When Large Knowledge corporations require the best efficiency out there and probably the most dependable storage, they have an inclination to wish to use fastened, native knowledge storage. They usually require extremely low latency in order that there are not any errors or disruptions. They want huge quantities of storage, usually in Petabyte scale volumes. They want the best throughput as a result of the analysis they’re conducting is a part of a vital challenge, corresponding to most cancers analysis or creating new security supplies or prescription drugs. Briefly, they haven’t any latitude for disruptions, slowdowns, faults, or throughput points and want to copy precisely what they’d expertise in the event that they constructed their very own knowledge middle. But, these identical Large Knowledge corporations need all the flexibility and scale of cloud storage but don’t wish to buy costly servers and associated infrastructure.
Amazon EBS (or Elastic Block Retailer) is a product designed to imitate this precise state of affairs. It really works with Amazon Elastic Compute Cloud (or EC2), so all the storage is offered within the cloud, but it makes use of block storage in the identical method you’d count on in the event you had native drives and servers in a knowledge middle. Meaning your workers can create storage volumes as if they’re in a knowledge middle versus the extra typical object storage methodology. (Object storage is extra “elastic” in that recordsdata additionally include metadata and identifiers, which implies they’ll reside wherever on a quantity such that apps depend on the file pointers for accessing the info.)
With block storage, every quantity acts as an precise uncooked knowledge storage quantity that may be mounted and used as if it’s a native drive. Every of those volumes might be as much as 16TB in measurement, and you’ll create and handle your individual file system on the drives.
EBS offers two distinct choices for Large Knowledge corporations that basically replicate what they’d expertise if they’d an on-site knowledge middle and even used native storage with an unimaginable quantity of native knowledge storage linked proper in the identical room. These two choices will probably be very acquainted to anybody who has constructed an on-premise knowledge middle.
With EBS, you’ll be able to select to mount a quantity in your EC2 occasion that makes use of SSD (solid-state drives), which helps when you need very low latency. This might include an enterprise app that requires extremely fast operations for transactional data or a relational database that is used with e-commerce software. It might also involve a NoSQL database (NoSQL stands for Not Only SQL) for high-performance apps, possibly those used for a massive enterprise app.
The second option is to use HDD (hard disk drives) — required for the highest throughput. This might involve a media streaming service where high input/output is required, a Big Data research project, data warehousing and log processing, or for staging backups. It’s meant for any application that needs high-performance for moving the data as quickly as possible.
EBS also provides encryption for data, both when it is in transit for use in your applications and also when it is in rest. This helps reduce the likelihood of a data breach not only when the data is in the cloud and not used by your apps, but also when it is “in-flight” and part of a research project, used in a transactional database, or processed by your apps.
Benefits of AWS EBS
Perhaps one of the most important advantages of using EBS is that it is easy to use and understand. It is essentially the same as a local storage drive that you can mount, configure, and attach to EC2 instance as though the drives are in the same room. With EBS, you can tune the drives, change settings, adjust performance variables, and setup your backups in the same way as you might do for a local storage array in your own data center or on a server.
In addition, EBS has several advantages related to reliability, availability, and durability. As mentioned earlier, you can attach volumes to an EC2 instance that are either powered by SSD or HDD storage depending on your needs. However, both options provide the same reliability you would expect from Amazon’s AWS S3 (Simple Storage Service). The replication that occurs is guaranteed by Amazon with a 99.999% reliability rating.
There is also an important benefit related to the two options for which storage you choose. With SSD, there is a low-latency advantage and also a price-performance benefit. SSD is well-suited for applications that require raw speed and low latency, such as an enterprise app that is used at a large company to process transactional data. With HDD, companies doing major research projects for drug discovery or researching the materials used for a new bridge design often require the fastest throughput for massive amounts of research data.
With EBS, there are many of the same advantages of a local infrastructure and local storage without the need to build that infrastructure or data center.