Deckhouse Platform on Zvirt: Preparing environment

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Selecting infrastructure
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Installation information
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Preparing environment
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Installation
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Getting access to the cluster
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Preparing environment

The Deckhouse Platform on Zvirt installation is not available in the Community Edition. See information about commercial editions.

Before installation, ensure the following:

  • Cloud provider quotas for cluster deployment.
  • The cloud-init package is installed on the VMs. After the VM starts, services cloud-config.service, cloud-final.service, cloud-init.service must be running.
  • The virtual machine template contains only one disk.

Additional requirements and notes

  • For ContainerdV2 on cluster nodes, the OS on virtual machines must meet the requirements:
    • Linux kernel version 5.8 or newer, except for the ranges 6.12.0–6.12.28 or 6.14.0–6.14.6 (these versions are affected by CVE-2025-37999 in EROFS);
    • CgroupsV2 support;
    • Systemd version 244 or newer;
    • erofs kernel module support.

    For more information, see the ClusterConfiguration resource.

  • From version 1.74, Deckhouse Platform has a module integrity control mechanism (protection against replacement and modification). It turns on automatically when the OS on the nodes supports the erofs kernel module. Without it, Deckhouse Platform runs as before but the mechanism is off — an alert will indicate it is unavailable.

Prepare the zVirt environment so that Deckhouse Platform can manage the resources of the virtualization platform. The full procedure is described on the environment preparation page of the cloud-provider-zvirt module.

Deckhouse Platform requires zVirt version 4.0–4.4.

Perform the following preliminary steps in zVirt:

  1. Prepare an operating system image.
  2. Prepare a virtual machine template.
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