Change of Machine virtual Swapfile location and impact on vMotion?

Hello

I have a DRS and HA permit 2 Server ESXi 4.1 cluster. We are having a problem with the issue of disk space on the LUN for which we intend to change the location of the pagefile to a different SAN LUNS on each host ESXi virtual machine. I'll create 2 SAN LUNs, one for each host store the VM swap file. I want to know is what I SAN LUNS as a single server or servers in the area? If I do not these 2 LUNS for both servers then it will affect the vMotion? VMotion will be able to migrate a VM from one host if SAN LUN on which swapfile resides is not accessible from another host?

Thanks in advance!

Please note what file is located on datastore (unshared) local when you vMotion, virtual machine from one esx host to another host esx, vMotion time increases because during vMotion swapfile even is migrated as it has the memory of the virtual machine state. So this explains why there is an impact.

Arrived at the point of storing VM Swap file on the shared storage. In fact, it's best practices for two reasons.

1. you don't finish save swap files

2. your storage space is used efficiently

3. If you are replicating LUNS on remote site, you can exclude this LUN

If you want more details please see this white paper from NetApp.

NetApp and VMware vSphere best practices storage (TR-3749)

It may be useful

Thank you

Preetam Zare

Tags: VMware

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