Redundant VPS Solution
Apr 14, 2007
I have a few VPS's, the main one has cPanel/WHM and runs all my sites / email / DNS and MySQL DB's. Heres a little info:
VPS1 - CentOS 4.4, cPanel/WHM, runs all domains (OpenVZ)
VPS2 - CentOS 4.4, Webmin, Slave DNS to VPS1 using Webmin cluster (OpenVZ)
VPS3 - CentOS 4.4, Webmin, Slave DNS to VPS1 using Webmin cluster (Xen)
However, if VPS1 fails for say 24 hours, im screwed!
So, my question is can I get some kind of redunadancy built in somewhere. For example if someone is trying to access my domain "mydomain.com" and the main VPS is down, then the request for the site would go to VPS2, or VPS3...
The same for the mail server, if some is sending mail to one of the domains on the VPS, and the main VPS was down, the mail would be sent to my other VPS's.
I just don not like the fact there is a single point of failure!
I do have WHM managed Weekly and Monthly backups of all cPanel accounts etc.
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Oct 6, 2009
I have been working on and designing a hosting company. Now setting up my names servers has came to a question. When I ran a previous business with a partner he only use Name Servers on 1 Machine in 1 location.
Now my question is my first server is going to be located in New Jersey, USA . So that is where My first set of DNS starts. With my previous partner I noticed most of the customers were based in Europe, Philippines, etc. Over seas. Now What I am asking is Will a VPS in a different location work for DNS Server. That way I can keep a lower budget till we get a few customers under out belt.
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Apr 8, 2009
Because of the attack on theplanet yesterday, my sites were down.
People are mentioning adding "redundant DNS servers" to protect against downtime in future attacks.. but I haven't found any info on how to set these up.
I also seen somebody post that the planet doesn't allow "zone transfers" so I'm a bit confused at how to proceed.
I just registered an account at [url] and I'm unsure on where to begin. Their FAQ is just a large photo.
My .com is registered at Godaddy. Do I edit records at godaddy to point to the server IP? Or do I have to edit records via WHM?
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Aug 13, 2009
I currently run spiderloop.com a SEO control panel designed for windows hosting accounts. The site and web service is hosted on our own server and works great, however I am concerned about redundancy and do not want to purchase a whole other server just to be fail safe. So I am going to purchase a shared hosting account to facilitate redundancy.
So here is the question.
How do I do it? How do I set up my current host to redirect to the new host when it goes down?
If the current host has problems how can I force the users browser to redirect to the redundant host? I simply don't understand.
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May 28, 2008
I have a renewal bill for my hosting account, but I can't see if I have any domains in it and therefore not sure if I should cancel it or not. I am with bright-byte.
Can I do a domain tools reverse search or something on the domain so it can tell me which of my domains are with that host?
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Mar 18, 2007
I've decided to move from managed hosting to colocated hosting and I'm in a bit over my head as far designing the server configuration goes. I'm looking for assistance with setting up a fully redundant configuration with no SPOF (single point of failure).
The colo provider ensures full redundancy to the cabinet, terminating with two network drops from diverse bandwidth providers and HSRP. I need to eliminate all SPOFs inside the cabinet.
Some questions...
1) I'm thinking of using the Cisco 2960 Series switch as the in-cabinet distribution switch. I believe it supports HSRP. From my understanding, the switch will automatically failover from one uplink to the other in case of a network problem on one of the uplinks, and this will all be transparent to any servers connected to the switch. Is this correct?
2) However, this introduces the switch as SPOF. So, I believe what I need to do is ask the colo for a second pair of network drops and deploy a pair of 2960's. Then I would connect each server to both switches via separate NICs. Is this correct?
3) Finally, assuming I am on the right track here, I would like this to all be transparent and automatic with no human intervention required to recover from a switch failure. The servers will be running RHEL 4. How would I configure the network interfaces on the servers so that they can transparently use either (or both) of the switches? Is there some way to assign the same IP address to more than one interface? How does the OS keep from getting confused about where to send the traffic?
Thanks in advance for any insight. I would also be happy to hear recommendations for excellent network consultants that I could hire to design and implement this configuration for me.
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Sep 15, 2007
I have two servers. One hosts about 55 small sites and the other does nothing.
Can I make use of the spare one to take over automatically if the main server fails for whatever reason?
I had been thinking of using Rsync to backup accounts / mail every 6 hours or so and then manually changing the nameservers on the domains in the event of server1 failing. Would that even work? Then I got thinking about it all being automatic.
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Jun 11, 2009
We are a hosting company in Colombia, and we want start selling corporate email service.
The main idea is have two servers with redundance, I think this servers have to share the filesystem I don't know if using a scsi disk or just a network file system. We also want to have a good appliance for stop the SPAM, Im not so sure if we need to have redundance on it, its ideal but we are just starting the bussines and we dosn't have cliets yet.
Can anyone share their setup with us, and give us recomendations or tips?
Another option is, if someone know how to do that and have implemented this setup before and want to work $$ with us to implement that, please contact me to jbravo[at]colombiahosting.com.co
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Aug 29, 2007
to setup a Windows server that can support the failure of the switch that comes before it in the network diagram. The idea would be that if the 15A circuit the switch was on failed, or the switch just died, the server would still be online.
I already have two switches in spanning tree just before the server. Is there a way to assign a single IP to the server on both its network cards and connect each card to a different (spanning tree'd) switch?
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Jul 30, 2007
I'm upgrading my server again and now that we have 8 disks we need to upgrade our power supply (I was told).
But do I really need a redundant power supply Or can I just buy ONE 650 watt to upgrade?
These are my current server specs:
Quote:
2 X AMD opteron 270 dual core
2 X 2 GB kingston PC3200 DDR ram
2 X 1 GB kingston PC3200 DDR ram
(6 GB total)
8 X seagate cheetah 15k.5 SCSI 73.4 GB, U320, SCA in raid 10
1 X LSI megaraid 320-2x raid controller, dual channel
1 X Tyan thunder 8KSE (s2892) mobo
1 X 2 * 4 port chenbro scsi backplane (8 ports total)
2 X AMD CPU cooler
2 X 40X40X10 fans
(Currently 1 X zippy P2G-6510P, 2U, single power supply, 510 Watt)
1 X Sony FDD 1.44"
1 X chenbro RM311, 3U case with 8 hot swap bays
1 X LG DVD/CD-rom burner
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Jun 5, 2007
I'm in the process to setup a new service with an ISP with the following scenario and need your help.
I've got the rack (42U), servers and switches. Only routers has been left and here is that I need your help.
I have also 2 ports from the ISP where I can connect my routers. I need to get 2 router devices with auto sync feature in order to be able to setup a redundant plan in case that one of them goes down.
Those routers should have firewall features too in order to avoid setup iptables rules for each server. A basic DDoS protection is needed too.
I'm going to push around 100Mbit of traffic across the servers but that will happen after 3-4 months from the initial setup. In the first instance no more than 10-20Mbit will be used.
I heard a lot about Cisco but got no idea what model is the most suitable for my case. I will probably need a module for DDoS attacks and another one for advanced security IOS from what I read but it is not clear to me.
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Nov 5, 2008
Looking for redundant setup, round robin?
I'm looking to make high availability setup, and wondering how many of you have made it so?
we are looking to multi-home the page with a round robin setup, using multiple VPSs/dedicated servers geographically different locations.
Right now i'm still looking at "stale" DNS setup, no automanagement of servers down. Is there a service/software which already offers automatic changes of zones for removing servers which are down, and adding them back when they get back online?
Do i need to custom tailor everything?
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Jan 10, 2008
I have a DB server, running mysql 64bit. I would like to add another server to the mix to build some kind of redundancy if the 1st one were to go down.
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Sep 22, 2009
I currently own several servers: let's say sites on 3 of those servers rely on a website that sits on server 4
If server 4 goes offline, then servers 1 2 and 3 suffer a lack of usability.
The website on server 4 is very small and fast, but receives several hundred thousand visits a day
I figured it would be a good idea to replicate that website on each of my servers, but I'm unsure about how to set up a good redundancy system..
Using several nameservers doesn't work as expected (visitors are randomly sent to one of the nameservers, in no particular order)
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Oct 18, 2009
So the rule of thumb is if you have a 30A circuit to not exceed 80% or 24A.
If I buy a 30A circuit, I am assuming it is protected by a circuit breaker that is 30A, correct?
In *theory* we could run 29-30A all day and be fine.
So, I understand, the rule of 80% to be to the effect that "during startup, equipment uses more power ... or during runtime if it heats up, the fans go faster using more power" so it is safe to be at 24A in case you get spikes to 27-29A.
Is my reasoning correct?
Further, if you run primary/redundant circuits, is there really harm in running 13A on one circuit and 14A on the other.. and in the unlikely event of a failure, you are running 27A on one circuit (at 90% instead of 80%).
Any thoughts on this? Getting an extra 3A out of a 208V circuits is like putting in 3-4 more servers. If someone is doing this please let me know. I think it would work fine but i would like to know from the experts that do the colo stuff for a living what problems i could encounter, if any.
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Sep 29, 2009
Who are the reputed hosts in the market that comes with "Lightspeed Host with Redundant Servers"?
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Apr 15, 2008
We have 2 linux servers with plesk. We want Redundant Dns and backup mail servers for our hosting domains. We already setup Primary nameserver ip address is first server, Sec Nameserver ip address is second Server. like
ns.ourdomain.com - first server ip address
ns1.ourdomain.com - Second server IP Address
and how can setup backup mail server for both servers
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Jul 7, 2009
I have a LAMP server running and would like to have the exact mirror running on another location. I would like to sync the web files and database in either real time (upon any update) or in delayed mode (x minutes after the update).
For MySQL, I believe replication can do the job unless anybody has better recommendation. What would you guys suggest for web files? Can I use different Linux flavor but maintain back the same LAMP version?
Is there any "online" 3rd party load balancing service that I could use to load balance the traffic to both servers?
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Oct 29, 2008
I have registered a domain using godaddy. I have hosted my site on a server of my shared hosting provider(lets call them X).Currently I have pointed mydomain.com to the server and it is up and running.Sometimes, I have experienced downtimes.
In order to solve this problem, I have hosted a clone of my site on another server from another hosting company(lets call them Y).
1. I want mydomain.com to point to Y when X is down
2. again point it to X when it is up.
My main aim is to have my site live with less downtime. The probability having both servers down is very less.
I dont know if it is technically feasible, just a thought out of dirty mind. I tried to google but was not able to find an answer specific to my problem.
Can anybody tell me how to achieve this through godaddy domain.
Added note, My site is not a commercial site and I cant afford large dedicated servers with clustering and failovers.
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May 15, 2007
a dell 1750 with redundant power supply that has two plugs on the back.
But...
Looking at 1U colo with only one plug available for the 1U price.
Is the only solution to use only one of the two power supplies in the Dell 1750...?
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Oct 23, 2007
Hello,
I've tried several companies and I almost gave up the search for what I need. Maybe someone here can help me find a hosting solution with these requirements:
1) A reseller account / Multi domains for different websites
2) ASP + .net + MS Access with mutli-lingual support
3) PHP 5 + MySQL 5
4) Allow Remote access to mysql thru port (not phpMyAdmin)
5) International Fast connection
6) 24/7 support
7) Location: US
Not asking too much I think...
Thanks anyone,
Amir
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May 2, 2009
Can you recommend me backup solution?
Currently I use rsync and I am thinking to use R1Soft CDP
Its worth what is your oppinion?
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Jun 2, 2009
We now have a WHM Vps and also a Dedicated for reselling VPS both located in the UK. At the moment our WHM Vps backs up to an 'Unlimited shared hosting package' but we're sure we're going to be kicked off sooner or later because were using about 50GB storage. We were wondring what everyone else uses to backup? Another disk attached to the server?
Offsite? And how you deal with the extra bandwidth a backup would use.
We now need a solution that can backup our new VPS server and our WHM server. It needs to be in the UK/EU to comply with data protection.
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Apr 29, 2009
Could you get me some input on a setup that should be able to handle 2-500 concurrant VPN users online?
Can be commercial or opensource - ideally not an appliance.
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Jun 24, 2009
Could anyone give me any recommendations on a new backup solution?
The one that I have been using didn't work the past few times, and that is starting to bother me.
I've looked into CDP, although I do not necessarily have the budget for that.
I'm just looking for an easy way to do daily and weekly backups with
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Jan 14, 2009
I almost signed up for the crissic backup service, but I waited because I saw some complaints.
I definitely remember somewhere around here--someone posted that crissic was reselling this backup solution.
Does anyone know what this website? Or Can someone post a similar website?
I really want an offsite backup source, But I really can't afford to pay an extra $60-$80/month for a VPS with the actual datastorage I'll require.
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Apr 8, 2009
we have a vps hosting package through liquidweb which offers 200gb of bandwidth.
Recently we got a bill with an overage fee of $2527.5 for 3370GB additional bandwidth. I looked at all the cpanel logs and since we had the hosting account we never went over 10gb including the month they said we went over 3370 GB. I put a ticket into liquidweb and they said we launched "Multi-media services" during the same month of the overage, resulting in the overage. We did no such thing, the only thing we did was add content to our website. In the end they want us to pay the bill without offering any log or idea where the bandwidth came from. I'm just wondering if theres anything we can do other then just taking a bill for $2500 of unknowns.
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Sep 12, 2008
Been trying to decide the best solution to my problem with my current hosting limitations (site has outgrown current shared hosting...getting lots of suspensions due to high load or "exceeds CPU" errors.
Since I am a developer/designer, I'm wondering if a reseller account would be a solution to my problem.
I was looking at managed VPS as well and trying to educate myself on all the ins and outs.
With a reseller account, are you still sharing with others?
What are the limitations?
Would I have better performance with a reseller account than a regular budget priced shared account? (currently w/BlueHost)
Please educate me so I can FINALLY make a decision. I'm so sick of the problems I've been having lately and eager to find a good solution.
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Jun 11, 2008
We need a High Speed "FTP Storage Solution" for transferring our files securely between our offices.
requirements are simple:
1. High Speed / Good Port Speed in Megs.
2. Unlimited Sub-Accounts
3. Restrict Access by Sub-Account
4. FTP Based Access is Important
5. Ability to Create Read Only / Write Only Sub-Accounts
Space: 2 GB +
Bandwidth: 20GB +
Speed: Speed is Key For us. He need high speed Solution. Something in tune of Many MeGPS connectivity. Not shared.
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Sep 6, 2008
im getting a server redone soon and looking for a small temp backup solution I got about 40gb of data that I need to backup and will need double in transfer. Also hopefully can run some basic web services to do somepicture hosting for auctions I run. Uses a few 100mb/mo. Im looking for rec. of cheap VPS hosting that offer big space/transfer and dont charge a really high setup fee I dont need any kind ofcontrol panel.
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Mar 22, 2007
I am thinking about getting a 2161DS from Dell. Is anybody aware of products with similar specs and has any experience with the overall quality ?
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