I fully populated all 8 slots with SSDds, and only 3 of them showed up in the system. I tried different drives, eventully trying just a single SSD in each slow while watching dmesg -w. Here is what happens when I plug into either slot 1-17 or slot 1-19. All the other slots work properly, including the 15 3.5” bays.
Error when plugging into port 1-19 -
[ 624.435350] scsi_io_completion_action: 27 callbacks suppressed
[ 624.435355] sd 0:0:17:0: [sdb] tag#5031 FAILED Result: hostbyte=DID_SOFT_ERROR driverbyte=DRIVER_OK cmd_age=0s
[ 624.435784] sd 0:0:17:0: [sdb] tag#5031 CDB: Read(10) 28 00 17 49 f0 a8 00 00 08 00
[ 624.435786] blk_print_req_error: 27 callbacks suppressed
[ 624.435787] I/O error, dev sdb, sector 390721704 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 0
[ 625.311575] mpt3sas_cm0: log_info(0x31111000): originator(PL), code(0x11), sub_code(0x1000)
[ 628.936511] mpt3sas_cm0: log_info(0x31111000): originator(PL), code(0x11), sub_code(0x1000)
[ 629.687015] mpt3sas_cm0: log_info(0x31111000): originator(PL), code(0x11), sub_code(0x1000)
[ 633.436755] mpt3sas_cm0: log_info(0x31111000): originator(PL), code(0x11), sub_code(0x1000)
[ 634.187201] mpt3sas_cm0: log_info(0x31111000): originator(PL), code(0x11), sub_code(0x1000)
[ 634.936828] mpt3sas_cm0: log_info(0x31110635): originator(PL), code(0x11), sub_code(0x0635)
[ 634.936850] sd 0:0:17:0: [sdb] tag#5033 FAILED Result: hostbyte=DID_SOFT_ERROR driverbyte=DRIVER_OK cmd_age=10s
[ 634.937326] sd 0:0:17:0: [sdb] tag#5033 CDB: Read(10) 28 00 17 49 f0 a8 00 00 08 00
[ 634.937330] I/O error, dev sdb, sector 390721704 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 634.938129] buffer_io_error: 2 callbacks suppressed
[ 634.938453] Buffer I/O error on dev sdb, logical block 48840213, async page read
[ 638.658565] sd 0:0:17:0: Power-on or device reset occurred
[ 646.801410] mpt3sas_cm0: log_info(0x31110d00): originator(PL), code(0x11), sub_code(0x0d00)
[ 646.801414] mpt3sas_cm0: log_info(0x31110d00): originator(PL), code(0x11), sub_code(0x0d00)
[ 646.801424] mpt3sas_cm0: log_info(0x31110d00): originator(PL), code(0x11), sub_code(0x0d00)
[ 646.801429] mpt3sas_cm0: log_info(0x31110d00): originator(PL), code(0x11), sub_code(0x0d00)
[ 646.801431] mpt3sas_cm0: log_info(0x31110d00): originator(PL), code(0x11), sub_code(0x0d00)
[ 646.801445] sd 0:0:17:0: [sdb] tag#3599 FAILED Result: hostbyte=DID_SOFT_ERROR driverbyte=DRIVER_OK cmd_age=8s
[ 646.801445] sd 0:0:17:0: [sdb] tag#3600 FAILED Result: hostbyte=DID_SOFT_ERROR driverbyte=DRIVER_OK cmd_age=8s
[ 646.801450] sd 0:0:17:0: [sdb] tag#3600 CDB: Read(10) 28 00 00 00 20 40 00 00 08 00
[ 646.801450] sd 0:0:17:0: [sdb] tag#3599 CDB: Read(10) 28 00 00 03 40 00 00 00 08 00
[ 646.801453] I/O error, dev sdb, sector 8256 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 0
[ 646.801453] I/O error, dev sdb, sector 212992 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 0
[ 646.801919] mpt3sas_cm0: log_info(0x31110d00): originator(PL), code(0x11), sub_code(0x0d00)
[ 646.802459] sd 0:0:17:0: [sdb] tag#3601 FAILED Result: hostbyte=DID_SOFT_ERROR driverbyte=DRIVER_OK cmd_age=8s
[ 646.802906] sd 0:0:17:0: [sdb] tag#3598 FAILED Result: hostbyte=DID_SOFT_ERROR driverbyte=DRIVER_OK cmd_age=8s
[ 646.803349] sd 0:0:17:0: [sdb] tag#3601 CDB: Read(10) 28 00 01 03 50 00 00 00 08 00
[ 646.803798] sd 0:0:17:0: [sdb] tag#3598 CDB: Read(10) 28 00 00 83 34 00 00 00 08 00
[ 646.804248] I/O error, dev sdb, sector 16994304 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 0
[ 646.804705] I/O error, dev sdb, sector 8598528 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 0
[ 646.805997] sd 0:0:17:0: [sdb] tag#3597 FAILED Result: hostbyte=DID_SOFT_ERROR driverbyte=DRIVER_OK cmd_age=8s
[ 646.806001] sd 0:0:17:0: [sdb] tag#3597 CDB: Read(10) 28 00 10 00 18 00 00 00 08 00
[ 646.806003] I/O error, dev sdb, sector 268441600 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 0
[ 647.408116] sd 0:0:17:0: device_block, handle(0x0019)
[ 649.907558] sd 0:0:17:0: device_unblock and setting to running, handle(0x0019)
[ 649.908120] sd 0:0:17:0: [sdb] tag#3624 FAILED Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK cmd_age=3s
[ 649.908125] sd 0:0:17:0: [sdb] tag#3625 FAILED Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK cmd_age=3s
[ 649.908127] sd 0:0:17:0: [sdb] tag#3626 FAILED Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK cmd_age=3s
[ 649.908133] sd 0:0:17:0: [sdb] tag#3625 CDB: Read(10) 28 00 01 03 50 00 00 00 08 00
[ 649.908133] sd 0:0:17:0: [sdb] tag#3624 CDB: Read(10) 28 00 00 03 40 00 00 00 08 00
[ 649.908133] sd 0:0:17:0: [sdb] tag#3626 CDB: Read(10) 28 00 00 00 20 40 00 00 08 00
[ 649.908136] I/O error, dev sdb, sector 8256 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 649.908137] I/O error, dev sdb, sector 16994304 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 649.908136] I/O error, dev sdb, sector 212992 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 649.908144] Buffer I/O error on dev sdb5, logical block 512, async page read
[ 649.908770] sd 0:0:17:0: [sdb] tag#3615 FAILED Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK cmd_age=3s
[ 649.908772] sd 0:0:17:0: [sdb] tag#3615 CDB: Read(10) 28 00 10 00 18 07 00 00 01 00
[ 649.908773] I/O error, dev sdb, sector 268441607 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 649.908776] Buffer I/O error on dev sdb8, logical block 4103, async page read
[ 649.908781] sd 0:0:17:0: [sdb] tag#3616 FAILED Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK cmd_age=3s
[ 649.908782] sd 0:0:17:0: [sdb] tag#3616 CDB: Read(10) 28 00 10 00 18 06 00 00 01 00
[ 649.908783] I/O error, dev sdb, sector 268441606 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 649.908784] Buffer I/O error on dev sdb8, logical block 4102, async page read
[ 649.908786] Buffer I/O error on dev sdb8, logical block 4101, async page read
[ 649.908788] Buffer I/O error on dev sdb8, logical block 4100, async page read
[ 649.908789] Buffer I/O error on dev sdb8, logical block 4099, async page read
[ 649.908790] Buffer I/O error on dev sdb8, logical block 4098, async page read
[ 649.908792] Buffer I/O error on dev sdb8, logical block 4097, async page read
[ 649.908793] Buffer I/O error on dev sdb8, logical block 4096, async page read
[ 649.908797] Buffer I/O error on dev sdb6, logical block 128, async page read
[ 650.016810] sd 0:0:17:0: [sdb] Synchronizing SCSI cache
[ 650.017847] sd 0:0:17:0: [sdb] Synchronize Cache(10) failed: Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK
[ 650.018125] mpt3sas_cm0: mpt3sas_transport_port_remove: removed: sas_addr(0x300062b21922afce)
[ 650.018128] mpt3sas_cm0: removing handle(0x0019), sas_addr(0x300062b21922afce)
[ 650.018129] mpt3sas_cm0: enclosure logical id(0x500062b21922afc0), slot(20)
[ 650.018131] mpt3sas_cm0: enclosure level(0x0000), connector name( )
[ 654.657799] mpt3sas_cm0: handle(0x1a) sas_address(0x300062b21922afc8) port_type(0x1)
[ 654.784997] scsi 0:0:18:0: Direct-Access ATA INTEL SSDSC2BX20 DL2D PQ: 0 ANSI: 6
[ 654.785528] scsi 0:0:18:0: SATA: handle(0x001a), sas_addr(0x300062b21922afc8), phy(8), device_name(0x0000000000000000)
[ 654.785530] scsi 0:0:18:0: enclosure logical id (0x500062b21922afc0), slot(19)
[ 654.785532] scsi 0:0:18:0: enclosure level(0x0000), connector name( )
[ 654.786334] scsi 0:0:18:0: atapi(n), ncq(y), asyn_notify(n), smart(y), fua(y), sw_preserve(y)
[ 654.786339] scsi 0:0:18:0: qdepth(32), tagged(1), scsi_level(7), cmd_que(1)
[ 654.796169] sd 0:0:18:0: Attached scsi generic sg2 type 0
[ 654.796237] sd 0:0:18:0: Power-on or device reset occurred
[ 654.796911] end_device-0:18: add: handle(0x001a), sas_addr(0x300062b21922afc8)
[ 654.797957] sd 0:0:18:0: [sdb] 390721968 512-byte logical blocks: (200 GB/186 GiB)
[ 654.798255] sd 0:0:18:0: [sdb] 4096-byte physical blocks
[ 654.799729] sd 0:0:18:0: [sdb] Write Protect is off
[ 654.800024] sd 0:0:18:0: [sdb] Mode Sense: 9b 00 10 08
[ 654.800856] sd 0:0:18:0: [sdb] Write cache: enabled, read cache: enabled, supports DPO and FUA
[ 654.857780] sdb: sdb1 sdb5 sdb6 sdb7 sdb8
[ 654.858077] sd 0:0:18:0: [sdb] Attached SCSI disk
Error when plugging into port 1-17 -
[ 805.974210] mpt3sas_cm0: enclosure logical id(0x500062b21922afc0), slot(23)
[ 805.974211] mpt3sas_cm0: enclosure level(0x0000), connector name( )
[ 809.908613] mpt3sas_cm0: handle(0x1a) sas_address(0x300062b21922afcd) port_type(0x1)
[ 810.312620] mpt3sas_cm0: log_info(0x31111000): originator(PL), code(0x11), sub_code(0x1000)
[ 810.937814] mpt3sas_cm0: log_info(0x31111000): originator(PL), code(0x11), sub_code(0x1000)
[ 811.688068] mpt3sas_cm0: log_info(0x31111000): originator(PL), code(0x11), sub_code(0x1000)
[ 812.438487] mpt3sas_cm0: log_info(0x31111000): originator(PL), code(0x11), sub_code(0x1000)
[ 812.439077] end_device-0:20: add: handle(0x001a), sas_addr(0x300062b21922afcd)
[ 812.439406] mpt3sas_cm0: mpt3sas_transport_port_remove: removed: sas_addr(0x300062b21922afcd)
[ 812.439410] mpt3sas_cm0: removing handle(0x001a), sas_addr(0x300062b21922afcd)
[ 812.439413] mpt3sas_cm0: enclosure logical id(0x500062b21922afc0), slot(22)
[ 812.439415] mpt3sas_cm0: enclosure level(0x0000), connector name( )