If video cameras are the eyes (and these days, also often the ears) of an organisation’s security surveillance system and network cabling and changes its nervous system, and video clip management software the brain, then the video data storage system acts as the backbone, supporting the entire system. And at as much as 30% of total surveillance system costs, to allow you fast and dependable access to evidence footage, it pays to perform your research and invest wisely on video storage.
Below, global surveillance and security market company, Veracity provides a high-level guide to exactly what organisations, especially large enterprises or government regulation-driven operations, should consider when working with and briefing consultants and installers on their critical video surveillance program storage needs.
Storage capacity vs image high quality
The capacity demands and limitations of any video clip data storage system are determined by users striking a balance of capturing the desired image quality (in megapixels) from video cameras at an suitable frame rate (FPS), across the count of cameras on the network and moreover to meeting the requirement for retention of the video data.
Bigger capacity systems enable higher data budgets – enabling higher resolution images, higher video clip frame rates, which allows users to have the best out of their expensive high-definition IP camera investments.
Hard drive reliability
Research regularly identifies hard drive failure among the top six security industry issues, withtemperature, vibration and wear becoming hard disk killers. So do your research and compare how different manufacturers’ video storage systems consider and try to mitigate this issue.
Video data retention time
Due to government regulation requirements in several sectors and nations, there may be a legal requirement to dependably retain video data for a particular period of time. This is often the case for law enforcement applications, prisons, stadia, pharmaceutical manufacturing, ports food production, specialised put farming and body-worn cameras. Preservation periods can be as much as one hundred and eighty days, or longer.
System Total Cost of Possession (TCO)
Believe beyond the initial purchase cost and focus on the overall cost to your company of running and maintaining the particular storage system. Sequential storage systems, for example , have a far lower TCO than RAID-based systems, due to extended hard drive lifetimes, lower power consumption, reduced cooling and power backup expenses
In addition to storage design, the choice of VMS (video management software) plays a major factor in the TCO as many VMS platforms require recurring annual licence fees (per camera). This all adds up when you have hundreds of IP cameras as part of your system.
Guaranteeing accessibility of your video data
In recent years, cloud-based video storage – known as VSaaS (Video Storage as a Service) – has become popular, but it is not for everybody. Large enterprise systems are already struggling for increasing demands on available data bandwidth to support the IT requirements of their operations. The large megapixel video data rates today common in modern surveillance networks and even with the latest compression, run the risk of pulling down entire networks.
Such enterprise users tend to prefer video storage to be physically located on-site. The benefits of this include greatly reducing the risk of having no access to video data at critically important times and decreased recurring costs for increasing information utility infrastructure and fees.
Ensuring cybersecurity of video data and your systems
Cyber-attacks really are a growing and major threat to the networks of all organisations. As a key part of any organisation’s “network”, contemporary video surveillance systems are made up of numerous IP cameras and devices, which to varying degrees, all uncover the network to the potential vulnerability of a cyber-attack. Therefore , like any network-connected device, video storage systems have to play their part to secure the cyber-robustness of the wider network as well as the integrity of the evidence data they hold.
Veracity’s COLDSTORE range of video storage space systems
Veracity’s COLDSTORE movie storage systems benefit from an unique mirrored-overlapping pair writing pattern called the Linear Array of Idle Disks (LAID) plus a special Sequential Filing Program (SFS) offering significant advantages over traditional RAID technology with SET, disks are used sequentially, with all the hard disks not in use being switched off, preserving power and thus greatly reducing temperatures and wear. With SFS, customers get the double benefit of increased speed of disk reading and creating, while vibration is massively reduced, helping to minimise wear. Users can get the life of hard disks within COLDSTORE systems to increase by up to 10 times longer than they would within an equivalent RAID system.
With typical maximum power consumption as low as 40 Watts on some models, COLDSTORE systems deliver since at 0. 15W per TB power to storage performance, which enable power savings of over 90% in comparison to other RAID-based systems.
COLDSTORE products inlayed with the latest version of Nx Witness VMS. COLDSTORE’s products supply continuous recording of all RTSP and ONVIF Profile S compatible IP cameras. Also, worth considering that VMS platforms such as Network Optix’s “NX Witness VMS” have no continuing licence fees.
Veracity offers its COLDSTORE NVR cybersecure recording platform, aimed at remote sites and/or “zero-trust” networks. This kind of recording devices are designed to eliminate cyber-attack surfaces, with all data routed through a single IP port, helping to guarantee separation of internal and external networks. This approach effectively secures insecure digital cameras and devices from external attack.
RAID vs SFS – Data capture technologies
It is worth emphasising that IT data and video information are critically different – with video data being recorded in real-time, i. e., sequentially and as it happens. RAID technology (redundant array of inexpensive devices) was initially designed for storing IT data, therefore , using such technology for video clip data applications effectively turns this particular into “IT” data and loses some of the advantages of SFS technology (sequential filing system), which is perfectly suited for video data (and other continuous or real-time data such as audio and analytics meta-data). As modern surveillance applications require large storage capacities, RAID systems are not perfectly suited to the largest capacity disk drives available, due to longer rebuild times and unrecoverable read-error rates. When it comes to RAID systems, video data program designs must account for the much-reduced throughput (data rate) when repairing a disk (a RAID volume) – i. e., this should be considered the maximum throughput, otherwise recordings will have gaps when a volume has been rebuilt.