My system rebooted suddenly while plugging in a usb device. The power cord wasn't seated and jiggled. The parity check started on reboot and at about 86% crawled to 5 mb/s. No errors, just slow.
Unraid 6.12.10
This is all I see in the log:
Apr 28 04:43:40 Vault kernel: veth9a55158: renamed from eth0
Apr 28 04:43:40 Vault kernel: docker0: port 1(veth6a0d868) entered disabled state
Apr 28 04:43:40 Vault kernel: docker0: port 1(veth6a0d868) entered disabled state
Apr 28 04:43:40 Vault kernel: device veth6a0d868 left promiscuous mode
Apr 28 04:43:40 Vault kernel: docker0: port 1(veth6a0d868) entered disabled state
Apr 28 05:10:54 Vault kernel: pcieport 0000:00:1b.0: AER: Corrected error message received from 0000:02:00.0
Apr 28 05:10:54 Vault kernel: pcieport 0000:02:00.0: PCIe Bus Error: severity=Corrected, type=Data Link Layer, (Receiver ID)
Apr 28 05:10:54 Vault kernel: pcieport 0000:02:00.0: device [8086:1578] error status/mask=00000080/00002000
Apr 28 05:10:54 Vault kernel: pcieport 0000:02:00.0: [ 7] BadDLLP
Apr 28 05:19:47 Vault kernel: mdcmd (41): nocheck pause
Apr 28 05:19:47 Vault kernel: md: recovery thread: exit status: -4
vault-diagnostics-20240428-0822.zip