[[["容易理解","easyToUnderstand","thumb-up"],["確實解決了我的問題","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["難以理解","hardToUnderstand","thumb-down"],["資訊或程式碼範例有誤","incorrectInformationOrSampleCode","thumb-down"],["缺少我需要的資訊/範例","missingTheInformationSamplesINeed","thumb-down"],["翻譯問題","translationIssue","thumb-down"],["其他","otherDown","thumb-down"]],["上次更新時間:2025-09-04 (世界標準時間)。"],[],[],null,["# Run an inventory discovery\n\nInventory discovery lets you scan and list VMware virtual machine (VM)\ninstances, Amazon Elastic Compute Cloud (EC2) instances, Amazon Relational\nDatabase Service (RDS) databases, and Azure VM instances\nby using the Migration Center discovery client CLI. To discover VM\ninstances and databases in your on-premises environment, use\n[guest discovery](/migration-center/docs/run-guest-discovery) or an [IP range scan](/migration-center/docs/run-ip-range-scan).\n\nFor VMware VM instances, Amazon EC2 instances, and Azure VM\ninstances, the\n`mcdc` CLI collects data such as the operating system,\nstorage configuration, the number of cores, and performance data.\n\nFor Amazon RDS databases, the `mcdc` CLI captures\ninformation such as the database engine, name, edition, version, and shape,\nalong with the following performance data:\n\n- CPU utilization\n- Memory utilization\n- Disk read and write input/output operations per second (IOPS)\n- Network ingress and egress\n\nBefore you begin\n----------------\n\n1. Review the [requirements for downloading and running the `mcdc` CLI](/migration-center/docs/review-collector-cli-requirements).\n2. Complete the steps to [download `mcdc` CLI](/migration-center/docs/download-collector-cli).\n\nWhat's next\n-----------\n\n- Learn how to [discover VM instances on VMware](/migration-center/docs/discover-vmware-vms).\n- Learn how to [discover EC2 instances and databases in AWS](/migration-center/docs/discover-aws-vms).\n- Learn how to [discover Azure VM instances](/migration-center/docs/discover-azure-vms)."]]