[5843478.394738] usb 1-6: new high-speed USB device number 96 using xhci_hcd
[5843478.525256] usb 1-6: New USB device found, idVendor=1e91, idProduct=a4a7, bcdDevice= 7.93
[5843478.525259] usb 1-6: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[5843478.525261] usb 1-6: Product: Mercury Elite Pro Quad 
[5843478.525262] usb 1-6: Manufacturer: OWC                    
[5843478.525263] usb 1-6: SerialNumber: 000000001
[5843478.526965] hub 1-6:1.0: USB hub found
[5843478.527153] hub 1-6:1.0: 4 ports detected
[5843479.021772] usb 2-2: new SuperSpeed Plus Gen 2x1 USB device number 106 using xhci_hcd
[5843479.064118] usb 2-2: New USB device found, idVendor=1e91, idProduct=a4a7, bcdDevice= 7.93
[5843479.064122] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[5843479.064123] usb 2-2: Product: Mercury Elite Pro Quad 
[5843479.064124] usb 2-2: Manufacturer: OWC                    
[5843479.064125] usb 2-2: SerialNumber: 000000001
[5843479.066299] hub 2-2:1.0: USB hub found
[5843479.066811] hub 2-2:1.0: 4 ports detected
[5843479.948760] usb 2-2.1: new SuperSpeed Plus Gen 2x1 USB device number 107 using xhci_hcd
[5843479.961244] usb 2-2.1: New USB device found, idVendor=1e91, idProduct=a4a7, bcdDevice= 1.00
[5843479.961247] usb 2-2.1: New USB device strings: Mfr=2, Product=3, SerialNumber=1
[5843479.961249] usb 2-2.1: Product: Mercury Elite Pro Quad A
[5843479.961250] usb 2-2.1: Manufacturer: OWC
[5843479.961251] usb 2-2.1: SerialNumber: 154900000A01
[5843479.963594] usb-storage 2-2.1:1.0: USB Mass Storage device detected
[5843479.963851] scsi host7: usb-storage 2-2.1:1.0
[5843480.031723] usb 2-2.2: new SuperSpeed Plus Gen 2x1 USB device number 108 using xhci_hcd
[5843480.045357] usb 2-2.2: New USB device found, idVendor=1e91, idProduct=a4a7, bcdDevice= 1.00
[5843480.045360] usb 2-2.2: New USB device strings: Mfr=2, Product=3, SerialNumber=1
[5843480.045361] usb 2-2.2: Product: Mercury Elite Pro Quad B
[5843480.045362] usb 2-2.2: Manufacturer: OWC
[5843480.045363] usb 2-2.2: SerialNumber: 154900000A02
[5843480.047855] usb-storage 2-2.2:1.0: USB Mass Storage device detected
[5843480.047968] scsi host8: usb-storage 2-2.2:1.0
[5843480.114721] usb 2-2.3: new SuperSpeed Plus Gen 2x1 USB device number 109 using xhci_hcd
[5843480.127255] usb 2-2.3: New USB device found, idVendor=1e91, idProduct=a4a7, bcdDevice= 1.00
[5843480.127258] usb 2-2.3: New USB device strings: Mfr=2, Product=3, SerialNumber=1
[5843480.127259] usb 2-2.3: Product: Mercury Elite Pro Quad C
[5843480.127260] usb 2-2.3: Manufacturer: OWC
[5843480.127261] usb 2-2.3: SerialNumber: 154900000A03
[5843480.129523] usb-storage 2-2.3:1.0: USB Mass Storage device detected
[5843480.129628] scsi host9: usb-storage 2-2.3:1.0
[5843480.194789] usb 2-2.4: new SuperSpeed Plus Gen 2x1 USB device number 110 using xhci_hcd
[5843480.207348] usb 2-2.4: New USB device found, idVendor=1e91, idProduct=a4a7, bcdDevice= 1.00
[5843480.207351] usb 2-2.4: New USB device strings: Mfr=2, Product=3, SerialNumber=1
[5843480.207352] usb 2-2.4: Product: Mercury Elite Pro Quad D
[5843480.207353] usb 2-2.4: Manufacturer: OWC
[5843480.207354] usb 2-2.4: SerialNumber: 154900000A04
[5843480.215873] scsi host10: uas
[5843480.216208] scsi 10:0:0:0: Direct-Access     Mercury  Elite Pro Quad D 0    PQ: 0 ANSI: 6
[5843480.217655] sd 10:0:0:0: Attached scsi generic sg9 type 0
[5843480.218061] sd 10:0:0:0: [sdi] Spinning up disk...
[5843480.971018] scsi 7:0:0:0: Direct-Access     Mercury  Elite Pro Quad A 0    PQ: 0 ANSI: 6
[5843480.971205] sd 7:0:0:0: Attached scsi generic sg10 type 0
[5843480.972251] sd 7:0:0:0: [sdj] Spinning up disk...
[5843481.099017] scsi 8:0:0:0: Direct-Access     Mercury  Elite Pro Quad B 0    PQ: 0 ANSI: 6
[5843481.099187] sd 8:0:0:0: Attached scsi generic sg11 type 0
[5843481.100298] sd 8:0:0:0: [sdk] Spinning up disk...
[5843481.162976] scsi 9:0:0:0: Direct-Access     Mercury  Elite Pro Quad C 0    PQ: 0 ANSI: 6
[5843481.163146] sd 9:0:0:0: Attached scsi generic sg12 type 0
[5843481.164184] sd 9:0:0:0: [sdl] Spinning up disk...
[5843481.226682] .
[5843481.994634] [...and many more lines with "." ...]
[5843497.354202] .ready
[5843497.357432] sd 7:0:0:0: [sdj] Very big device. Trying to use READ CAPACITY(16).
[5843497.357551] sd 7:0:0:0: [sdj] 39063650304 512-byte logical blocks: (20.0 TB/18.2 TiB)
[5843497.357553] sd 7:0:0:0: [sdj] 4096-byte physical blocks
[5843497.357829] sd 7:0:0:0: [sdj] Write Protect is off
[5843497.357831] sd 7:0:0:0: [sdj] Mode Sense: 43 00 00 00
[5843497.358111] sd 7:0:0:0: [sdj] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[5843497.391445]  sdj: sdj1
[5843497.391569] sd 7:0:0:0: [sdj] Attached SCSI disk
[5843497.482200] .ready
[5843497.485424] sd 8:0:0:0: [sdk] Very big device. Trying to use READ CAPACITY(16).
[5843497.485543] sd 8:0:0:0: [sdk] 39063650304 512-byte logical blocks: (20.0 TB/18.2 TiB)
[5843497.485545] sd 8:0:0:0: [sdk] 4096-byte physical blocks
[5843497.485821] sd 8:0:0:0: [sdk] Write Protect is off
[5843497.485823] sd 8:0:0:0: [sdk] Mode Sense: 43 00 00 00
[5843497.486100] sd 8:0:0:0: [sdk] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[5843497.530348]  sdk: sdk1
[5843497.530471] sd 8:0:0:0: [sdk] Attached SCSI disk
[5843497.547197] .ready
[5843497.550151] sd 9:0:0:0: [sdl] Very big device. Trying to use READ CAPACITY(16).
[5843497.550275] sd 9:0:0:0: [sdl] 39063650304 512-byte logical blocks: (20.0 TB/18.2 TiB)
[5843497.550279] sd 9:0:0:0: [sdl] 4096-byte physical blocks
[5843497.550549] sd 9:0:0:0: [sdl] Write Protect is off
[5843497.550551] sd 9:0:0:0: [sdl] Mode Sense: 43 00 00 00
[5843497.550830] sd 9:0:0:0: [sdl] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[5843497.592721]  sdl: sdl1
[5843497.592821] sd 9:0:0:0: [sdl] Attached SCSI disk
[5843497.610229] .
[5843497.874729] md/raid10:md0: active with 3 out of 4 devices
[5843497.892266] md0: detected capacity change from 0 to 78126356480
[5843498.634166] ..ready
[5843499.688671] sd 10:0:0:0: [sdi] 39063650304 512-byte logical blocks: (20.0 TB/18.2 TiB)
[5843499.688676] sd 10:0:0:0: [sdi] 4096-byte physical blocks
[5843499.688786] sd 10:0:0:0: [sdi] Write Protect is off
[5843499.688789] sd 10:0:0:0: [sdi] Mode Sense: 43 00 00 00
[5843499.688947] sd 10:0:0:0: [sdi] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[5843499.689109] sd 10:0:0:0: [sdi] Preferred minimum I/O size 512 bytes not a multiple of physical block size (4096 bytes)
[5843499.689111] sd 10:0:0:0: [sdi] Optimal transfer size 33553920 bytes not a multiple of physical block size (4096 bytes)
[5843499.738085]  sdi: sdi1
[5843499.738420] sd 10:0:0:0: [sdi] Attached SCSI disk