This guide explains how to install older Red Hat/CentOS versions on Dell PowerEdge 14G servers equipped with Perc10 (H740/H740P) RAID cards, using the iDRAC remote‑management virtual media feature and virtual floppy to load the required RAID driver manually.
This article explains how misconfigured links in Dell blade server networks can create black‑hole failures, illustrates two fault scenarios, and provides step‑by‑step switch configuration techniques—including link‑dependency groups and uplink‑state groups—to ensure automatic NIC failover and maintain high availability.
Learn how to remotely manage Dell servers using low‑level CLI tools—including IPMI, RACADM, WSMAN, and Redfish—by installing the necessary utilities, executing power and hardware‑log commands, and leveraging scripts for batch operations across mixed‑vendor data‑center environments.
This guide explains why precise power usage assessment is crucial for data‑center safety and efficiency, introduces Dell’s free online Enterprise Infrastructure Planning Tool, provides the web and download links, and walks through step‑by‑step configuration of voltage, devices, PSU selection, summary view, and exporting results to PDF or Excel.
This article chronicles three common problems when installing the Emerson PH‑79RDR power module in a Dell R720—missing boot options in older BIOS, power‑management firmware initialization failures in BIOS 2.4.3, and unsupported high‑voltage DC usage—and explains how BIOS upgrades, downgrades, and firmware updates resolve them.
