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PromiseRAID

YOU CAN TRUST

PromiseRAID is a logical choice for any company or individual looking for a storage solution to meet their goals for performance, security, flexibility and peace of mind when it comes to their data.

What makes PromiseRAID different?

PromiseRAID is the thing that initially put Promise Technology on the map in the tech community. It is currently installed in all Promise storage solutions and licensed for use by well-known companies precisely because it is recognized as superior to other methods, especially when compared to widely-used opensource software RAID. PromiseRAID continues to this day to constantly innovate and enhance the technology for vertical solutions in Surveillance, Rich-Media and Data Center, which we call Boost™ technology. The Boost™ technology is a proprietary technology to optimize performance, reliability, security, and stability, building on the PromiseRAID engine.

What is RAID?

Redundant Array of Independent Disks or RAID technology is used to combine multiple hard disk drives (HDD) or Solid State Drives (SSD) into a single, high-performance storage unit. By spreading data across multiple disks, RAID can provide improved performance, increased storage capacity, and greater protection against data loss.

Here are a few of the most common RAID configurations. Each RAID type has its own advantages and disadvantages to be evaluated by the users according to their needs and goals.

  • RAID 0: This configuration splits data across multiple disks to provide faster read and write speeds, but it does not provide any data redundancy or protection against data loss.
  • RAID 1: This configuration mirrors data across multiple disks to provide redundancy and protect against data loss in case of a disk failure.
  • RAID 5: This configuration uses parity data to provide both increased storage capacity and redundancy, allowing the system to recover from a single disk failure.
  • RAID 6: This configuration is similar to RAID 5, but uses two sets of parity data to provide even greater protection against data loss in case of multiple disk failures.

PromiseRAID also offer advanced and flexible RAID configurations:

  • RAID 50: This configuration combines both RAID 5 and RAID 0 features. Data is striped (RAID 0) across multiple distributed parity (RAID 5) groups. RAID 50 provides data reliability, good overall performance, and supports larger volume sizes.
  • RAID 60: This configuration combines both RAID 6 and RAID 0 features. Data is striped (RAID 0) across multiple dual distributed parity (RAID 6) groups. RAID 60 provides data reliability, good overall performance and supports larger volume sizes.

By combining multiple disks into a single storage unit, RAID improves data access times, protect against data loss, and provide greater overall storage capacity.

Why use PromiseRAID storage?

PromiseRAID is an enterprise RAID core. To safeguard the data integrity against media error, silent data corruption and drive failures, it excels from others with rich features in the background activities, including Initialization, Synchronization, Rebuilding, Media Patrol, and Predictive Data Migration (PDM). It also provides sophisticated and robust error recovery, error handling and error prediction on HDD and SSD. The complete monitoring and alert scheme are available through Promise Utility Pro and WebPAM Pro to notify administrators the alerts.

PromiseRAID technology is an ideal choice for enterprise storage solutions for a number of reasons:

  • Robustness: PromiseRAID provides increased data protection and reliability. It designed to be more resilient to hardware failures and other issues that can impact the reliability of storage systems. Depending on the RAID configuration used, the system can recover from a single hard drive failure or even multiple failures.
  • Performance and Capacity: RAID improves storage performance and capacity. PromiseRAID offers superior performance compared to publicly available software RAID. With Promise Storages, it is engineered for high-speed data transfer and processing by spreading data across multiple disks to increase read and write speeds, which can be critical for applications that require fast data access. PromiseRAID also can provide greater overall storage capacity by combining multiple hard drives into a single unit or expanding to multiple units.
  • Stability: PromiseRAID is ideal for storage solutions because it provides more consistent performance over time and is less likely to experience crashes, data loss, or other problems that can disrupt operations. It has been be tailored to faster data processing and optimize the use of storage resources.
  • Security: PromiseRAID is a more secure RAID than publicly available software RAID. It provides enhanced security features that are not available with other RAID solutions. IoTSF security assurance Class 4 has been applied to Promise storage products, which is the highest category of security assurance to a product under IOT security Assurance Framework. 

Predictive Data Migration (PDM)

Predictive Data Migration (PDM) is a PROMISE proprietary technology that can initiate data migration automatically from HDD or SSD to an available spare drive if a potential disk problem or critical error is detected by Media Patrol. This self-healing process runs in the background without any need for administrator intervention with significantly less negative effect. This differs significantly from a simple rebuilding process available on conventional RAID systems in that it clones data on a drive when signs of trouble arise and while it is still readable.

A rebuild on the other hand occurs after the drive has already failed. The difference is that use of PDM results in a much faster migration process that, unlike a normal rebuild, does not require administrative intervention and does not disrupt normal operation. This advantage is especially noticeable in systems utilizing very large drive capacity (multiple TB drives), often populated by numerous individual drives.

PDM and Media Patrol work in tandem to monitor the health status of the hard disks themselves, not the data contained on them in order to extend data protection well beyond conventional RAID setups. Finally, when the entire process is completed, spare drive becomes part of the array while the status of the now fully migrated unhealthy drive changes to off line, to be replaced with a new drive.

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