Create a cluster node availability check When creating a cluster or adding nodes to an existing cluster, refer to the table below to check the node configuration to avoid cluster creation or expansion failure due to wrong node configuration.
Check Item Description OS Refer to Supported Architectures and Operating Systems SELinux Off Firewall Off Architecture Consistency Consistent CPU architecture between nodes (such as ARM or x86) Host Time All hosts are out of sync within 10 seconds. Network Connectivity The node and its SSH port can be accessed normally by the platform. CPU Available CPU resources are greater than 4 Cores Memory Available memory resources are greater than 8 GB
Supported architectures and operating systems Architecture Operating System Remarks ARM Kylin Linux Advanced Server release V10 (Sword) SP2 Recommended ARM UOS Linux ARM openEuler x86 CentOS 7.x Recommended x86 Redhat 7.x Recommended x86 Redhat 8.x Recommended x86 Flatcar Container Linux by Kinvolk x86 Debian Bullseye, Buster, Jessie, Stretch x86 Ubuntu 16.04, 18.04, 20.04, 22.04 x86 Fedora 35, 36 x86 Fedora CoreOS x86 openSUSE Leap 15.x/Tumbleweed x86 Oracle Linux 7, 8, 9 x86 Alma Linux 8, 9 x86 Rocky Linux 8, 9 x86 Amazon Linux 2 x86 Kylin Linux Advanced Server release V10 (Sword) - SP2 Haiguang x86 UOS Linux x86 openEuler