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7
votes
4answers
16k views

How to build a high availability Postfix system?

I'm needing to set up a remote mirror for a postfix server (where the content of both mail servers should be the same at any time). The idea is that if the main server comes down at some point the ...
2
votes
4answers
459 views

SQL server failover clustering

How many failover clustered nodes can you have?, and if you add more and more nodes, is it going to slow down?
7
votes
6answers
19k views

Why are my HyperV VM's randomly losing connectivity?

I have a strange intermittent connectivity problem happening about once every two weeks. First my configuration: I am running a HyperV failover cluster with two physical hosts (node01 and node02). ...
3
votes
2answers
1k views

Set up DPM to use hardware VSS Provider with EMC Clariion SAN

We recently purchased an EMC Clariion AX4 SAN and we're using it to provide storage for our Hyper-V virtual machines. I've already got the servers registered with it and configured the failover ...
2
votes
4answers
4k views

linux + create simple watch dog process in shell script

I need to create watch dog process (will run in linux version 5.x) that look all time on /etc/cluster.cf file And if the process matches the string: machineA_is_active in the cluster.cf file Then ...
0
votes
2answers
341 views

File Sharing using Hyper-V Shared VHDX

Is file sharing by simply using Hyper-V Shared VHDX on CSV attached to two VMs possible ? I'm testing SVHDX in my environment and I can't get it working. We have setup failover cluster and CSV backed ...