Hardware • Re: Raid1 says clean but won't assemble

Code:

[49887.632810] sd 7:0:0:0: [sdc] tag#26 data cmplt err -75 uas-tag 1 inflight: CMD [49887.632819] sd 7:0:0:0: [sdc] tag#26 CDB: Read(16) 88 00 00 00 00 02 ba a0 f0 f8 00 00 00 08 00 00[49919.188430] sd 7:0:0:0: [sdc] tag#26 uas_eh_abort_handler 0 uas-tag 1 inflight: CMD [49919.188444] sd 7:0:0:0: [sdc] tag#26 CDB: Read(16) 88 00 00 00 00 02 ba a0 f0 f8 00 00 00 08 00 00[49919.216448] scsi host7: uas_eh_device_reset_handler start[49924.296228] usb 7-2: Disable of device-initiated U1 failed.[49929.415838] usb 7-2: Disable of device-initiated U2 failed.[49938.242312] xhci_hcd 0000:01:00.0: WARN: Slot ID 5, ep index 2 has streams, but URB has no stream ID.[49938.242324] xhci_hcd 0000:01:00.0: WARN can't find new dequeue state for invalid stream ID 0.[49938.242328] xhci_hcd 0000:01:00.0: WARN Cannot submit Set TR Deq Ptr[49938.242333] xhci_hcd 0000:01:00.0: WARN deq seg = 000000002d07b215, deq pt = 00000000ce5fe7ae[49968.336429] sd 7:0:0:0: [sdc] tag#16 uas_eh_abort_handler 0 uas-tag 2 inflight: CMD IN [49968.336445] sd 7:0:0:0: [sdc] tag#16 CDB: Read(16) 88 00 00 00 00 02 ba a0 ef 80 00 00 00 08 00 00[49968.356436] scsi host7: uas_eh_device_reset_handler start[49968.356772] sd 7:0:0:0: [sdc] tag#20 uas_zap_pending 0 uas-tag 1 inflight: CMD [49968.356780] sd 7:0:0:0: [sdc] tag#20 CDB: Read(16) 88 00 00 00 00 02 ba a0 f0 f8 00 00 00 08 00 00[49968.485091] usb 7-2: reset SuperSpeed Gen 1 USB device number 3 using xhci_hcd[49968.507921] scsi host7: uas_eh_device_reset_handler success[49968.598077] sd 7:0:0:0: [sdc] tag#20 data cmplt err -75 uas-tag 1 inflight: CMD [49968.598093] sd 7:0:0:0: [sdc] tag#20 CDB: Read(16) 88 00 00 00 00 00 00 00 00 18 00 00 00 08 00 00[49999.057933] sd 7:0:0:0: [sdc] tag#20 uas_eh_abort_handler 0 uas-tag 1 inflight: CMD [49999.057948] sd 7:0:0:0: [sdc] tag#20 CDB: Read(16) 88 00 00 00 00 00 00 00 00 18 00 00 00 08 00 00[49999.081934] scsi host7: uas_eh_device_reset_handler start[50004.161772] usb 7-2: Disable of device-initiated U1 failed.[50009.281340] usb 7-2: Disable of device-initiated U2 failed.[50044.250744] sd 7:0:0:0: [sdc] tag#22 uas_zap_pending 0 uas-tag 3 inflight: CMD [50044.250752] sd 7:0:0:0: [sdc] tag#22 CDB: Read(16) 88 00 00 00 00 00 00 00 01 08 00 00 00 f8 00 00[50044.250819] sd 7:0:0:0: [sdc] tag#22 FAILED Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK cmd_age=34s[50044.250825] sd 7:0:0:0: [sdc] tag#22 CDB: Read(16) 88 00 00 00 00 00 00 00 01 08 00 00 00 f8 00 00[50044.250832] blk_update_request: I/O error, dev sdc, sector 264 op 0x0:(READ) flags 0x80700 phys_seg 31 prio class 0[50044.250907] blk_update_request: I/O error, dev sdc, sector 264 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0[50044.250915] Buffer I/O error on dev sdc, logical block 33, async page read[50044.251487] blk_update_request: I/O error, dev sdc, sector 264 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0[50044.251494] Buffer I/O error on dev sdc, logical block 33, async page read

Code:

$ sudo mdadm --stop /dev/md0mdadm: stopped /dev/md0$ sudo mdadm --assemble --verbose /dev/md0 /dev/sdd1 /dev/sdc1mdadm: looking for devices for /dev/md0mdadm: /dev/sdd1 is identified as a member of /dev/md0, slot 0.mdadm: /dev/sdc1 is identified as a member of /dev/md0, slot 1.mdadm: added /dev/sdd1 to /dev/md0 as 0 (possibly out of date)mdadm: added /dev/sdc1 to /dev/md0 as 1mdadm: /dev/md0 has been started with 1 drive (out of 2).