Installation of VMware server redundent

We run a server VMware (VMware ESX Server version 3.5.0 Update 2).  I have about 8 virtual machines running on the server.  We backup each virtual machine in the virtual machine, not outside of it.  I want to buy an additional VMware Server which will provide redundancy.  The second server VMware will also store some VMS, but there will be enough space on the two servers if you die, I can restore to another.  Someone please lead me in the right direction?  I.E. - is there a component of VMware that I need to follow both servers support between them?  Outside the redundant material, purchase another license complete for VMWare ESX Server?

Hello

Need you depends on the level of redundancy, you need.  Here are some examples... If you have X ESX hosts you will need X licenses regardless of the method of redundancy.

Using VMware HA failover mode, this requires a shared either NFS over TCP (NAS), iSCSI, or SAN storage. Some of the features of type available non - NAS NAS are HP LeftHand Networks VSA and Xtravirt XVS. The latter two run from your ESX and VMS host and maintain redundancy between the nodes.

Redundancy via SAN/NAS replication is also available and VMware SRM fits in do SAN/NAS to SAN/NAS replication.

Redundancy through replication using elements such as Veeam Backup and Vizioncore vReplicator, which are tools of software replication to replicate virtual machines from one node to another.

Redundancy via the backup and restore. This method VMs from one host backups and restores to another host. It is very similar to the replication but heavier.

How redundancy you want depends a bit much you are willing to spend, but if you have 1 node and you want to replicate to another node, you need at least 2 licenses of VMware ESX to get there.

Best regards

Edward L. Haletky

VMware communities user moderator

====

Author of the book "VMWare ESX Server in the enterprise: planning and securing virtualization servers, Copyright 2008 Pearson Education.»

Blue gears and SearchVMware Pro Articles: http://www.astroarch.com/wiki/index.php/Blog_Roll

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