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Back to Basics: DAS

Overview

What is DAS? Well, you are working with it right now. DAS is an acronym for ‘Direct Attached Storage’ and was the first type of data storage solution. Unlike other forms of storage that connect over a network, DAS is directly connected to a server or PC by a cable. Not all devices in an IT infrastructure can directly interface with the storage device, but those that do must access it through the device directly connected to the storage system. This process of accessing the data is why we say DAS stores data in data islands. So how are you using a DAS device right now? One of the most prevalent DAS devices is the storage drive in your PC. If someone else wants to access your information, their device must interface with your device to use that data. If you are viewing this article on any device with internal storage, like a PC, you are using a DAS system right now.For drives, DAS devices are either hard disks or solid-state. For Fibre Channel protocols, DAS mainly uses SATA, eSATA, SCSI, and Serial Attached SCSI.

Pros of DAS

There are multiple reasons why DAS might be a good solution for your IT storage problems. Here are just a few of the most common reasons why DAS is a viable option:

  • Scalability of storage capacity.
  • No Network setup is required and related complications are eliminated.
  • Better Data Security and Fault tolerance compared to NAS & SAN
  • High Performance

Cons of DAS:

  • Lower availability of data compared to NAS & SAN.

Who is DAS best suited for

DAS is a great solution for smaller companies. Low maintenance and a simple design make DAS devices easy to control, while their “plug and play” ability allows for speedy setup and installation. For companies with a finite amount of data, DAS is a good option. DAS is best suited for companies who mainly need local data sharing and have limited IT support for complex system maintenance. Das is not the right option for companies with larger data requirements. Data requirements are not necessarily based on the size of the company, as in the number of employees or customers, but on the type of product sold. For example, photos and videos require more storage than text-based files, even if they are only from your marketing and media department. Usually, companies with large data storage requirements need multiple users to be able to access the data and collaborate. While you may still have a purpose for a DAS configuration, if you are with an organization with heavier data requirements like described above, consider a NAS or SAN device for your primary storage.

Why Choose DAS?

A DAS device provides plenty of benefits and reasons to use it, but is it right for you? The answer depends on you and your organization's storage needs and plans. Even if DAS is not ideal for your primary storage, it may still make a great secondary option.At thomastech, we have solutions for all of your data storage needs, regardless of whether it is DAS, NAS, or SAN. We have a large quantity of SSDs and disk drives ready to upgrade, maintain, or replace your current drives and storage configurations. We offer 24/7/365 support to keep your data moving and storage safe (based on SLA and SLA customizations). To learn more about how thomastech can help you resolve your data storage needs, call (330) 225-3117 or visit: https://thomastechllc.com/third-party-tech-support/ today!

Hitachi VSP 5600

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The Hitachi Virtual Storage Platform 5000 series is a data storage solution for enterprises that supports block, file, and mainframe applications. It includes the Hitachi Ops Center management software suite for efficiency, data security, enhanced analytics, and centralised administration. The VSP series 5000 have Max. Number of drivers, including spares- 33 NVMe SCM, 96 NVMe and 768 SFF SSD. To accommodate up to 33 million IOPS and 69PB of data, Hitachi Accelerated Fabric can scale from twin controllers with quad CPUs to 12 controllers with 24 CPUs. It has a lightning-fast 39μs Minimum Response Time. Due to the controller architecture, scaling up the system results in a more resilient solution and provides 99.999999 per cent data availability. Additionally, the platform supports various media types combined on the same storage platform, including SAS FMD, SSD, HDD to NVMe SSD, and SCM media.

Hitachi VSP 5200

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The Hitachi Virtual Storage Platform 5000 series is a data storage solution for enterprises that supports block, file, and mainframe applications. It includes the Hitachi Ops Center management software suite for efficiency, data security, enhanced analytics, and centralised administration. The VSP series 5000 have Max. Number of drivers, including spares- 33 NVMe SCM, 96 NVMe and 768 SFF SSD. To accommodate up to 33 million IOPS and 69PB of data, Hitachi Accelerated Fabric can scale from twin controllers with quad CPUs to 12 controllers with 24 CPUs. It has a lightning-fast 39μs Minimum Response Time. Due to the controller architecture, scaling up the system results in a more resilient solution and provides 99.999999 per cent data availability. Additionally, the platform supports various media types combined on the same storage platform, including SAS FMD, SSD, HDD to NVMe SSD, and SCM media.

Hitachi DS7160

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With a maximum of 16 Intel Xeon 8276L CPUs and up to 12TB of memory, the Hitachi Advanced Server DS7160 is a powerful server. Mother Board Revision: 12001509-006 BIOS/uEFI: UEFI: BIOS_PUR043.37.14.121 (06/02/2020) CPU: 16 Intel Xeon® Platinum 8276L Processor 2.20 GHz RAM: 12 TB Ports and Bus Types: 3 USB Ports 40 PCI Express X8 8 PCI Express X16 Video Adapter: Matrox Graphics Inc. G200 SE A (PCI) Host Bus Adapter: Emulex Corporation LPe31004 FC (Quad Port) , FibreChannel LSI Logic SAS 9300-8i , Serial SCSI (SAS) Emulex Corporation LPe31002 FC (Dual-Port) , FibreChannel LSI Logic MegaRAID SAS 9361-8i , Serial SCSI (SAS) Broadcom® SAS 9300-8E Host Bus Adapter , Serial SCSI (SAS) Emulex Corporation LightPulse LPe12002 8Gb/s Fibre Channel PCI Express , FibreChannel Intel X99 Chipset (DHX99 PCH) , Serial ATA (SATA) Hard Disk Drive: 2 SanDisk SDLF1DAM-400G , Serial ATA (SATA) 6 HGST Ultrastar SS300 (HUSMM3240ASS204) , Serial SCSI (SAS) Seagate® Enterprise Capacity 3.5 HDD v4 SAS, 4TB (ST4000NM0034) , Serial SCSI (SAS) Storage Area Network (SAN) Device: Hitachi Data Systems Hitachi Universal Storage Platform V

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