Tagged Questions

0
votes
1answer
78 views

How to setup a failover solution for Windows 2003 SMTP Server?

I'm currently running Windows SMTP Server on a rented Windows 2003 Server VM. There are times when my hosting company network is down and my clients can't send their emails via the SMTP Server host I ...
0
votes
0answers
59 views

Redundant hosting solutions for minimal downtime [closed]

I am looking to host a booking application that if it went down for any long length of time there could cause massive disruptions to business operations for our users. Are there any good quality ...
4
votes
3answers
185 views

Should redundant servers have exactly the same configuration, or slightly different?

If you provide a service on two servers to ensure high-availability, is it better to configure them in exactly the same way, of instead should you introduce slight differences to prevent "freak ...
0
votes
1answer
62 views

Redundance for different processes running on the same server

We have a system consisting of different components/services like database, webserver, fileshare, some self programmed daemons, etc. We now have the requirement to make all components/services ...
10
votes
8answers
3k views

Load balancing Apache on a budget?

I am trying to get my head around the concept of load balancing to ensure availability and redundancy to keep users happy when things go wrong, rather than load balancing for the sake of offering ...
0
votes
2answers
54 views

mysql redundancy with mixed storage types

Looking at building redundancy into our system, as we are currently, um, exposed should anything blow up. We have a large-ish DB (150G), consisting of a mix of innoDB and myISAM table types. We want ...
1
vote
2answers
104 views

need scalable, highly available transactional log server

My requirements: 1) must be able to continue operating after node failure 2) logs must be recoverable after node failure - no data loss 3) must be able to scale out 4) must be transactional - when a ...
0
votes
2answers
466 views

HAProxy to the rescue? (multiple machines w. vhosts)

This is more of a 'best practice' or 'input appreciated' question. Currently we manage about 5 webservers (in two DC's) that run Nginx for PHP websites. The plan is to redesign the setup so it is ...
5
votes
4answers
2k views

Providing high availability and failover using MySQL on EC2

I would like to have a highly-available MySQL system, with automatic failover, running on Amazon EC2 instances. The standard approach to solving this is problem Heartbeat + DRBD, but I've found a lot ...
0
votes
2answers
201 views

How common is it to use additional dedicated servers for redundancy?

I'm new to handling the infrastructure for production service deployments. My intuition tells me that if I want to have my service be "up" as much as possible and yet can only afford say 2 dedicated ...
2
votes
2answers
422 views

tools for geographical redundancy

I'm writing a spec for a high availability application. I need a low budget solution to be able to failover between two data centers. Replicating databases and content I'll be able to manage solutions ...
0
votes
2answers
370 views

Can you recommend a failover solution for setups running multiple VPSes?

Here's what I have to work with: Root access to VPSes with different hosting companies that run CentOS only Two dedicated nameservers with over 100 zone entries Several webservers hosting the same ...
5
votes
3answers
527 views

SQL Server clustering options

Can anyone give an high-level overview of the options available for SQL Server clustering, their pros and cons? Is it better to use Microsoft Clustering services or SQL Server native clustering? Does ...