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Disaster recovery (DR) has historically been out of reach to some organisations. The need for expensive equipment or services outweighed the perceived benefits to smaller organisations, who can often accept longer waits to recover data and get back on line. The advancement of technology and its use within modern business however is leading to a business culture that demands 24/7 availability and access. With this being the case, is it still acceptable for organisations to wait for their data in the event of a disaster?
Recovery Time and Recovery Point objectives (RTO’s and RPO’s) must be established when planning ahead.
A Recovery Time Objective is the limit set by an organisation to have recovered data and have systems running at a normal level, in the event of a disaster.
The Recovery Point Objective refers to the last available copy of data that can be recovered from and the maximum amount of time between backup points.
There are a multitude of threats and risks that organisations face within IT environments daily. From cyber-attacks to a natural disaster like a fire or flood, the need to protect data is very real. Data can be the greatest asset of a business, losing it completely could damage operations so badly that the organisation cannot recover.
The truth is that organisations cannot afford not to plan for a disaster. DR must be in place in some provision regardless of how this is done. DR methods may involve copies of hardware, available facilities or provisions to help an organisation fail over or spin up systems quickly.
The real objectives of a disaster recovery solution are to ensure that data remains safe if the primary copy, physical or otherwise, is destroyed or made inaccessible. This ‘safe’ copy of data can then be recovered or accessed to ensure that an organisation can continue to operate. Historically DR involved a standby server or set of hardware being kept as a warm standby in an alternate location to the primary. Not only is this costly but hardware may never be required.
Organisations of all sizes now require DR solutions, but at a price point that suits budgetary requirements and doesn’t compromise on speed.
Downtime is costly to all organisations, taking an approach to DR that cuts downtime and gets data back quickly is likely to be more efficient than the historic hardware approaches. RTO’s must be close to zero and RPO’s must be flexible.
The use of cloud technologies is on the rise, one of the major reasons being the speed to implement and the flexibility they offer. In addition, cloud solutions often operate on a pay as you go model, ensuring organisations aren’t wasting budget. Cloud recoveries can be done to any location and are not reliant on expensive kit. This gives organisations the options of restoring to existing hardware if it can be accessed or to alternate platforms, like cloud storage.
Redstor’s InstantData engine enables DR by giving organisations access to their data in an instant. By streaming data on-demand to a location of choice, Redstor can present data to be accessed and used immediately. This way of handling DR cuts downtime to near zero, gives flexibility in deployment and recovery and requires no additional hardware. Why do DR when you can do instant?
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