.1% share, as well as ICSCI (Internet Small Computer System), DAS (Direct-attached storage), SAS (Serial Attached SCSI), SAN (storage area network), and ESCON (Enterprise System Connection Architecture) /FICON (Fiber connectivity).
Available in capacities of 100GB, 200GB, and 400GB, the MKx001GRZB family is designed for ease of integration into new or existing tier-0 enterprise storage systems and designs, including servers, direct-attached storage and network-attached storage.
It adds rich media-handling capabilities, cloud-friendliness and the ability to interchangeably use the NAS storage medium as direct-attached storage without losing metadata.
The LSI(TM) SAS 9200 series HBAs, based on the LSISAS2008 6Gb/s SAS controller IC, offer new levels of performance and scalability for internal and external direct-attached storage deployments using SATA and SAS disk drives.
Earlier this month, the company announced that its IOV switches support Ethernet, SAS/SATA and Fibre Channel, providing servers with connectivity to local area networks (LAN), and the storage infrastructures, including direct-attached storage (DAS) and storage area networks (SAN).

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