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。
# fcstat fcs0

FIBRE CHANNEL STATISTICS REPORT: fcs0

Device Type: FC Adapter (df1000fd)
Serial Number: 1B832046D2
Option ROM Version: 02C82774
Firmware Version: B1D2.70A5
World Wide Node Name: 0x20000000C97D90C7
World Wide Port Name: 0x10000000C97D90C7

FC-4 TYPES:
  Supported: 0x0000012000000000000000000000000000000000000000000000000000000000
  Active:    0x0000010000000000000000000000000000000000000000000000000000000000
Class of Service: 3
Port Speed (supported): 4 GBIT
Port Speed (running):   4 GBIT
Port FC ID: 0x010C00
Port Type: Fabric

Seconds Since Last Reset: 126427

        Transmit Statistics     Receive Statistics
        -------------------     ------------------
Frames: 67179368                357324239
Words:  21942779392             170055182592

LIP Count: 0
NOS Count: 0
Error Frames:  0
Dumped Frames: 0
Link Failure Count: 1
Loss of Sync Count: 1
Loss of Signal: 0
Primitive Seq Protocol Error Count: 0
Invalid Tx Word Count: 0
Invalid CRC Count: 0

IP over FC Adapter Driver Information
  No DMA Resource Count: 0
  No Adapter Elements Count: 0

FC SCSI Adapter Driver Information
  No DMA Resource Count: 0
  No Adapter Elements Count: 0
  No Command Resource Count: 0

IP over FC Traffic Statistics
  Input Requests:   0
  Output Requests:  0
  Control Requests: 0
  Input Bytes:  0
  Output Bytes: 0

FC SCSI Traffic Statistics
  Input Requests:   21480392
  Output Requests:  4024011
  Control Requests: 3594
  Input Bytes:  671290376451
  Output Bytes: 85342588928
# fcstat fcs1

FIBRE CHANNEL STATISTICS REPORT: fcs1

Device Type: FC Adapter (df1000fd)
Serial Number: 1B832046CE
Option ROM Version: 02C82774
Firmware Version: B1D2.70A5
World Wide Node Name: 0x20000000C97D9139
World Wide Port Name: 0x10000000C97D9139

FC-4 TYPES:
  Supported: 0x0000012000000000000000000000000000000000000000000000000000000000
  Active:    0x0000010000000000000000000000000000000000000000000000000000000000
Class of Service: 3
Port Speed (supported): 4 GBIT
Port Speed (running):   4 GBIT
Port FC ID: 0x010600
Port Type: Fabric

Seconds Since Last Reset: 126434

        Transmit Statistics     Receive Statistics
        -------------------     ------------------
Frames: 4405                    4487
Words:  64256                   57600

LIP Count: 0
NOS Count: 0
Error Frames:  0
Dumped Frames: 0
Link Failure Count: 1
Loss of Sync Count: 1
Loss of Signal: 0
Primitive Seq Protocol Error Count: 0
Invalid Tx Word Count: 3
Invalid CRC Count: 0

IP over FC Adapter Driver Information
  No DMA Resource Count: 0
  No Adapter Elements Count: 0

FC SCSI Adapter Driver Information
  No DMA Resource Count: 0
  No Adapter Elements Count: 0
  No Command Resource Count: 0

IP over FC Traffic Statistics
  Input Requests:   0
  Output Requests:  0
  Control Requests: 0
  Input Bytes:  0
  Output Bytes: 0

FC SCSI Traffic Statistics
  Input Requests:   2
  Output Requests:  0
  Control Requests: 4218
  Input Bytes:  510
  Output Bytes: 0

meilixueshan

byte
不建议修改