Plan the allocation of storage on your ztC Edge system to ensure that you have space for your virtual machines (VMs) and system management needs.
When allocating storage to your virtual machines (VMs), consider the following actions:
Observe storage maximums
The Stratus Redundant Linux software does not allow over-provisioning of storage. The aggregate required storage for all VMs and VCDs must be no more than the total available storage in the ztC Edge system.
Leave storage space for additional VCDs
Leave at least 5 GB of free space to allow room to create VCDs for installing additional VMs and applications. (To conserve this storage space, consider deleting VCDs when you are finished using them.)
Create separate boot and data volumes for each VM
Install the guest operating system and applications in the first (boot) volume, and create separate volumes for associated data. Separating the boot and data volumes helps to preserve the data and makes it easier to recover a VM if the boot volume crashes.
Create a boot volume with enough capacity for the guest operating system plus overhead
Observe the minimum space requirements of your guest operating system and consider allocating slightly more space to account for the formatted capacity of the volume and usage. For example, if you allocate 5 GB to the boot drive when creating the VM, the formatted capacity of the boot volume starts at approximately 4.8 GB before usage, and this might be insufficient to meet a 5 GB requirement.
Observe the maximum volume size
When exporting, importing, or restoring a volume, note the maximum volume size, as listed in Important Considerations.
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