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6 key elements of storage virtualization


Virtualization technology has become an essential technology for data centers. It can expand hardware storage and simplify the whole process of software reconfiguration. By simulating multiple CPUs in parallel with a single CPU, a platform enables to run various operating systems at the same time, and application programs can run in independent spaces without affecting each other, thereby significantly improving computer work efficiency.


With virtualization technology continually developing, storage virtualization has become a very popular trend among enterprises, which creates effective and flexible resource pools for users. Here’re some key elements of storage virtualization construction.


Interconnection and unified management of heterogeneous storage media

The core task of storage virtualization is to be compatible with storage devices with multiple attributes, shielding their different physical characteristics and providing users with a unified virtual logical device access method. Various physical storage devices connected by the network provide users with virtual volumes.


The conflict and consistency of data sharing

Data sharing is one of the main functions of storage virtualization. Network-based virtual storage places high requirements on data sharing and access. Data copies stored in different physical storages brings much convenience for data sharing between operating systems and databases, but at the same time, the locking mechanism, backup distribution and cache consistency technology must be carefully designed to ensure data integrity.


Transparent data storage

This requires virtual storage to shield the physical differences of storage devices. The system automatically schedules and utilizes storage resources in terms of resource features to fit users’ needs of deploying data copy, image, backup and functions like virtual-device-level snapshots.


Performance optimization and workload balancing

The storage system should optimize the storage system from an overall perspective to fit different features of different storage devices. A multi-level storage architecture should be arranged according to response time, throughput rate and storage capacity of different storage to achieve multi-level caching and data prefetch.


Safe data access strategy

Network-based storage must control access. Unauthorized access to data and malicious attacks must be avoided by virtual storage systems. The data security brought by transparent storage services must be achieved by virtualization management software. The strategies to access data safely should be diverse, including feasible methods like key-based authentication management, data encryption and adding a layer of trustworthy management nodes on top of the storage infrastructure.


High reliability and scalability

These are two essential features of a virtual storage system. The system should adopt efficient error prediction, detection, isolation and recovery technologies to ensure the high reliability of the system.

Storage virtualization not only simplifies the storage operation process of virtual machines, but also directly utilizes the functions of the basic storage infrastructure to provide the most effective way to use and manage storage systems in a virtual environment. However, the storage virtualization may perform better with the help of Vinchin Backup & Recovery. By deploying deduplication and compression, users can free up much useful storage space without deleting any important data, minimizing unnecessary costs for storage expansion.

  • Tag:
  • Virtualization

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