Lenovo ThinkSystem DE6400 Manual

Also see for 7DB6: Manual

 If you cannot resolve the problem, contact technical support.4. Click Hardware › Support › Upgrade Center to ensure that the latest version of ThinkSystemSAN OS is installed.As needed, install the latest version.5. Verify that all volumes have been returned to the preferred owner.a. Select Storage › Volumes. From the All Volumes page, verify that volumes are distributedto their preferred owners. Select More › Change ownership to view volume owners.b. If volumes are all owned by preferred owner continue to Step 6.c. If none of the volumes are returned, you must manually return the volumes. Go to More ›Redistribute volumes.d. If there is no Recovery Guru present or if following the Recovery Guru steps the volumesare still not returned to their preferred owners contact support.6. Collect support data for your storage array using ThinkSystem System Manager.a. Select Support › Support Center › Diagnostics.b. Select Collect Support Data.c. Click Collect.The file is saved in the Downloads folder for your browser with the name, support-data.7z.What’s next?Your DIMM replacement is complete. You can resume normal operations.40