[Q] Disaster recovery solution for SmarterMail Server

My SmarterMail server is implemented in Windows server 2019 physical server. I couldn't find more than the following link for some kind of disaster recovery solution related to SmarterMail.

https://help.smartertools.com/smartermail/current/topics/installation/failover.aspx

Customer support confirms that currently SmarterMail does not support data replication as this causes locking and corruption issues as the files are continuously being written to. Among SmarterMail users, is there anyone that implemented disaster recovery solution for physical server. I appreciate your sharing information in advance.

Woochun

Gabriele Maoret - SERSIS Replied

1/11/2022 at 10:31 AM

We use Hyper-V HA Cluster with redundant data storage.

Also we have a Hyper-V replica to a second Datacenter (to a single Hyper-V server, not a second cluster)

The SM server, obviously, is a VM.

Backup is made by Veeam.

Never had a issue.

Previously we were using only Hyper-V replication (no HA cluster) and even this was working great.

Gabriele Maoret - Head of SysAdmins at SERSIS Currently manages 6 SmarterMail installations (1 in the cloud for SERSIS which provides services to a few hundred third-party email domains + 5 on-premise for customers who prefer to have their mail server in-house)

Bruce Replied

1/12/2022 at 1:07 AM

We have also used Hyper-V replication to replicate Smartermail without an HA cluster.

We have around 12,000 mailboxes approaching 2 TB of storage and lots of activity in SmarterMail handling around 60,000 emails each day and have no issue using this method, which we have been using for around 10 years.

We are using a couple of SuperMicro Xeon E servers with NVMe SSD's on the primary server and SATA SSD's on the replication server and use a 1Gbps network between the two servers, so you don't need any expensive hardware.

You can also replication failover and reverse the replication when you need to do hardware maintenance which avoids lengthy downtimes.

We use Altaro for the backup on-site and off-site rather than Veeam.

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