# Sniffs and notes ## Selecting Smart Array P410 in Slot 1 Opened ACU, selected `Smart Array P410 in Slot 1` from dropdown, which generated the following requests: ```text sys 2812 2396 2023/07/12-02:37:41.144 TRACE_LEVEL_VERBOSE [ReaperEvtWdfIoQueueIoDeviceControl] --> Entry Entry Entry > IOCTL_SCSI_PASS_THROUGH_DIRECT sys 2812 2396 2023/07/12-02:37:41.144 TRACE_LEVEL_VERBOSE [DumpAsHex][I] SCSI_PASS_THROUGH_DIRECT - Buffer length: 0056, buffer content: 380000000000060001000000FF000000FFFF000000000000907C8902000000003C00000012018300FF000000000000000000000000000000 sys 2812 2396 2023/07/12-02:37:41.144 TRACE_LEVEL_VERBOSE [ReaperEvtWdfIoQueueIoDeviceControl] <-- sys 1172 1288 2023/07/12-02:37:41.145 TRACE_LEVEL_INFORMATION [ReaperEvtIoDeviceControlCompletionRoutine][SCSI\Disk&Ven_HP&Prod_LOGICAL_VOLUME-000400] Completed request with IoControlCode: 0x4D014 sys 1172 1288 2023/07/12-02:37:41.145 TRACE_LEVEL_INFORMATION [ReaperEvtIoDeviceControlCompletionRoutine]<< IOCTL_SCSI_PASS_THROUGH_DIRECT sys 1172 1288 2023/07/12-02:37:41.145 TRACE_LEVEL_VERBOSE [DumpAsHex][O] SCSI_PASS_THROUGH_DIRECT - Buffer length: 0056, buffer content: 38000000040006000100000020000000FFFF000000000000907C8902000000003C00000012018300FF000000000000000000000000000000 sys 2812 2396 2023/07/12-02:37:41.147 TRACE_LEVEL_VERBOSE [ReaperEvtWdfIoQueueIoDeviceControl] --> Entry Entry Entry > IOCTL_SCSI_PASS_THROUGH_DIRECT sys 2812 2396 2023/07/12-02:37:41.147 TRACE_LEVEL_VERBOSE [DumpAsHex][I] SCSI_PASS_THROUGH_DIRECT - Buffer length: 0056, buffer content: 380000000000060001000000FF000000FFFF000000000000907C8902000000003C00000012018300FF000000000000000000000000000000 sys 2812 2396 2023/07/12-02:37:41.147 TRACE_LEVEL_VERBOSE [ReaperEvtWdfIoQueueIoDeviceControl] <-- sys 3068 1904 2023/07/12-02:37:41.147 TRACE_LEVEL_INFORMATION [ReaperEvtIoDeviceControlCompletionRoutine][SCSI\Disk&Ven_HP&Prod_LOGICAL_VOLUME-000400] Completed request with IoControlCode: 0x4D014 sys 3068 1904 2023/07/12-02:37:41.147 TRACE_LEVEL_INFORMATION [ReaperEvtIoDeviceControlCompletionRoutine]<< IOCTL_SCSI_PASS_THROUGH_DIRECT sys 3068 1904 2023/07/12-02:37:41.147 TRACE_LEVEL_VERBOSE [DumpAsHex][O] SCSI_PASS_THROUGH_DIRECT - Buffer length: 0056, buffer content: 38000000040006000100000020000000FFFF000000000000907C8902000000003C00000012018300FF000000000000000000000000000000 sys 2812 2396 2023/07/12-02:37:41.148 TRACE_LEVEL_VERBOSE [ReaperEvtWdfIoQueueIoDeviceControl] --> Entry Entry Entry > IOCTL_SCSI_PASS_THROUGH_DIRECT sys 2812 2396 2023/07/12-02:37:41.148 TRACE_LEVEL_VERBOSE [DumpAsHex][I] SCSI_PASS_THROUGH_DIRECT - Buffer length: 0056, buffer content: 380000000000060001000000FF000000FFFF000000000000907C8902000000003C00000012018300FF000000000000000000000000000000 sys 2812 2396 2023/07/12-02:37:41.148 TRACE_LEVEL_VERBOSE [ReaperEvtWdfIoQueueIoDeviceControl] <-- sys 3068 1904 2023/07/12-02:37:41.148 TRACE_LEVEL_INFORMATION [ReaperEvtIoDeviceControlCompletionRoutine][SCSI\Disk&Ven_HP&Prod_LOGICAL_VOLUME-000500] Completed request with IoControlCode: 0x4D014 sys 3068 1904 2023/07/12-02:37:41.148 TRACE_LEVEL_INFORMATION [ReaperEvtIoDeviceControlCompletionRoutine]<< IOCTL_SCSI_PASS_THROUGH_DIRECT sys 3068 1904 2023/07/12-02:37:41.148 TRACE_LEVEL_VERBOSE [DumpAsHex][O] SCSI_PASS_THROUGH_DIRECT - Buffer length: 0056, buffer content: 38000000050006000100000020000000FFFF000000000000907C8902000000003C00000012018300FF000000000000000000000000000000 ``` ## Changing controller settings ### Changing Rebuild Priority In `Controller Settings - Smart Array P410 in Slot 1` I set `Rebuild Priority` to from `Medium` (the default) to `High` and hit `Save`, which generated the following requests: ```text sys 2164 296 2023/07/12-02:34:22.664 TRACE_LEVEL_VERBOSE [ReaperEvtWdfIoQueueIoDeviceControl] --> Entry Entry Entry > IOCTL_SCSI_PASS_THROUGH_DIRECT sys 2164 296 2023/07/12-02:34:22.664 TRACE_LEVEL_VERBOSE [DumpAsHex][I] SCSI_PASS_THROUGH_DIRECT - Buffer length: 0056, buffer content: 380000000000060001000000FF000000FFFF000000000000607DCA02000000003C00000012018300FF000000000000000000000000000000 sys 2164 296 2023/07/12-02:34:22.664 TRACE_LEVEL_VERBOSE [ReaperEvtWdfIoQueueIoDeviceControl] <-- sys 508 372 2023/07/12-02:34:22.665 TRACE_LEVEL_INFORMATION [ReaperEvtIoDeviceControlCompletionRoutine][SCSI\Disk&Ven_HP&Prod_LOGICAL_VOLUME-000400] Completed request with IoControlCode: 0x4D014 sys 508 372 2023/07/12-02:34:22.665 TRACE_LEVEL_INFORMATION [ReaperEvtIoDeviceControlCompletionRoutine]<< IOCTL_SCSI_PASS_THROUGH_DIRECT sys 508 372 2023/07/12-02:34:22.665 TRACE_LEVEL_VERBOSE [DumpAsHex][O] SCSI_PASS_THROUGH_DIRECT - Buffer length: 0056, buffer content: 38000000040006000100000020000000FFFF000000000000607DCA02000000003C00000012018300FF000000000000000000000000000000 sys 2164 296 2023/07/12-02:34:22.667 TRACE_LEVEL_VERBOSE [ReaperEvtWdfIoQueueIoDeviceControl] --> Entry Entry Entry > IOCTL_SCSI_PASS_THROUGH_DIRECT sys 2164 296 2023/07/12-02:34:22.667 TRACE_LEVEL_VERBOSE [DumpAsHex][I] SCSI_PASS_THROUGH_DIRECT - Buffer length: 0056, buffer content: 380000000000060001000000FF000000FFFF000000000000607DCA02000000003C00000012018300FF000000000000000000000000000000 sys 2164 296 2023/07/12-02:34:22.667 TRACE_LEVEL_VERBOSE [ReaperEvtWdfIoQueueIoDeviceControl] <-- sys 1372 2772 2023/07/12-02:34:22.667 TRACE_LEVEL_INFORMATION [ReaperEvtIoDeviceControlCompletionRoutine][SCSI\Disk&Ven_HP&Prod_LOGICAL_VOLUME-000400] Completed request with IoControlCode: 0x4D014 sys 1372 2772 2023/07/12-02:34:22.667 TRACE_LEVEL_INFORMATION [ReaperEvtIoDeviceControlCompletionRoutine]<< IOCTL_SCSI_PASS_THROUGH_DIRECT sys 1372 2772 2023/07/12-02:34:22.667 TRACE_LEVEL_VERBOSE [DumpAsHex][O] SCSI_PASS_THROUGH_DIRECT - Buffer length: 0056, buffer content: 38000000040006000100000020000000FFFF000000000000607DCA02000000003C00000012018300FF000000000000000000000000000000 sys 2164 296 2023/07/12-02:34:22.668 TRACE_LEVEL_VERBOSE [ReaperEvtWdfIoQueueIoDeviceControl] --> Entry Entry Entry > IOCTL_SCSI_PASS_THROUGH_DIRECT sys 2164 296 2023/07/12-02:34:22.668 TRACE_LEVEL_VERBOSE [DumpAsHex][I] SCSI_PASS_THROUGH_DIRECT - Buffer length: 0056, buffer content: 380000000000060001000000FF000000FFFF000000000000607DCA02000000003C00000012018300FF000000000000000000000000000000 sys 2164 296 2023/07/12-02:34:22.668 TRACE_LEVEL_VERBOSE [ReaperEvtWdfIoQueueIoDeviceControl] <-- sys 1372 992 2023/07/12-02:34:22.668 TRACE_LEVEL_INFORMATION [ReaperEvtIoDeviceControlCompletionRoutine][SCSI\Disk&Ven_HP&Prod_LOGICAL_VOLUME-000500] Completed request with IoControlCode: 0x4D014 sys 1372 992 2023/07/12-02:34:22.668 TRACE_LEVEL_INFORMATION [ReaperEvtIoDeviceControlCompletionRoutine]<< IOCTL_SCSI_PASS_THROUGH_DIRECT sys 1372 992 2023/07/12-02:34:22.668 TRACE_LEVEL_VERBOSE [DumpAsHex][O] SCSI_PASS_THROUGH_DIRECT - Buffer length: 0056, buffer content: 38000000050006000100000020000000FFFF000000000000607DCA02000000003C00000012018300FF000000000000000000000000000000 ``` ### Changing Write Cache settings In `Caching Settings - Smart Array P410 in Slot 1`, changed `Enable Write Cache When Battery/Capacitor Not Present or Not Completely Charged` from `Disabled` to `Enabled`: ```text sys 2812 2396 2023/07/12-02:41:49.723 TRACE_LEVEL_VERBOSE [ReaperEvtWdfIoQueueIoDeviceControl] --> Entry Entry Entry > IOCTL_SCSI_PASS_THROUGH_DIRECT sys 2812 2396 2023/07/12-02:41:49.723 TRACE_LEVEL_VERBOSE [DumpAsHex][I] SCSI_PASS_THROUGH_DIRECT - Buffer length: 0056, buffer content: 380000000000060001000000FF000000FFFF000000000000F07A8902000000003C00000012018300FF000000000000000000000000000000 sys 2812 2396 2023/07/12-02:41:49.723 TRACE_LEVEL_VERBOSE [ReaperEvtWdfIoQueueIoDeviceControl] <-- sys 3068 1364 2023/07/12-02:41:49.723 TRACE_LEVEL_INFORMATION [ReaperEvtIoDeviceControlCompletionRoutine][SCSI\Disk&Ven_HP&Prod_LOGICAL_VOLUME-000400] Completed request with IoControlCode: 0x4D014 sys 3068 1364 2023/07/12-02:41:49.723 TRACE_LEVEL_INFORMATION [ReaperEvtIoDeviceControlCompletionRoutine]<< IOCTL_SCSI_PASS_THROUGH_DIRECT sys 3068 1364 2023/07/12-02:41:49.723 TRACE_LEVEL_VERBOSE [DumpAsHex][O] SCSI_PASS_THROUGH_DIRECT - Buffer length: 0056, buffer content: 38000000040006000100000020000000FFFF000000000000F07A8902000000003C00000012018300FF000000000000000000000000000000 sys 2812 2396 2023/07/12-02:41:49.726 TRACE_LEVEL_VERBOSE [ReaperEvtWdfIoQueueIoDeviceControl] --> Entry Entry Entry > IOCTL_SCSI_PASS_THROUGH_DIRECT sys 2812 2396 2023/07/12-02:41:49.726 TRACE_LEVEL_VERBOSE [DumpAsHex][I] SCSI_PASS_THROUGH_DIRECT - Buffer length: 0056, buffer content: 380000000000060001000000FF000000FFFF000000000000F07A8902000000003C00000012018300FF000000000000000000000000000000 sys 2812 2396 2023/07/12-02:41:49.726 TRACE_LEVEL_VERBOSE [ReaperEvtWdfIoQueueIoDeviceControl] <-- sys 3068 1364 2023/07/12-02:41:49.726 TRACE_LEVEL_INFORMATION [ReaperEvtIoDeviceControlCompletionRoutine][SCSI\Disk&Ven_HP&Prod_LOGICAL_VOLUME-000400] Completed request with IoControlCode: 0x4D014 sys 3068 1364 2023/07/12-02:41:49.726 TRACE_LEVEL_INFORMATION [ReaperEvtIoDeviceControlCompletionRoutine]<< IOCTL_SCSI_PASS_THROUGH_DIRECT sys 3068 1364 2023/07/12-02:41:49.726 TRACE_LEVEL_VERBOSE [DumpAsHex][O] SCSI_PASS_THROUGH_DIRECT - Buffer length: 0056, buffer content: 38000000040006000100000020000000FFFF000000000000F07A8902000000003C00000012018300FF000000000000000000000000000000 sys 2812 2396 2023/07/12-02:41:49.727 TRACE_LEVEL_VERBOSE [ReaperEvtWdfIoQueueIoDeviceControl] --> Entry Entry Entry > IOCTL_SCSI_PASS_THROUGH_DIRECT sys 2812 2396 2023/07/12-02:41:49.727 TRACE_LEVEL_VERBOSE [DumpAsHex][I] SCSI_PASS_THROUGH_DIRECT - Buffer length: 0056, buffer content: 380000000000060001000000FF000000FFFF000000000000F07A8902000000003C00000012018300FF000000000000000000000000000000 sys 2812 2396 2023/07/12-02:41:49.727 TRACE_LEVEL_VERBOSE [ReaperEvtWdfIoQueueIoDeviceControl] <-- sys 3068 1364 2023/07/12-02:41:49.727 TRACE_LEVEL_INFORMATION [ReaperEvtIoDeviceControlCompletionRoutine][SCSI\Disk&Ven_HP&Prod_LOGICAL_VOLUME-000500] Completed request with IoControlCode: 0x4D014 sys 3068 1364 2023/07/12-02:41:49.727 TRACE_LEVEL_INFORMATION [ReaperEvtIoDeviceControlCompletionRoutine]<< IOCTL_SCSI_PASS_THROUGH_DIRECT sys 3068 1364 2023/07/12-02:41:49.727 TRACE_LEVEL_VERBOSE [DumpAsHex][O] SCSI_PASS_THROUGH_DIRECT - Buffer length: 0056, buffer content: 38000000050006000100000020000000FFFF000000000000F07A8902000000003C00000012018300FF000000000000000000000000000000 ```