PowerEdge RAID Controller H975i Front

This article explains the requirements to deploy VMware ESXi 9 virtual machines with 4Kn end‑to‑end (E2E) storage when using Dell PowerEdge PERC12 (H965) and newer controllers. It also covers how to identify when ESXi is using 4Kn software emulation (SWE) instead of true 4Kn E2E, and what conditions prevent E2E.

Linux host reports reduced storage performance when using PERC or HBA controllers with attached SSD or NVMe devices.

This article provides information about how to manage the Dell PowerEdge RAID Controller (PERC) using the PERCCLI utility.

When encryption is enabled on BOSS-N1, the system may stop during POST with the message: "No Boot Device Available or Operating System Detected."

This article provides information about the battery learn cycle. It consists of a controller performed battery calibration operation to periodically determine the condition of the battery. This operation cannot be disabled.

VMware ESXi 9.0 VMkernel logs show warnings "Mode Sense cmd reported block size 0, does not match the current logical block size 4096" and "The device naa.<GUID> is marked format corrupt" when a Virtual Disk (VD) is created on PowerEdge RAID Controller (PERC) 12/13 with 512-byte emulation (512e) or 4-Kilobyte native (4Kn) drives; messages appear each boot but have no functional impact.

Dell Technical solutions information about various topics, hosted on the Dell TechCenter IT community platform

This article provides instructions for the management and configuration of RAID arrays on a LSI MegaRAID 9361-8i, 9440, 9460, and 9341 RAID Controllers