February 19, 20251 yr Hi all I finally remembered to grab my diags before a reboot. I find at times my cache nvme drops into an offline state. It doesn't come back until i fully power down and reboot, a restart does not fix it. I find it mainly happens when data is hitting the drive in bulk. This time i was copying about 9GB of image files from my windows machine to the unraid so they were hitting the cache. The downside now is i was in the middle of a data rebuild so i cant power off without starting that again. Any help as to why it drops would be great. This has happened with the previous motherboard i had, also with my current mobo but my previous nvme hercules-diagnostics-20250219-2001.zip
February 20, 20251 yr Community Expert Try this, on the main GUI page click on the flash drive, scroll down to "Syslinux Configuration", make sure it's set to "menu view" (top right) and add this to your default boot option, after "append initrd=/bzroot" nvme_core.default_ps_max_latency_us=0 pcie_aspm=off pcie_port_pm=off e.g.: append initrd=/bzroot nvme_core.default_ps_max_latency_us=0 pcie_aspm=off pcie_port_pm=off Reboot and see if it makes a difference.
February 20, 20251 yr Author i i made this change, let the rebuild complete but after a reboot it now no longer boots. Im just getting a flashing cursor in the top left of the screen. I edited the syslinux config file on the usb by plugging into windows and copying the default that i have on my other unraid boxes but still nothing. Im still on with troubleshooting
February 20, 20251 yr Author Turns out the disk dropping offline this time made my BIOS redo my boot order so it was trying to boot my appdata disk. Ive just made the amendment again and giving it a restart. Once up ill try transferring the files i was doing previously to see if the drop off occurs still
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