In the previous articles, i’ve been explain how to install and configure Zimbra on CentOS 6 or CentOS 7, how to install and configure online failover/failback on CentOS 6 using Heartbeat and how to install and configure data replication on CentOS 6 using DRBD. All above guidance could be combined to get Zimbra High Availability. For ..
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After configuration DRBD in the previous article, we must test first for ensure whether DRBD has been working properly or not. This is some testing to ensure DRBD has been worked # TESTING ON NODE1 – Create folder tmp in /mnt folder mkdir /mnt/tmp – Mount DRBD devices into tmp folder who has been created mount ..
This article will explain how to configure data replication/synchronize using DRBD application. According this article : http://drbd.linbit.com/ DRBD® refers to block devices designed as a building block to form high availability (HA) clusters. This is done by mirroring a whole block device via an assigned network. DRBD can be understood as network based raid-1. For configure DRBD, we ..
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