How to have 100% uptime

I know most will say its not possible, but how do you get as close to 100% as possible? Assume good server with good host, how do you make sure you will always be online?

You are correct in that there is no way to guarantee 100% uptime. There are always points of failure and even the possibility for cascading failures.

With that said there are thing you can do to decrease your uptime.

1. Like you said, make sure you have a quality server, with a quality host, at a quality data center with its own redundant systems.

2. Add website monitoring via a service like pingdom so that you can catch outages fast. Having your site go down is bad. Not catching it for 8 hours, is even worse.

3. Server occasionnaly hang up or need to be restarted. Adding a second server behind a load balancer will take are of these issues. If one goes down, the other server will still serve traffic. This is also use full in case of load spikes.

4. Load balancers can also have problems and using one, creates a single point of failure. Ideally, you will want 2+ load balancers for 2+ separate clusters. Now if a LB or entire cluster goes down, the other LB cluster will still server your sites.

5. Although it is rare at quality data centers, data centers do experience problems. Fiber cut, natural disaster, main router, etc. A good DC should be fully redundant, but you can have degraded service while they are running on backups. (600GBs fiber gets cust, so there running on the backup 200GBs line, like happened to OVH recently). To solve this, you need to have fail over across multiple data centers.

6. Using DNS fail over is the easiest method, but you can still have some downtime if things don't switch over as they should. There are 3rd party services that offer DNS management with immediate data center faukiver, but it get pricy!

Long story short, there are a lot of things you can do to dramatically decrease your downtime, but you will need some deep pockets!

We have a couple customers with load balanced clusters, but we always makes sure they know that the is still the possibility for downtime as noting is ever foolproof!

Nothing is impossible you need find good host with professional team.

Yes we do provide 100% guarantee you can google reviews about us its just that everyone is in hosting business now a days very rare are professionals i offer you try our services for free and find how we can guarantee.

There are many tools such as phpservermonitor.

Well, it is possible for a server not to lose any power or network. However the longer it runs the higher chance of something happening down the road.

If you find a provider offering such. I would suggest reading through the legal notes and fully understanding them. You will find that usually the SLA will not apply for certain reason (this usually applies to every host include us).... so is it really 100% up time? or a marketing thing?

You can offer customers a 100% uptime guarantee on the grounds that 99.999% of the year your servers is online 100% of the time, can be confusing at times, however it is possible. Utilizing a Datacenter that operates redundant power feeds, redundant cooling and redundant network uplinks is the first step. Next, utilize a server that operates with redundant power supplies, a RAID configuration that allows for how-swap hard-drives in the event of a failure and software that allows for the live-update of kernel modules and important software without the need for reboots.

By doing so, with proper configurations you can allow for near 100% uptime as stated intially in my message. For example, some hosting providers allow for 99.9% uptime guarantee, which is open for up to 7 hours of downtime per month. Over the last year, our servers have seen a total of 2 hours of downtime (before the redundant upgrades took place). A SLA covers Hardware, Network, Power and Cooling. Software on the other hand is not covered in the fine-print, therefore the occasional restart of Apache, MySQL or other services (which should only last 1-9 seconds) is permitted in the event of software tweeking taking place to increase customer satisfaction in quality of service.

I am ready for contract pm me for discuss as its not related to thread thank you.

Now this is a discussion! Great to see all the honest feedback of whats actually possible instead of just sales pitches!

When selecting a Hosting Provider understand that even if they over a 100% uptime guarantee, things *can* happen as others in this thread have said. The real question you should be asking each and every provider, is what steps they take to prevent such outages and the steps they take during/after something occurs.

Hostlumina i dont think so you even visit Tier IV datacenter i believe on results rather than argument you offer me lets contract i will provide you 100% uptime how thats my responsibility.

You need find info about Tier IV datacenter , Raid technology, IP Failover and even if cables cuts there is backup via other lines and wireless.

Hassan said:

Hostlumina i dont think so you even visit Tier IV datacenter i believe on results rather than argument you offer me lets contract i will provide you 100% uptime how thats my responsibility.

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?

You just don't understand that nothing is 100%. Something "could" happens as everyone else has stated. You can come close but something "could" happen in the long run specially the longer you run.

I highly doubt you will guarantee anyone 100%. Your web site also only offers 99.9% and also includes conditions (which is normal nothing wrong with that) protecting you (restrictions - not no restrictions).

Your TOS:

Credit shall not be provided to YOU in the event that you have any outage resulting from:

- scheduled maintenance as posted from time to time at PostPayHost Inc,
- your behavior or the performance or failure of your equipment, facilities or applications,
- circumstances beyond PostPayHost Inc's reasonable control, including, without limitation, acts of any governmental body, war, insurrection, sabotage, embargo, fire, flood, strike or other labor disturbance, interruption of or delay in transportation, unavailability of interruption or delay in telecommunications or third party services, including DNS propagation, domain name registration/transfer, failure of third party software or hardware or inability to obtain raw materials, supplies, or power used in or equipment needed for provision of your web site,
- YOU breaking any agreement policy in PostPayHost Inc's "Terms & Conditions and AUP" causing a machine to fail as a result.

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100% uptime is possible when we have acquired the level of knowledge required to create a space that is outside the regular time-space continuum. This space would be void of anything except things that are needed to run the datacenter, that way, no external factors "could" happen to the datacenter physically.

We also need to device a way to perpetually feed this space with energy required to run the datacenter, and a way for the datacenter to available for you no matter where you are. And to do so, we need this space to be omnipresent across the universe, and intelligent, so it can gather energy by opening wormholes near the billions of stars out there to feed its energy needs. Being omnipresent also means this hypothetical datacenter can detect where data access are being requested, and open up mini wormholes to accomodate them.

This datacenter would be maintained by AI's that are infinitely smarter than human beings, which of course will upgrade themselves as time goes on.

In no time, they will be godlike beings who are omniscient, omnipresent, and omnipotent - that still provide us our puny little 100% uptime datacenter because they don't see the need to shut it down, considering how of little significance it is to them.

Luca said:

100% uptime is possible when we have acquired the level of knowledge required to create a space that is outside the regular time-space continuum. This space would be void of anything except things that are needed to run the datacenter, that way, no external factors "could" happen to the datacenter physically.

We also need to device a way to perpetually feed this space with energy required to run the datacenter, and a way for the datacenter to available for you no matter where you are. And to do so, we need this space to be omnipresent across the universe, and intelligent, so it can gather energy by opening wormholes near the billions of stars out there to feed its energy needs. Being omnipresent also means this hypothetical datacenter can detect where data access are being requested, and open up mini wormholes to accomodate them.

This datacenter would be maintained by AI's that are infinitely smarter than human beings, which of course will upgrade themselves as time goes on.

In no time, they will be godlike beings who are omniscient, omnipresent, and omnipotent - that still provide us our puny little 100% uptime datacenter because they don't see the need to shut it down, considering how of little significance it is to them.

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:afro1:

Maybe thats just what Hassan has done.
Seems fitting considering his avitar.....

Hassan, are you a Cylon?

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I am going with Sonny from i.robot.

If you are a web hosting provider, then yes you can handle uptime for your clients. But if you are just a blogger, then how come you are dealing with up time? Because it is nothing to do with you.

But yes, you can do some tricky things to save bandwidth, web space and improve your page load time.

thanks
web hosting tips
sharplesson

A reliable hosting provider will give you high uptime but I am not sure about 100%. I am hosting my pages for free on Blogger and never had any uptime problems. Doe with other hosting ( even paid) I heard a lots of complaints.

The easiest way to have 100% uptime is to use cloud hosting service or choose to use CloudFlare CDN. Both are not cheap, and for best configuration for a beginner, the cloud hosting service will be my recommendation.