Installing TrueNAS Scale on My DIY 56TB NAS | Burn-In Testing & Lessons Learned

Welcome back to RaMcHiP's Tech Cave! In this episode, we're finally bringing the NAS online by installing TrueNAS Scale on my DIY 56TB storage server. Built from recycled enterprise hardware and used SAS drives, this project is all about getting enterprise-level storage without enterprise-level pricing. What looked like a simple install quickly turned into a deep dive into enterprise drive formatting, burn-in testing, HBA configuration, and learning some hard lessons along the way. If you're building a TrueNAS system using used enterprise hardware, hopefully this video saves you some time and frustration. Special Thanks Huge shoutout to Tim, Will, and TyrannosaurusWhest from the TrueNAS Discord server for all the help, advice, troubleshooting, and occasional kick in the nuts that kept this project moving forward when I was ready to throw the server out a window. The TrueNAS community has been incredibly helpful throughout this build, and I definitely wouldn't have gotten this far without them. Topics Covered Installing TrueNAS Scale Preparing used enterprise SAS drives Removing DIF (Data Integrity Field) formatting Converting drives to 512-byte sectors Burn-in testing and drive validation HBA configuration and IT Mode Power Disable (PWDIS) / 3.3V drive issues Storage pool planning Lessons learned from building a budget enterprise NAS Lessons Learned Molex to SATA for 3.3V Power Disable Issues Some enterprise drives don't play nicely with modern power supplies because of the 3.3V Power Disable feature. If your drives aren't spinning up or aren't being detected properly, Molex-to-SATA power adapters can often solve the issue by eliminating the 3.3V line. Prepare for Long Formatting and Testing Times Formatting enterprise drives and performing proper burn-in testing is not a quick process. Expect the process to take days, not hours, especially when working with multiple high-capacity drives. Separate VM Storage from Data Storage If you plan on running virtual machines, consider creating a dedicated pool specifically for VM storage. This can make management easier and help optimize performance depending on your workload. Verify Your HBA Is Running in IT Mode Before building your storage pool, make sure your HBA (Host Bus Adapter) is flashed into IT Mode. TrueNAS wants direct access to the drives, and IT Mode ensures the controller is acting as a simple passthrough device rather than trying to manage RAID itself. Always Shut Down Properly One lesson I learned quickly is that my HBA absolutely prefers a proper shutdown. Whenever possible, shut the system down cleanly rather than simply cutting power or flipping the PSU switch. Commands Used Remove DIF Protection and Format to 512 Bytes To disable DIF (Data Integrity Field) protection and reformat a drive to 512-byte sectors: tmux new -A -s formatsdX "sg_format -v -F --size=512 /dev/sdX" Replace X with the appropriate drive identifier (sda, sdb, sdc, etc.). Example: tmux new -A -s formatsdb "sg_format -v -F --size=512 /dev/sdb" Burn-In and Drive Validation Testing If you're using used enterprise drives, I highly recommend running a complete burn-in test before trusting your data to them: tmux new -A -s drivetestsdX "badblocks -wsv -t 0 -b 4096 /dev/sdX; read" Replace X with the appropriate drive identifier (sda, sdb, sdc, etc.). Example: tmux new -A -s drivetestsdb "badblocks -wsv -t 0 -b 4096 /dev/sdb; read" This process takes a long time, but it's much better to discover a failing drive before creating your storage pool than after you've already started storing data. Hardware Rosewill 4U Rackmount Chassis Intel Core i7-7700K ASUS ROG Maximus IX Code 32GB DDR4 Memory LSI 9400-16i HBA Enterprise SAS Hard Drives TrueNAS Scale What's Next? Now that the NAS is online, the next step is creating storage pools, configuring shares, setting up services, and integrating everything into the Tech Cave production workflow for video editing, backups, and future homelab projects. If you enjoyed the video, hit the Like button, subscribe, and let me know what you'd like to see next. Stay curious, stay chaotic, and I'll see you back in the cave. #TrueNAS #TrueNASScale #NAS #HomeLab #SelfHosting #ServerBuild #DataStorage #EnterpriseHardware #LSI9400 #TechCave #DIYNAS #StorageServer