Supermicro X9DR3-F服务器RAID-50故障磁盘更换及Intel RST工具安装问题咨询

Hey Jesper, let's break down your two key issues step by step to get your server back on track.

一、RAID-50双故障磁盘更换操作指南 #

First, let's recap your setup context: RAID-50 works by combining multiple RAID-5 sub-arrays into a RAID-0 stripe. Each individual RAID-5 sub-group can only tolerate one failed disk without data loss. Since you have a hot spare (disk 22), here's the safe process to follow:

1. Confirm failed disk positions first

   • Boot your server and enter the RAID controller configuration utility (for your X9DR3-F's Intel C602 chipset, this is typically accessed by pressing Ctrl+I during POST).
   • Check which RAID-5 sub-group each failed disk belongs to:
     • If the two failed disks are in different sub-groups: Your hot spare should automatically start rebuilding one of the failed disks. Wait for this rebuild to finish (this can take several hours depending on disk size), then handle the second failed disk.
     • If both failed disks are in the same sub-group: Your array is in a degraded state (RAID-5 can't survive two failures in one sub-group). You'll need to replace one disk first, wait for its rebuild to complete, then replace the second.

2. Safe disk replacement steps

   • Don't just pull the disk out cold: First, mark the failed disk as Failed in the RAID controller utility. This tells the controller you're intentionally removing the faulty drive.
   • Physically remove the failed disk (most Supermicro servers have hot-swap bays, so you don't need to power off the server if the bay is labeled hot-swap).
   • Insert the new disk: Make sure it's at least the same capacity as the failed disk (same model is ideal for consistent performance).
   • Return to the RAID controller utility: The controller should detect the new disk automatically. If it doesn't start rebuilding on its own, manually assign the new disk as a replacement (look for options like "Assign Global Hot Spare" or "Rebuild Array").
   • Monitor the rebuild progress: Avoid running high-IO workloads on your Windows VM during this time—consider pausing non-critical tasks or migrating the VM temporarily (if you have a cluster) to prevent slowdowns or errors.
   • Once the first rebuild completes, repeat the process for the second failed disk.

二、Intel RST Utility安装失败的原因及替代方案 #

The reason you can't install Intel RST on your Windows 2012R2 VM is straightforward: RST is built to interact directly with physical RAID controllers on bare-metal servers, but your VM only sees virtual disks presented by ESXi. The physical RAID controller is managed at the ESXi host level, not inside the guest VM.

Instead of trying to install RST in the VM, use these valid methods to manage your RAID:

• RAID Controller BIOS Utility: As mentioned earlier, press Ctrl+I during server boot to access the Intel RAID configuration tool directly on the physical server.
• ESXi Host RAID CLI Tools: Install Intel's RAID command-line interface tools on your ESXi host to manage the array via the ESXi shell or vCenter.
• Supermicro IPMI: Use the server's remote management interface (IPMI) to access the RAID controller remotely—this lets you monitor and manage the array without being physically at the server.

Take your time with the rebuild process—patience is key to avoiding data issues.

备注：内容来源于stack exchange，提问作者Jesper Ekelund