监控 Brocade 交换机端口时报告了无效的传输字（ ITW ）错误
适用场景
- SAN
- Brocade
- 光纤 MetroCluster
- ONTAP 9
问题描述
- 在 Brocade 交换机端口上，无效的传输字（ ITW ）端口计数器为高电平并增加
brocade_switch> portshow
示例：
portshow 9 portDisableReason: None portCFlags: 0x1 portFlags: 0x20b03 PRESENT ACTIVE F_PORT G_PORT U_PORT LOGICAL_ONLINE LOGIN NOELP ACCEPT FLOGI LocalSwcFlags: 0x0 portType: 26.0 POD Port: Port is licensed portState: 1Online Protocol: FC portPhys: 6In_Sync portScn: 32F_Port port generation number: 0 state transition count: 1 portId: 050900 portIfId: 43020035 portWwn: 20:09:88:94:71:eb:e1:0d portWwn of device(s) connected: 21:00:00:10:86:ac:69:80 16b Area list: Distance: normal portSpeed: 16Gbps FEC: Inactive Credit Recovery: Inactive Aoq: Inactive FAA: Inactive F_Trunk: Inactive LE domain: 0 Peer beacon: Off FC Fastwrite: OFF Interrupts: 134 Link_failure: 3 Frjt: 0 Unknown: 0 Loss_of_sync: 7 Fbsy: 0 Lli: 1224 Loss_of_sig: 0 Proc_rqrd: 253 Protocol_err: 0 Timed_out: 0 Invalid_word: 23044 Tx_unavail: 0 Invalid_crc: 0 Delim_err: 0 Address_err: 0 Lr_in: 2 Ols_in: 0 Lr_out: 0 Ols_out: 32