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I want to do the following: Replace my parity drive Remove Disk 4 Move Disk 2 to Disk 3 (physically from sde to sdf, and in the array) Move Disk 3 to Disk 4 (physically from sdf to to sdg and in the array) Add the old parity drive as a data drive as Disk 2 (physically sde) The changes would be as follows: [Device : Current config : New config] Parity : 4TB Drive A : 4TB New Drive Disk 1 : 4TB Drive B : 4TB Drive B Disk 2 : 2TB Drive C : 4TB Drive A Disk 3 : 2TB Drive D : 2TB Drive C Disk 4 : 1 TB Drive E : 2TB Drive D Only Drive B and Drive C have data, and I would want to move everything from Drive C to Drive A after the shuffle. What are the proper steps to do all of the above?

I noticed some strange behaviour. My G.Skill DDR3 RAM ships with an XMP profile of 1600 MT/s CL9-9-9-24 at 1.5v. Its SPD rating is 1333 MT/s at 1.5v. Even though I ran the previous memtests with XMP disabled in the BIOS, it still detected and ran the RAM at 1600 and didn't step down to 1333, and used weird timings of 9-9-9-28, so I guess it was still technically overclocked? I removed some resistors from my Noctua fans to make them run at full speed, I swapped one stick of RAM from Channel A with one from Channel B in case my memory kits were mismatched (they came as 2x2GB and I have 8 GB total), I re-seated each stick and I manually set the memory at 1333 and latency of 9-9-9-24. I ran another memtest for 33 hours and not a single error. Does that mean that the memory is fine and it just doesn't like to run at 1600 in my system? If the memory is now fine and I continue to see issues with parity check errors, where do I look next? Also, when I manually set it at 1333 in BIOS and leave timings on auto, the BIOS actually wants to use something like 8-8-8-24. Should I let it do that or leave them at 9-9-9-24? Thanks!

Ugh. I'll start the fun exercise of trying various combinations of sticks and slots. 🙂

Found two memory errors after running memtest for 20+ hours. Is there an easy way to figure out which of the 4 sticks is bad? Could this actually be a motherboard error or some other component? I was planning a server rebuild at some point in the near future, so not sure if it's worth replacing memory in this one or just scrap the whole thing and build new? Thanks for your tips so far!

The newer version of Memtest is going to be a no-go, as it doesn't support legacy BIOS, and my motherboard doesn't support UEFI. The newer versions of Memtest won't boot in legacy BIOS. Any other suggestions would be appreciated.

I downgraded Unraid to 6.9.2 and all stability issues seem to have been resolved. I still get a high number of errors during a parity check. What could be causing stability errors under 6.10.3, and what could be the cause of the parity errors if my memory checks out fine? Diagnostic reports from 6.9.2 attached. tower-diagnostics-20220811-1400.zip

I'll add that I can't quite remember if these issues began with an upgrade to 6.10.x or with a USB key failure, but both happened around the same time. I replaced the USB key using a backup which was saved to my array nightly. Is it possible that the drive was failing over some time, and that some if its data was corrupted when backed up, and now that corrupted data on the new USB is causing wonky behaviour?

Thanks for your reply. I ran memtest on this build for many hours in the past, never finding an issue. Did a quick memtest now and again nothing so far; it's still running. BIOS is in fail-safe default with no overclocking.

Hello, I've been seeing some instability with my server since upgrading to 6.10. Sometimes the web UI becomes unresponsive, sometimes the server crashes and I have to reboot it, and quite frequently the parity check doesn't finish and I'm unable to cancel it requiring a reboot. I'm hoping someone can look at the diagnostics and let me know if this is 6.10 related or some sort of coincidental hardware issue. These diagnostics were downloaded after parity check slowed to a crawl and wouldn't let me cancel. When I tried to reboot the server using the webUI it didn't work and I had to do a hard reset. I didn't have any issues like this on the latest 6.9 version. Thanks! tower-diagnostics-20220805-1730.zip