Load Balancing / File Mirroring & Replication - Microsoft IIS Servers
Jul 30, 2009
Hello, we have a few web servers that run Windows 2003 Server and IIS for web page hosting. We develop custom applications and don't do "web hosting" per se.
What is the best way to do this in a load balanced environment? We have a Cisco load balancer out in front of these servers, but I'm curious about the following:
1) Is there a way to replicate IIS entries instead of having to configure the site on each server?
2) How does everyone handle file replication (hopefully in real time) across all servers?
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Apr 15, 2008
A couple days ago I bought 3 Dell Precision Desktop 360s for the purpose of Load balancing for a web server supporting Apache/php/mysql.
The Dells have:
Code:
Win XP Pro,
1 gb 3200 ram - can support up to 4,
p4 2.4 ghz,
2 scsi raid 36 gb hdd
How can I create Load balancing between 3 identical* web servers: by SCSI, network, or something else?
* Bought them all used. Quality tested the hardware, all of it identical.
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Apr 5, 2007
is there any way to do this? I know the clustering system built into whm is only for DNS, not for actually serving websites. What I would like is that visitors to a site could be directed to one of two servers, transparently (no www.server1.site.com, www.server2.site.com, it looks idential but are just directed to different ips).
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Sep 28, 2009
1. Is it possible to get a server in US and a server in Europe and load balance the two servers so that it would detect where the user is from and based on the users location, it would send the traffic to the right server? is this something a load balancer can do or does this have to be done on the php end to detect and send to the right server?
2. is there a way to sync the two servers meaning, we upload the files to one server and the other server automatically gets updated or synced with the original server?
Thank you
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Mar 28, 2008
I was wondering if it is possible to cluster 2 web servers and 2 mysql servers with only one server working as load balancer.
I am planning to use LVS (ldirectord and heartbeat).
Let's say I have 3 IPs allocated to the load balancing server.
111.222.111.222 (Main IP)
111.222.111.223 (Web Load Balancing IP)
111.222.111.224 (MySQL Load Balancing IP)
If a connection is made to .223 it would pass the request to one of the web nodes.
If a connection is made to .224 it would pass the request to one of the MySQL nodes.
Is it possible to do this?
If not, can I run, for example, nginx on 223 IP address to provide forward proxy? (Then it would not be able to HA but the main point is to load balance so)
Also, what would be the best way to keep the data same on both web servers? This is a web cluster for a very high traffic forum with a lot of uploads every hour so it has to do real time synchronization. I heard that DRDB is only one way and not two way so I'm not going to be able to use this.
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Feb 20, 2008
There's something I've been desperately trying to resolve, but failed, and the question is
can load balancing solution be applied to a shared hosting plan, will I need two plans in this case? Or is it only possible for dedicated servers?
Does any host provide load balancing (round robin will be the most frequently used type, I guess)?
Questions to those using Serverpoint.com and Hostgator.com do these hosts offer load balancing?
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Aug 6, 2008
I'm looking for a reliable hosting provider with a well-connected network and a responsive customer support team. I like my current provider, but they can't handle DB clustering, SANs, etc.
Details are below. I would provide all of my own OS and DB software. Suggestions based on first-hand experience would be appreciated ......
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Sep 30, 2007
I would just like to no how you would load balance 2 sites. Would this be done via dns settings. EG
instead of seting the domain to something like
ns1.server1.com ns2.server1.com
would it be?
n1.server1.com ns2.server2.com
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Dec 4, 2008
Load Balancing a specific cPanel account over multiple servers
I have a couple of my clients cPanel accounts that I would like to load balance over two or three servers. Is this possible?
If load balancing is not available, what about auto failover?
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May 7, 2008
what can make site load faster other than replication
(well lets assume that design wise it is ok and doesnt content heavy contents...)
i have heard that increasing networking speed at the server level can make site much faster...
is it true..?
is there any tweak bandwidth wise...
suppose we get 1tb bandwidth per month compared to 100gb ...
will that make site faster...
we want to host a photogalley site...which is fast or images are shown in faster way....
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Sep 11, 2009
I'm trying to find a low cost solution for realtime file share replication in a windows environment.
It doesn't look like there are any open source windows cluster filesystems around, so the only viable option I found would be running OpenFiler in a replication cluster on Hyper-V nodes. Has anyone worked with this, does it work reliably?
The required IO throughput on these shares would really be minimal and my biggest concern is 100% availability.
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Jun 21, 2007
I want to have a fail over for my server. I was told that load balancing is the way to go.
Could anyone give me some instructions of what I would require. My primary server contains Cpanel.
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Apr 8, 2008
the loads on my server is VERY HIGH and it needs to be upgraded fast.
I really have no clue as what to do... and i do not know any expert other than you people here - to help me out and put me on the right track.
i was thinking of
1) Getting a server with better CPU and more RAM
2) Load Balancing
However I know nothing of load balancing (other than how to spell it correctly )
1) Which of the above two options should i choose?
2) what are the extra costs in load balancing?
3) what should i know about load balancing before deciding?
4) How does load balancing work? I know there are two server - like one for database and one as webserver... but how does this work together?
5) what config should i be looking at in the two servers?
I'll stop here else i can go on and on and on...
I am giving the details of my server and service below, in case you guys need it.
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Sep 18, 2007
We host a large number of small websites and are looking for high-availability and the ability to do maintenance on our application servers, so I'm looking for a load balancing solution. At this point, I'm considering Zeus ZXTM LB software, the Coyote Point e350si, and potentially an F5 1500 LTM.
The F5 solution is a total budget buster, and the Coyote Point UI is rough around the edges, but I've used them and they are reliable. Zeus looks like a winner with a great UI, but I haven't heard much about their reliability.
Bandwidth requirements are low at this point, so this is mostly about reliability and ease of configuration of a moderately complex set of services.
Any opinions on these vendors, or alternates I should consider?
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Oct 23, 2007
I run a GSP (Game Server Provider) and i just baught 2 new octi xeon servers(Intel 5320)
i am having a problem with the load balancing, it dosen't balance de cpu usage on all cores but only on one, and it gets at about 80-85% and 3%CPU usage on the other one.
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Jun 18, 2007
I was currious as to some suggestions you guys may have for setting up a load balanced website...
I would preffer it to be software based and free as I am just using this for some testing purposes.
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Jul 11, 2008
I'm looking at load balancing a group of servers located at different data centers.
How feasible is this? Which options/solutions should I take a look at?
I would like to route using some sort of IP tunneling or similar so that the user doesn't see ww1.domain.com etc.
I will be distributing the load of the static/dynamic web pages, no database clustering.
I would prefer something a bit more intuitive than round robin. Perhaps directing incoming traffic based on existing server load etc.
Most of the load balancing solutions I've looked at assume all your servers are on the same local network.
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May 22, 2009
I am looking for a load balancer because my website is growing really fast.
I basically need 2 identical servers that will be used to spread out my traffic
Which company offers the cheapest for this?
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Sep 9, 2007
Our server is going down due to several reasons. We decided use load balancing or clustering solution. What are the main difference between load balancing and clustering?
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Jun 12, 2006
I have a growing website that needs to move from its current single-server setup to using a cluster of servers to deliver its dynamic pages.
My current host does not support load balancing among its servers, so I'm left to configure that on my own. Round-rovin DNS doesn't work for me as I'll need certain http requests to always go to the central server (the one with the master database).
My distro is Redhat 9, and I only access the server remotely through SSH. I'm using Apache 2 (and PHP and Mysql).
Any ideas on the simplest way to do this?
I've read a bit about LVS (http://www.linuxvirtualserver.org/) but it seems to require a kernel recompile, which is way beyond the things I would dare to try...
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Mar 1, 2007
Just curious if any hosts have or plan to have load-balanced servers? How did you implement it (hardware or software OS based)?
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Dec 5, 2007
I´m thinking about setting up a load balanced setup. I´ll start with load-balancing MySQL, and after, I´ll go with the webservers. MySQL is currently more important.
I have two different bandwidth providers, with two different networks, in the same datacenter. Pings between both are under 1ms.
I was think about buying 4 servers, two for a MySQL Cluster (NDB), and two for a UltraMonkey Load Balancer setup. The MySQL Cluster API would be installed in another server, currently in use.
So, what else would I need? My intention is to have two servers in one provider, and two servers in another provider. Would this kind of setup require large quantities of bandwidth? Both providers wouldn´t let me pass a diferent cable for this purpose, so I would have to use the uplink.
Also, for webservers, I would only need two more servers, right? Maybe rsync them, and have sessions stored in database would be the best choice?
Thank You
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Nov 9, 2007
I would like to setup a load balancer on my server that handles my traffic.
Is there some program out there to manage this?
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Nov 14, 2008
Looking for quick, easy global load balancing solution. This is actually for a temporary situation (we need to move to a new DC and need to make this seamless as possible). Linux solution preferred if possible. What can we use to get this achieved?
How exactly does it work? does it need VPN between locations or is client redirected to a different IP somehow?
We would consider dedicated hardware solutions provided that we can get 2 pieces for under $2,000 total (ebay i guess).
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Aug 13, 2006
I would like to setup a load balancing pair of servers. Currently, I have about 7 servers, all of them working stand alone. I would like to use two of them to host some "power-hungry" websites, that require high availiability. What kind of hardware will I need to do it? I´ve already searched for some, and found load-balancers from F5 which seem to be very good, however they seem to be very expensive (9000 dolars maybe?). Is there any solution which might end cheaper? Will I need anything else?
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Oct 12, 2006
I'd really like to set up load balancing for one of my CPU heavy apps. (it's on about 10 machines that are NOT identical, ie. some big, some small)
Currently, I just use a PHP script to direct people to various servers, but it doesn't handle balancing & failover well, and I don't like that the URL changes to www2, www3, www4, etc.
I've looked in to some simple balancers like Pen, Pound and Balance, but I can't find a crucial weighting / balancing configuration. I've also looked at DNS round robin, but that doesn't seem to be sticky, or have weighting or failover.
So, is there any simple http load balancing software that can handle my requirements?
- Stickyness
- Weighted Balancing ( preconfigured or based on responsiveness)
- Failover
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Oct 11, 2007
we are running Microsoft SQL 2005 Express edition (9.0.32).
Recently I just noticed that the database log file of our main database is HUGE. The database data file is only 50MB and the log file is 210GB.
Any idea what is causing this? Seems to be getting bigger with time, in the last 7 days seems to have grown by 100GB. I noticed the following settings under the database:
Autogrowth: By 15 percent, unrestricted growth
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May 6, 2008
I'm working on a script to help users get routed to the nearest, fastest server for the best ping. I'm in 2 datacenters, one on the east and one one the west coast of the US.
I've looked at some of the geo lookup programs based on IP, but they either seem inaccurate or expensive.. and just downright difficult to use.
I found out that some geo load balancers use the connection speed to figure out the best route. So, I'm trying to think of a way of timing the users connection from multiple server locations.
Has anyone here done that sort of thing before? Any suggestions on how to best do that?
Two completely different methods I've considered:
1. putting 2 images on a web page, and using javascript to time the loading of them.
2. pinging the user IP from each coast and seeing which is fastest. (Is there a lighter way than ping? )
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Jun 30, 2008
i've got a server that averages 3-4 TB a month. it is starting to max out the limits on the servers capacity and i want to setup another server on a different network that can help load balance, and if one of the servers are down for any reason the other server would take on all the load while the other server is down.
what is the best solution for this?
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Feb 12, 2008
My company is trying to setup a large network to serve around 2.5 million monthly visitors. We are in need of a network consultant to help us out. Does anyone have any recommendations?
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Oct 18, 2008
While I'm fairly familiar with running and serving Java applications (how they handle their load..etc) I'm fairly new "mass" hosting PHP applications.
PHP has a lot of advantages though, for example it's a lot more stateless and you can run a lot of PHP applications on a server.
As part of some new work I'm undertaking I need to come up with some decent infrastructure for PHP hosting. We want to get this right so I'm taking advice here as well.
My configuration would most likely be something like ....
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