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Category Archives: Hosting

This as a Service (TaaS), What as a Service (WaaS)???

It seems in IT everything is as a Service (aaS) yet given the amount of questions we at Cloud53 receive about this element of managed services, clearly it is a much misunderstood way of doing things to those non IT people.

The diagram below should hopefully make this much simpler to understand using something as a Service that we all understand.

car as a service2

 

If interested in any IT services as a Service (aaS) then please do give Cloud53 a call

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Hacking – why does it keep happening?

computer-hacker
Obviously this week the big story has been TalkTalk who it would appear have been hacked and potentially allowed details of 4 million customers into the wrong hands. This is the third large cyber-attack which TalkTalk have received and it is not at present clear why TalkTalk are targeted or who did it but it is far from being the only company that keeps being hit!
Most, if not all, large companies will receive cyber-attacks every day, it is unfortunately the norm. This is the reason why large companies invest in heavily in cyber security but being ahead of the cyber criminals isn’t easy. Around 1 million new malicious programs are created on a daily basis according to security firm Symantec.
It is extremely unlikely that any large company has not received cyber-attacks, it is also very unlikely that any of these large companies haven’t suffered a breach of security due to these attacks at some point. It is only the clever companies that are aware of these breaches and learn from them. It is likely that many companies will not know they have been breached which is much more dangerous than being aware!
Can it be stopped? Very unlikely, unfortunately it is just a case of staying one step ahead of the hackers which in reality is extremely difficult and expensive.

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All White for Winter?

snowMAIN_1788610b

We know the weather predictions are always a tad dramatic with phrases such as ‘Arctic Freeze’ and ‘El Nino’ but it is worth paying attention to the fact that your business could suffer because of the winter. At present weather predictions for this winter are suggesting the El Nino (named Modiki) weather Phenomenon and reportedly maybe the strongest since 1950. In this year heavy snowfall brought chaos to much of the country with temperatures in some areas being as low as -22C with around 50cm of snowfall, certainly worse than the ‘big freeze’ which we remember in 2009/10.

The ‘El Nino’ happens when ocean temperatures in the eastern Pacific, near South America, rise due to a change in the normal wind direction, creating knock-on effects across the globe due to the amount of heat released into the atmosphere. The polar jet stream tends to move further south, and brings wetter weather across the Atlantic, which causes heavy rainfall in warmer months (we have certainly had this), but can bring snow in the winter.

So is your business ready in case we do have a bad winter? Typically in the UK a bad winter means the public transport system grinds to a halt or at best is a very poor service. The reason for this, apart from the weather affecting equipment and roads, is due to Staff not being able to get into work and so we get into a vicious cycle!

If your staff cannot get into work whether it be due to public transport or the highways what contingencies do you have in place to allow your business to continue? Should it just be for a single day most businesses will be fine, albeit probably lose some revenue, however if the weather spell lasts a week or more then it could be much more serious.

Points to consider:

  • Remote access – Do you provide remote access whether it be via Remote desktop, Citrix, Outlook web access. Is this setup for all staff? Are they aware of the details? Do you have enough licences? Does your internet connection give sufficient bandwidth for inbound connections?
  • Telephony – do staff have desk phones at home? Can staff access the telephone system through soft phones (PC or smartphone apps). Can diverts be put on remotely?
  • Backup – if using onsite backups who will change the tapes/disks? How will the data get offsite for safe storage?
  • Meetings – do you have video conference services available to take meetings internally and externally given that travel is limited?
  • Communication – are staff aware of the business continuity plan? How they will access systems? How will staff communicate?
  • Suppliers – depending on your business your supplier’s business continuity plans maybe extremely important if you cannot receive deliveries of vital goods and services – they should be asked the question.

 

Whilst we have seen predictions previously for heatwaves, bad winters and even the end of the world eventually predictions do happen so it’s always best to be prepared. Please get in touch should you be interested in any advice on the above (excluding weather forecasts).

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Backup, Business Continuity, Disaster Recovery – are they the same??

Burning_keyboard_medium

Recently after talking with clients we have realised that these terms all appear to mean the same thing to some of the business market out there and this is a dangerous assumption. Typically people only understand the differences after an incident and when it’s too late. Therefore we thought it may be useful to summarise what each is and what it means:

Backup –this typically happens once per day and overnight so therefore it is technically possible to lose around 23 hours’ worth of data. In addition a backup simply backs up data and restore may involve building a new server and then restoring the data to this server which if from tape could mean 24-48 hours before the server is back up and running as was. Therefore in this case the Recovery Point objective (RPO) is 23 hours and Recovery Time Objective (RTO) is 48 hours. With tape this is always assuming each backup is successful and that you have a suitable tape drive to read from.

Business Continuity – This is essentially how your business (as a whole) will recover from an incident. This incident may not affect IT although most incidents do. It maybe related to the scenario that the office is inaccessible due to a gas leak and therefore how do your staff work from another location or it could be a gas explosion within the building which destroys the IT infrastructure. BC is about the capability of the organisation to continue its business following a disruptive incident. BC is the big plan of which IT Disaster Recovery is a subset.

IT Disaster Recovery – is how you plan to recover from a disaster and this isn’t simply restore from backup as let’s not forget you might not have any media to restore from, you might not have an internet link, you may not have servers or tape drives! DR is about how you recover from the worst possible disaster and as quickly as possible. In the business world the only way to guarantee your IT infrastructure to be always available is to host it outside your business in a datacentre (with redundancy / replication) or to host internally but replicate to a remote datacentre using real-time replication, therefore in the event of a disaster your RPO is less than one minute and your RTO is also just minutes. With auto fail-over and the correct replication software this is easily achievable.

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Welcome to Summer!

airon failed

So it seems we are approaching the time of year when things warm up which is great news if you’re not at work or maybe work in state of the art offices with aircon (that works) however it’s not necessarily  good news for servers, network kit and the like in areas without dedicated air-conditioning.

Typically once we hit real summer there is a rise in server and network failures as this kit is still in the small room or cupboard that it is all year round but with an added 10°C or 15°C to work in. The kit still produces the same heat itself but the heat isn’t dispelled as well as it is in the cooler months. Often this means that a router or some other network kit fails first as often this is situated above the servers and of course heat rises. Without am ambient temperature being maintained then due to any additional heat, the servers have to work harder, spinning the cooling fans more to try and combat the heat being produced by the disks and the CPU’s. It’s a vicious circle until either the room cools or a component fails unfortunately

Remember in the summer months to keep an eye on temperatures in these areas and allow extra ventilation / aircon if you can.

  • An average server generates 1360btu/hour which is about the same as a small radiator.
  • It is recommended that server rooms maintain a temperature of between 18°C and 24°C.
  • Typically the server CPU’s will run at around 45°C however anything past 60°C for long periods can be dangerous and result in failures.
  • Disks are more likely to fail the older they are and as such temperature changes may contribute to these disks failing sooner.
  • Humidity is just as important to IT kit as temperature.

 

The obvious solution is to look at hosting your servers externally – why not get in touch with Cloud53 to discuss? Apart from taking the worry away it should also reduce your on-going costs!

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