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A Bare Metal instance is a VM instance created by a Bare Metal chassis. After you add a Bare Metal chassis, you can use the Bare Metal chassis to create Bare Metal instances.

• A preconfigured template can be used to quickly generate a preconfigured file to install Bare Metal instance operating systems in bulk without attended interferences.
• Operating system installations can be customized. Currently, the supported versions of operating systems include custom operating systems of the Cloud and mainstream Linux distributions (RHEL/CentOS, Debian/Ubuntu, and SUSE/openSUSE). These versions must be ISO and non-live CD.
• A business network can be configured for Bare Metal instances. Currently, flat networks are supported. Specifically, both Bare Metal instances and VM instances on the same L2 network can reach each other without routing via gateways. Make sure that a Bare Metal cluster where the Bare Metal chassis resides attaches the corresponding L2 network in advance.