September 22, 2025Sep 22 Hi there!I use UNRAID Ver.# 7.1.4 - and have a Home Assistant in an Docker Container running. From time to time the above mentioned shares vanished and my home asistant can not storethe date into the share "appdata". If I reboot the system - the system prompted "Disk cache is missing"After unplug the NVME of the cache disk and replug it again and rebooting - everything is fine again!Is this a hardware problem or a problem of the UNRAID configuration?Any suggestions are welcome.Many thanks an best regardsThomas
September 22, 2025Sep 22 Community Expert This is almost certainly a hardware problem. We can probably confirm this if you attach your system’s diagnostics (with everything in the one zip file) to your next post in this thread taken after this happens again. It is always a good idea when asking questions to supply your diagnostics so we can see details of your system, how you have things configured, and the current syslog.
September 22, 2025Sep 22 Author maybe you can find something in this log already ...tower-diagnostics-20250922-1401.zip
September 22, 2025Sep 22 Community Expert 990 pros are known to have dropout issues, AFAIK a firmware update for them has recently been released to help with that. Edited September 22, 2025Sep 22 by Kilrah
September 22, 2025Sep 22 Lets move to General Support, Forum Feedback is clearly not the place for those discussions.
September 24, 2025Sep 24 Author On 9/22/2025 at 2:33 PM, JorgeB said:Post new diags if the NVMe drops again, before rebooting.On 9/22/2025 at 2:33 PM, JorgeB said:Post new diags if the NVMe drops again, before rebooting.Dear Jorge,the issue happend again last night - finde the dignosic-file attatched - thanks for your supportThomastower-diagnostics-20250924-0814.zip
September 24, 2025Sep 24 Community Expert Sep 24 05:16:04 Tower kernel: nvme nvme1: controller is down; will reset: CSTS=0x3, PCI_STATUS=0x10Sep 24 05:18:04 Tower kernel: nvme nvme1: Device not ready; aborting reset, CSTS=0x3Sep 24 05:18:04 Tower kernel: nvme nvme1: Disabling device after reset failure: -19Device is dropping offline, you can 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=offe.g.:append initrd=/bzroot nvme_core.default_ps_max_latency_us=0 pcie_aspm=off pcie_port_pm=offReboot and see if it makes a difference.If it doesn't help, I would recommend trying 7.2.0-beta.3, there's a Linux kernel fix that may help with those.
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