Brocade交换机端口上报告传输的字词无效(ITW)错误
适用场景
- SAN
- Brocade
- 光纤 MetroCluster
- ONTAP 9
问题描述
- 传输的无效字词(ITW)端口计数器较高、并且在Brocade交换机端口上增加：
brocade_switch> portshow
示例：
portshow 9
..
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
- Porterrshow报告多个错误，如CRC错误、CRC g_eof、enc_out、C3 Tx丢弃，如以下代码段所示：
/fabos/cliexec/porterrshow:
frames enc crc crc too too bad enc disc link loss loss frjt fbsy c3timeout pcs uncor
tx rx in err g_eof shrt long eof out c3 fail sync sig tx rx err err
155: 165.9g 6.3g 9.5k 8.0k 7.3k 0 0 758 795.5m 111 0 0 0 0 0 106 0 0 0
Errdump报告RuleName=defALL_HOST_PORTSITW_21由于这些ITW错误而被挖起、并报告DIN数字巨大：
Errdump:
2022/12/12-19:20:16, [MAPS-1003], 769558, SLOT 2 | FID 128, WARNING, switchXX, slot3 port29-Host.LINUX:CBXPR_APP02.ALIAS:HBCBXPRDAP02_HBA2:VSP5, F-Port 3/29, Condition=ALL_HOST_PORTS(ITW/min>21), Current Value:[ITW, 521 ITWs], RuleName=defALL_HOST_PORTSITW_21, Dashboard Category=Port Health.
2022/12/12-19:21:16, [MAPS-1003], 769561, SLOT 2 | FID 128, WARNING, switchXX, slot3 port29-Host.LINUX:CBXPR_APP02.ALIAS:HBCBXPRDAP02_HBA2:VSP5, F-Port 3/29, Condition=ALL_HOST_PORTS(ITW/min>21), Current Value:[ITW, 824 ITWs], RuleName=defALL_HOST_PORTSITW_21, Dashboard Category=Port Health.
2022/12/12-19:22:16, [MAPS-1003], 769562, SLOT 2 | FID 128, WARNING, switchXX, slot3 port29-Host.LINUX:CBXPR_APP02.ALIAS:HBCBXPRDAP02_HBA2:VSP5, F-Port 3/29, Condition=ALL_HOST_PORTS(ITW/min>21), Current Value:[ITW, 1422 ITWs], RuleName=defALL_HOST_PORTSITW_21, Dashboard Category=Port Health.