datastores

Recently I came across an issue after recently upgrading an environment from ESXi 4.1 to ESXi 5.1 update 1 when I started to get issues with snapshots filling up LUNS.  After analysing what was going on I noticed that when a snapshot was initialized, the snapshot file placement was different and was causing space issues. On ESX 4.x environment the delta disks were stored in the directory specified by the workingDir parameter. This was typically the same directory as the configuration files for the virtual machine On ESXi 5.x environment to facilitate the improvements to Storage vMotion and the new Storage DRS feature, a change to the snapshot process…