All ESXi versions

22 Nov: List of VMware ESXi versions supported by VirtuCache

Below is a list of ESXi releases currently supported by VirtuCache. ESXi 8, supported as of July 21, 2023. ESXi 7.0, supported as of  April 10, 2020. ESXi 6.7, supported as of April 25, 2018. ESXi 6.5, supported as of November 30, 2016. VirtuCache for ESXi 6.5 was end-of-lifed on…

10 May: Why are my backup times not improving with VirtuCache?

All the below configurations needs to be applied to VirtuCache and your backup software for VM backup times to improve. 1. Apply the ‘Backup-VM’ caching policy to your Backup proxy VMs. 2. The VM that is being backed up needs to be cached by VirtuCache either using the Write-Through or…

01 Jan: VMs with Duplicate BIOS UUIDs when using Datrium Cloning

VMware VMs have two UUIDs – BIOS UUID and instance UUID. VirtuCache doesn’t support Write-Back policy where multiple VMs in the same vCenter share the same BIOS UUID, even if these VMs have different Instance UUIDs. When using the cloning feature in Datrium (now end of lifed), the cloned VM…

14 Jul: Ensuring that Infinio is uninstalled before installing VirtuCache

A prerequisite to installing VirtuCache is that all other host side caching software be uninstalled. Infinio is one such host side caching software, recently end-of-lifed. Below are steps to ensure that Infinio is indeed removed from the ESXi host. SSH to the ESXi host and make sure the below command doesn’t…

18 Nov: VMs not in Write-Back mode because of Multi-Writer VMDK

In rare cases, one or more VMDKs on a VM could have its ‘sharing’ field (drop-down field in ‘Edit Settings’ at the VM level) set to multi-writer, in which case it is not possible to move that VM to Write-Back caching mode. Such VMs can only be set to ‘Write-Through’…