Link to home
Start Free TrialLog in
Avatar of Eric_PSU
Eric_PSU

asked on

VMWare ESXi Virtualized Hardware Differences

I work for a small company that recently started to work with VMWare ESXi.  We currently have a single ESXi box that we've been running 4 guests on for a few months now with great results.  We're thinking of buying a second server for ESXi, and I'd like to be able to restore guests between ESXi host servers in case of a hardware failure (the second server would run testing/demo servers, which would be shut down if we need to restore guests from the primary server).  

Since we don't have access to shared storage, I know my options are limited.  I've read about using vConverter and FastSCP to transfer a guest from one machine to another over a network, but I've also heard that the transfer rates can be painfully slow.  I'm thinking we could just restore from windows backup (.bkf) files instead.  I've restored a .bkf to a fresh Windows 2003 install on the same VMWare host successfully.  My concern is that we might run into problems if the physical server hardware isn't identical.

Will the same version of ESXi always present identical hardware to guests, assuming the guest configurations match, regardless of the physical hardware the ESXi host is installed on?  Or can there be differences?

Thanks
ASKER CERTIFIED SOLUTION
Avatar of Andrew Hancock (VMware vExpert PRO / EE Fellow/British Beekeeper)
Andrew Hancock (VMware vExpert PRO / EE Fellow/British Beekeeper)
Flag of United Kingdom of Great Britain and Northern Ireland image

Link to home
membership
This solution is only available to members.
To access this solution, you must be a member of Experts Exchange.
Start Free Trial
but whatever works for your organisation....
If you have big enough storage on the new server to store the vms locally, you can copy them via scp.

http://www.virtualizationadmin.com/articles-tutorials/vmware-esx-articles/general/how-to-access-the-vmware-esxi-hidden-console.html

VMware is basically stripped down Linux.  You can use the instructions above to get to a console.  Then you can change to the directory of the vms /vmfs/storage  then you can use the scp command to copy to the IP Address of the other server.

This can be scripted to run on a daily basis.  
SOLUTION
Link to home
membership
This solution is only available to members.
To access this solution, you must be a member of Experts Exchange.
Start Free Trial
Avatar of Eric_PSU
Eric_PSU

ASKER

Thanks all for the feedback.  It's reassuring to know that .bkf restores should work fine between ESXi servers, in case I end up going with that method for backup and restore.