Wednesday, November 9, 2016

Zimbra HA (High Availability Clustering) Mail Server Solution in Bangladesh.

Zimbra HA work?

Installing Zimbra on the High Availability Clustering (Active / Passive) or Zimbra HA is primarily intended to enhance the stability of corporate mail systems make Your Mail Server, organizations can access and use it all the time (uptime 100%) along. installation of surveillance and tracking the status of each service on the server. If any service is stopped, the system will stimulate Zimbra Mail Server on the back-up alternative work immediately (Prevent a Single point of Failure)

The installation of Zimbra HA server newsprint. Technology use DRBD (Distributed Replicated Block Device), which is software for copying data to disk through a network of open source has been the most popular. The copy data between the Zimbra Server in the main Block Device (Active) and UPS (Passive) and realtime (Realtime Sync).

Highlights of Zimbra HA

✓ cost-saving technology reduces the Open Souce License Center.
✓ Secure data storage is not lost on the Zimbra Server 2 machines.
✓ add maximum stability (Uptime) with surveillance downtime in service.
✓ system Zimbra High Availability Clustering uncomplicated maintenance.


FAQ About Zimbra HA (High Availability Clustering).

There are many types of High Availability Solution?

Divided into three categories: The first category is High availability clustering (HAC) focus on building a computer system to run back to each other (Redundancy) The second category is High performance computing clustering (HPC) focused on creating a powerful computer for processing. the big data The last type is Load leveling (load balancing) clusters focus on creating a computer system to load. The service Zimbra HA Server Today will focus on the installation of a High Availability Clustering (HAC).

Why install Zimbra on High Availability Clustering Infrastructures?

Email a communications major corporate installing Zimbra HA Clustering reduces the business impact stemming from the email server crashes (Single Point of Failure) helps prevent data loss. Enhances system stability Email Server (increased uptime), as well as reduce the inconvenience caused by maintenance work, such as plans to update the kernel to reboot the server. All the systems are virtually no downtime, any user can access and use corporate email continuity at all times.

Zimbra install the Active / Active Clustering or not?

Active / Active Clustering the servers will be used in both. Distributed load to each server. The complexity and cost of installation and maintenance is high. Zimbra HA solution we recommend the installation. Active / Passive This will only work on a single server. The server itself is in a ready state or Standby Mode (but still have time to Sync Data), which is appropriate. Solution for HA systems of Zimbra Email Server also has a cheaper cost. Active / Active .

Technology, DRBD is?

DRBD HA cluster software is software with open source. Work on the kernel level by adding layers between the driver disk and file system DRBD will copy data in Block Device from the source server to the destination server in realtime. Like a RAID-1 data Zimbra Server on the network.

Zimbra can install the Disaster Recovery Site (DR Site) or not?

DRBD technology is one of the alternatives to be recommended for preventing business disruptions caused by the disaster. Because a copy of the data over the network in the Block Device with realtime recovery process system is fast and easy to do. Traditional offsite-backup.


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System Engineer & Administrator

Zimbra/Zimbra HA/Postfix/VMware/Expert-RHCSA,RHCE
Address: House # 5/1, Primary School Road, Kallayenpur, Mirpur, Dhaka-1207, Bangladesh.
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