All Flash Storage

All Flash Array Storage Solutions

We provide all flash storage arrays based on your requirement to deliver OLTP, Databases, Virtualisation for Server or Desktop, VOD, VDI, VR, 3D modelling, video editing, molecular modelling or IOPS.   Many of the newer advanced flash arrays utilise data deduplication and this dramatically increases the amount of flash storage capacity available.  Please consider that not all data is compressible, and tests would need to be carried out before specifying an all flash design.

All Flash Storage provides outstanding performance compared to hard disk, but in order to achieve the desired performance, we also consider potential bottlenecks in the network in order to maximise the performance and alleviate any unforeseen issues. By deploying an enterprise flash storage array, you will typically see a 10x or more performance increase in your system environment which in turn leads to increased productivity. Although the cost of flash storage is coming down the cost per Terabyte is still 2-3x that of a comparable disk storage solution.

All flash storage

Whilst flash storage provides super-fast performance, another important thing to consider is the application and workload you are intending to run on your flash storage. All flash has a limit on the number of DWPD (Drive Writes Per Day) permitted by each SSD. If you specify a flash array with a small number of drives and it is being heavily used, it is likely your flash storage will fail sooner than anticipated. It is always a useful question to ask as to the type of flash memory deployed in the array, below shows the main types of flash used today.

  • SLC stores one-bit-per cell has longer endurance but is significantly costlier to produce with higher capacities. Enterprise Class – 25 DWPD
  • MLC uses two bits per cell, the most common type of SSD used by the flash storage vendors – Enterprise Class – 10 DWPD
  • TLC uses three bits per cell. These flash technologies have lower endurance but hold larger capacities and can be produced at lower costs. Consumer Class – 3 DWPD
  • QLC uses four bits per cell. These flash technologies have the lowest endurance, highest capacities and lowest cost. Consumer Class – 1 DWPD

There are different types of flash arrays

All Flash Storage - The whole storage array is comprised of Flash

Hybrid Flash - This uses a combination of Flash & Spinning Disk

PCIe Flash - The Flash memory resides on a plugin PCIe card for your server or workstation

Flash Cache - A few SSD or NVMe drives are used as a cache for spinning disk

Hybrid Drives - These are disk drives with a portion of flash which holds the most recently accessed files

If you would like to know more about the all flash arrays we provide please complete the form below or call us on 01256 331614 or visit our website

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