Online resize of an iSCSI multipath device with GPT partition. Requires no server restart, but the partition needs to be unmounted and not in use. Continue reading
Tag Archives: CentOS
Active/Passive Cluster With Pacemaker, Corosync and DRBD on CentOS 7: Part 4 – Configure Fencing (STONITH)
The following is part 4 of a 4 part series that will go over an installation and configuration of Pacemaker, Corosync, Apache, DRBD and a VMware STONITH agent. Continue reading
Active/Passive Cluster With Pacemaker, Corosync and DRBD on CentOS 7: Part 3 – Replicate Storage with DRBD
The following is part 3 of a 4 part series that will go over an installation and configuration of Pacemaker, Corosync, Apache, DRBD and a VMware STONITH agent. Continue reading
Active/Passive Cluster With Pacemaker, Corosync and DRBD on CentOS 7: Part 2 – Add and Configure Resources
The following is part 2 of a 4 part series that will go over an installation and configuration of Pacemaker, Corosync, Apache, DRBD and a VMware STONITH agent. Continue reading
Active/Passive Cluster With Pacemaker, Corosync and DRBD on CentOS 7: Part 1 – Cluster Installation
The following is part 1 of a 4 part series that will go over an installation and configuration of Pacemaker, Corosync, Apache, DRBD and a VMware STONITH agent.
The aim here is to build an active/passive Pacemaker cluster with Apache and DRBD. Continue reading
Install Graylog Server 1.x on CentOS 7
Installing a Graylog2 log management platform for collecting, indexing, and analysing data. Continue reading
Setting up a Load-Balancing Cluster with Heartbeat and Ldirectord
We will be setting up a load balancer with Heartbeat and Ldirector on CentOS 6. Continue reading
Set up CentOS 6 Linux Server as a Router Using Iptables
Configuring CentOS Linux server as a router. Continue reading
Setting up a Load-Balancing HAProxy Cluster with Keepalived
We will be setting up a load balancer using two main technologies to monitor cluster members and cluster services: Keepalived and HAProxy. Keepalived uses LVS to perform load balancing and failover tasks on active and passive LVS routers, while HAProxy performs load balancing and high-availability services to TCP and HTTP applications. Continue reading
Setting up a Load-Balancing LVS (Direct Routing) Cluster with Piranha
Article is heavily based on the previous one about Setting Up a Load-Balancing LVS (NAT) Cluster with Piranha, but this one aims to show how to configure an LVS cluster with direct routing rather than NAT.
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