1IntroductionCAUTION: See the Safety, Environmental, and Regulatory Information document for importantsafety information before following any procedures listed in this document.An enclosure containing physical disks accessed through EMMs (Enclosure Management Modules) iscalled a storage enclosure. A storage enclosure includes various hardware components, such as physicaldisks, EMMs, fans, and power supply units (PSUs).One or more host servers attached to the storage enclosure can access the data on the storageenclosure. You can also establish multiple physical paths between the hosts and the storage enclosure sothat loss of any single path (for example, through failure of a host server port) does not result in loss ofaccess to data on the storage enclosure.The storage enclosure is managed by the Dell Storage PowerTools Server Hardware Manager (SHM)software running on a host server. On the host server system, the management software and the storageenclosure communicate management requests and event information by using in-band SAS connections.TerminologyThis document familiarizes you with the functions of the SHM software. The software is comprised of twomajor components:• Storage Enclosure CLI (secli) — This component provides a command line interface (CLI) used toobtain device and status information of storage enclosure components. Also, the secli is used forfirmware update of Enclosure Management Modules (EMMs) and hard drives and solid-state drives(SSDs) within the enclosure.• Server Hardware Manager Monitor — This component runs continuously, monitoring and logging thestatus of enclosure components, including EMMs, drives, PSUs, and fan modules.The document is organized into two major sections. The first section of this document describes the CLIcommands required to perform certain common task within the storage enclosure. The second section isa reference to all CLI commands ordered by type.Other information you may needWARNING: See the safety and regulatory information that shipped with your system. Warrantyinformation may be included within this document or as a separate document.NOTE: All the documents, unless specified otherwise, are available at Dell.com/dsmsmanuals.Before you begin, ensure that you have the following documentation:6