vmware HA replacement

[menora]

hello all, if for any reason that i can't have vmware ha (e.g. can't afford it), is there any way or software can achieve the same thing?

[Texiwill]

Hello,

VMware HA uses Legato AAM to do its magic. You could easily create your own tool to do so. Sort of a poor man's cluster. Basically Legato opens a connection to other hosts and sends a heartbeat, if the heartbeat is missed for a period or time it considers the host to be isolated. Not only that if it detects the SC links are down it considers the host is isolated.

There is quite a bit more it does, as a developer/programmer, I actually consider this to be a non-trivial bit of code. But it is possible to roll your own if you have the ability. Remember there is quite a bit happening behind the scenes. Also, if you are using VMware ESXi, there is no way you plug and play your own within ESXi....

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.

SearchVMware Blog: http://itknowledgeexchange.techtarget.com/virtualization-pro/

Blue Gears Blogs - http://www.itworld.com/ and http://www.networkworld.com/community/haletky

As well as the Virtualization Wiki at http://www.astroarch.com/wiki/index.php/Virtualization

[menora]

is there any other software products or applicance can do the same trick without costing that much?

[Texiwill]

Hello,

VMware used to have the 'poor man's cluster' but they took it off the site when HA was released. Other than that, you may want to look at how LinuxHA works. Granted I have not tried that as it requires drivers I believe to make work.

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.

SearchVMware Blog: http://itknowledgeexchange.techtarget.com/virtualization-pro/

Blue Gears Blogs - http://www.itworld.com/ and http://www.networkworld.com/community/haletky

As well as the Virtualization Wiki at http://www.astroarch.com/wiki/index.php/Virtualization