What happens to the VM Snapshot data takes place

Hi, we are looking at the use of snapshots of Virtual Machines. Virtual Machines but it is my understanding that the virtual machine will be unavailable for some time while the snapshot is running in mode of snapshot using Vmware utilities and he... My question is;

What will happen if some data are sent to the virtual machine while the snapshot is in progress? Not the virtual machine will be reported as unavailable or ESX server will hide data and confirm once the VM comes out of the Snapshot mode. The virtual machine in mind will be RH Linux running mySQL. We want to make sure that attempts to write to the database mySQL when the snapshot will cause no data is lost.

Thanks for any information on this for Windows and Linux VMs.

brand

Hello

We do a lot of snapshot'ing in our environment. And we saw some problems on some servers. Mainly SQL servers.

If you make a consistent snapshot of memory that you will normally be that the server is unavailable for 1-20 sec. In this period of

time that rely you on the other end capacity of rebroadcast and bad connection to the server and continue communicting.

As far as I know the does'nt of ESX servers keep any data in piriod when the virtual machine is not available.

See also this thread to-> > http://communities.vmware.com/message/752230#752230

Best regards

Lars Liljeroth

-

Tags: VMware

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