Highly Available Web Pages, Apache and PHP as an Example

Several weeks ago, I discussed how to have a highly available file storage and a highly available relational database.  With a robust supply of file system and database service, we can stack more services on top.  Today, I take Apache and PHP as an example how to have a highly available web server.  As usual, … Continue reading Highly Available Web Pages, Apache and PHP as an Example

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Highly Available MySQL Server

Previously, I have discussed how to setup a highly available block device and also a highly available file system.  In this article, I further demonstrate how to setup a highly MySQL database service. Installing the Packages As usual, one will need to install the package on two hosts and it can be easily done by: … Continue reading Highly Available MySQL Server

Highly Available Network File System

In the previous article, we discussed the way to create a highly available block device by replication.  We continue and attempt making a network file system (NFS) on top of it.  We first discuss the procedures to start and stop the service.  Then we have the script...  Some parts are deliberately missing due to my conflict … Continue reading Highly Available Network File System

Highly Available Storage Target on FreeBSD

To achieve highly available service, it is vital to have the latest data available for restarting the service elsewhere.  In enterprise environments, multipath SAS drives allows each drive to be accessible from multiple hosts.  What about the rest of us, living in the cloud of / or inexpensive SATA drives?  Highly Available Storage Target (HAST) is the … Continue reading Highly Available Storage Target on FreeBSD