Storage is a key element in organizations and companies. Since strategic goals and sensitivity of access to the sensitivity of permanent access to data vary from one organization to another, the multiplicity and type of service of each organization varies from organization to organization.
Various types of information storage equipment, such as SDS, Tape, SAN, NAS, DAS, are available for various purposes such as online data access or archiving and maintenance, which should provide the following parameters according to the needs of organizations:
- Quality and security of data
- Good speed and efficiency
- Easy management
- Variety of configurations
- High availability
The acceleration of investment in information technology and innovation introduces new ways of business, which is generally different from the past. Today, information and communication technology is one of the vital units of any organization. Its overall task is to examine the issues and problems in the system and the feasibility of implementing comprehensive ICT-based solutions in line with the strategic plan for planning and implementation of these projects. And high oversight on the provision, design, implementation and support of ICT services, and the preservation of information for companies and organizations, and given today that the use of computers and various systems of software and computer hardware as a component An integral part of any organization and set, so the technology unit Information and communication in all organizations has an important place. One of the most important things for business continuity and the advancement of the goals of organizations and companies is to ensure sustainability, health and data security. This has led to the important role of storage space as a key element in organizations and corporations.
Since strategic goals and sensitivity are always different, the availability of data varies from organization to organization, so the variety and type of service of each organization varies from organization to organization. Therefore, data warehouse companies will have to build different types of storage equipment, such as DAS, NAS, SAN, Tape Library, SDS for various purposes such as online data access or archiving and maintenance capabilities, depending on The needs of organizations.
Below is a list of the most popular types of storage used to back up data:
Local storage options:
- External Hard Disk:
These hard disks are similar to those found on a desktop computer or laptop computer. The difference is that they can be connected or detached from the computer and removed from the main computer. They are usually in two sizes:
External Hard Disk Drive Hard Disk: Uses a 3.5-inch hard drive similar to that used on desktop computers.
Portable external hard disk: Using a 2.5-inch hard drive similar to that used on laptops.
Hard disk hard drives are generally cheaper than removable hard drives for storage space. Hard drive external hard drives are usually faster and stronger:
Capacity: 160 gigabytes to 3 terabytes (approximately 3000 gigabytes)
Connectivity: The most common connection to a computer is through a USB 2.0 or USB3.0 connection. It may also be available on an SATA or eSATA connection.
Great option for local backups of a large amount of data.
The cheapest storage option that is very reliable
It can be very delicate, it may be damaged or it may be damaged due to a power fluctuation.
- Solid State Drive (SSD):
Solid state drives have the same performance as mechanical / magnetic hardware drives, but similarities stop there. Inside, they are completely different. They do not have any moving parts or rotational areas. They rely solely on semiconductors and electronics to store data, and they are more reliable and powerful than traditional magnetic ones. Moving parts also means that they use less power than traditional hard drives, and they are much faster.
With lower solid-state drive prices and lower power consumption, SSDs are widely used in laptops and mobile devices. External SSDs are also an option for data backup.
Capacity: 64 gigabytes to 256 gigabytes
Connections: USB 2.0 / 3.0 and SATA
Faster reading and writing functionality.
Stronger and more reliable than traditional magnetic hard disk.
Portable, can be easily removed.
Still relatively expensive compared to traditional hard drives.
The storage space is usually less than the traditional magnetic disk.
- Network Storage (NAS):
NAS simply inserts one or more typical IDE or SATA hard drives into an array storage chamber and connects to a router or network hub through an Ethernet port. Some of these NAS chassis have ventilation fans to protect hard drives from overheating.
Great option for local backups, especially for small networks and businesses.
As multiple hard drives can be connected, the NAS can hold up a large amount of data
It can boot up by booting (RAID) to increase reliability and / or read and write performance.
The drive is always connected and accessible to the network where the NAS is a good choice for automatic scheduled backups.
Significantly more expensive than using a hard drive.
It is very difficult to prepare, because local backup is very difficult, and it is still sensitive to some incidents such as theft, flood, fire, etc.
- USB Thumb Drive or Flash Drive
These are similar to solid-state drives, except that they are very small in size and capacity. They do not have moving parts and make them quite robust. They are portable and can fit on a keychain. They are ideal for backing up a small amount of information.
Capacity: 4 GB to 64 GB
Portable storage option. You can place on a keychain and place it out of the box when you carry it with you.
The hard disk is much stronger than the traditional magnetic disk
Relatively expensive per GB, so can only be used to back up a small amount of data.
- Optical drive (CD / DVD):
CDs and DVDs are ideal to store a list of songs, videos, media or software for distribution or to give a friend due to the very low cost per disc. They have less backup storage options due to their shorter life span, small storage space, and less read and write speeds.
CD capacity: 650 megabytes to 900 megabytes
DVD capacity: 4.7 GB to 17.08 GB
Length of life is shorter than other storage options
It is not reliable as other storage options such as external hard drives and SSDs.
Remote storage options
- Cloud storage
Storage of cloud storage space is at the commercial data center accessible from any computer with Internet access. Usually provided by a service provider. Limited storage space can be provided for free with more space for cost sharing. Examples of Amazon S3 service providers, Google Drive, Sky Drive, etc.
A very good backup outside the site. Do not affect events and disasters such as robbery, flood, fire and so on.
From external hard drives are more expensive. They often need to buy a subscription.
Requires an Internet connection to access cloud storage.
It is much slower than local backups.
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