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RAID and Enterprise Storage
Redundant Array of Independent Disks (RAID) is a storage technology that creates a data loss fail-safe by merging two or more hard disk drives (HDDs) or solid-state drives (SSDs) into one cohesive storage unit, or array.
| RAID mode | Description | Operation | Advantages | Disadvantages | Recovery |
| RAID 0 | Striped disks | Data is split evenly between two or more disks. | Large size and the fastest speed. | No redundancy. | If one or more drives fails, this results in array failure. |
| RAID 1 | Mirrored disks | Two or more drives have identical data on them. | A single drive failure will not result in data loss. | Speed and size is limited by the slowest and smallest disk. | Only one drive is needed for recovery. |
| RAID 3 | Striped set with dedicated parity | Data is split evenly between two or more disks, plus a dedicated drive for parity storage. | High speeds for sequential read/write operations. | Poor performance for multiple simultaneous instructions. | A single drive failure will rebuild. |
| RAID 5 | Striped disks with distributed parity | Data is split evenly between three or more disks. Parity is split between disks. | Large size, fast speed, and redundancy. | The total array size is reduced by parity. | A single drive failure will rebuild. |
| RAID 10 | 1+0; Striped set of Mirrored Subset | Four or more drives are made into two mirrors that are striped. | Larger size and higher speed than RAID-1, and more redundancy than RAID-0. | No parity. | Only one drive in a mirrored set can fail. |
| JBOD | Just a Bunch Of Disks | Any number of drives are accessed independently by the operating system. | Software RAID modes can be used. | Hardware RAID may have better performance. | N/A |
The new TP-Link VIGI Insight surveillance range
James Young
The new TP-Link VIGI Insight surveillance range includes avariety of cameras with advanced features for both indoor and outdoor use. Key models like the S445ZI turret camera and the S345 bullet camera offer 4MP resolution, motorised varifocal lenses for flexible monitoring, and features like human/vehicle classification and True WDR for enhanced image quality in challenging conditions. The range also includes 8MP options like the S385 bullet camera,...
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Unlock the Power of Akuvox Intercoms: Elevating Your Building's Communication
Essential Security Supplies
In the ever-evolving world of building security and communication, the name Akuvox has become synonymous with innovation and reliability. As a leading provider of cutting-edge intercom solutions, Essential Security Supplies is thrilled to introduce you to the remarkable capabilities of Akuvox intercoms. Imagine a seamless, intuitive communication system that not only enhances the security of your building but also streamlines the day-to-day interactions between residents, visitors, and...
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BPT Impact Resistant LHS Entry Solution: Secure Your 1-4 Units with Mobile App Convenience
Awlnz.co.nz Staff
Elevate Your Security with the BPT LHS Series – Impact Resistant Video Entry, up to 4 call buttons.We are excited to introduce the BPT LHS Series – our latest innovation in intercom technology designed to offer unmatched performance and style. Perfect for both residential and commercial environments, the LHS Series combines high-definition video, crystal-clear audio, and modern design to enhance your entry experience. Up to 4 call...
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Every Now & Then, a Product Line Up Changes Everything. This is One of Them!
Awlnz.co.nz Staff
Founded in 1996, TP-Link is a global conglomerate specialising in network communications, consumer electronics, and surveillance. From humble beginnings, they have grown into a world leader, consistently ranked as the No.1 provider of Wi-Fi devices by analyst firm IDC for over a decade. The product range, featuring top brands like TP-Link®, Kasa®, Tapo®, TP-Link Omada®, Aginet™, and VIGI®, connects over 1.7 billion people in more than 170...
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