请教FC卡的Maxinum transfer size需要配置吗？

wxz8

在smitty中，我看到缺省的是0x100000，不知道是否需要配置。另外，这个size是以什么为单位的，bit or byte、other？

wxz8

以下是我用fcstat收集到的信息，两块FC卡作了MPIO，存储是HP的EVA6000。\r\n# fcstat fcs0\r\n\r\nFIBRE CHANNEL STATISTICS REPORT: fcs0\r\n\r\nDevice Type: FC Adapter (df1000fd)\r\nSerial Number: 1B832046D2\r\nOption ROM Version: 02C82774\r\nFirmware Version: B1D2.70A5\r\nWorld Wide Node Name: 0x20000000C97D90C7\r\nWorld Wide Port Name: 0x10000000C97D90C7\r\n\r\nFC-4 TYPES:\r\n  Supported: 0x0000012000000000000000000000000000000000000000000000000000000000\r\n  Active:    0x0000010000000000000000000000000000000000000000000000000000000000\r\nClass of Service: 3\r\nPort Speed (supported): 4 GBIT\r\nPort Speed (running):   4 GBIT\r\nPort FC ID: 0x010C00\r\nPort Type: Fabric\r\n\r\nSeconds Since Last Reset: 126427\r\n\r\n        Transmit Statistics     Receive Statistics\r\n        -------------------     ------------------\r\nFrames: 67179368                357324239\r\nWords:  21942779392             170055182592\r\n\r\nLIP Count: 0\r\nNOS Count: 0\r\nError Frames:  0\r\nDumped Frames: 0\r\nLink Failure Count: 1\r\nLoss of Sync Count: 1\r\nLoss of Signal: 0\r\nPrimitive Seq Protocol Error Count: 0\r\nInvalid Tx Word Count: 0\r\nInvalid CRC Count: 0\r\n\r\nIP over FC Adapter Driver Information\r\n  No DMA Resource Count: 0\r\n  No Adapter Elements Count: 0\r\n\r\nFC SCSI Adapter Driver Information\r\n  No DMA Resource Count: 0\r\n  No Adapter Elements Count: 0\r\n  No Command Resource Count: 0\r\n\r\nIP over FC Traffic Statistics\r\n  Input Requests:   0\r\n  Output Requests:  0\r\n  Control Requests: 0\r\n  Input Bytes:  0\r\n  Output Bytes: 0\r\n\r\nFC SCSI Traffic Statistics\r\n  Input Requests:   21480392\r\n  Output Requests:  4024011\r\n  Control Requests: 3594\r\n  Input Bytes:  671290376451\r\n  Output Bytes: 85342588928\r\n# fcstat fcs1\r\n\r\nFIBRE CHANNEL STATISTICS REPORT: fcs1\r\n\r\nDevice Type: FC Adapter (df1000fd)\r\nSerial Number: 1B832046CE\r\nOption ROM Version: 02C82774\r\nFirmware Version: B1D2.70A5\r\nWorld Wide Node Name: 0x20000000C97D9139\r\nWorld Wide Port Name: 0x10000000C97D9139\r\n\r\nFC-4 TYPES:\r\n  Supported: 0x0000012000000000000000000000000000000000000000000000000000000000\r\n  Active:    0x0000010000000000000000000000000000000000000000000000000000000000\r\nClass of Service: 3\r\nPort Speed (supported): 4 GBIT\r\nPort Speed (running):   4 GBIT\r\nPort FC ID: 0x010600\r\nPort Type: Fabric\r\n\r\nSeconds Since Last Reset: 126434\r\n\r\n        Transmit Statistics     Receive Statistics\r\n        -------------------     ------------------\r\nFrames: 4405                    4487\r\nWords:  64256                   57600\r\n\r\nLIP Count: 0\r\nNOS Count: 0\r\nError Frames:  0\r\nDumped Frames: 0\r\nLink Failure Count: 1\r\nLoss of Sync Count: 1\r\nLoss of Signal: 0\r\nPrimitive Seq Protocol Error Count: 0\r\nInvalid Tx Word Count: 3\r\nInvalid CRC Count: 0\r\n\r\nIP over FC Adapter Driver Information\r\n  No DMA Resource Count: 0\r\n  No Adapter Elements Count: 0\r\n\r\nFC SCSI Adapter Driver Information\r\n  No DMA Resource Count: 0\r\n  No Adapter Elements Count: 0\r\n  No Command Resource Count: 0\r\n\r\nIP over FC Traffic Statistics\r\n  Input Requests:   0\r\n  Output Requests:  0\r\n  Control Requests: 0\r\n  Input Bytes:  0\r\n  Output Bytes: 0\r\n\r\nFC SCSI Traffic Statistics\r\n  Input Requests:   2\r\n  Output Requests:  0\r\n  Control Requests: 4218\r\n  Input Bytes:  510\r\n  Output Bytes: 0