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Connectrix Brocade:SANnav 光纖探索失敗,因為「Login failed.Service is not available at this time」和「connection timed out」錯誤

Summary: 無法探索 SANnav 上的交換器,由於「Login failed.Service is not available at this time」和「connection timed out」錯誤

This article applies to This article does not apply to This article is not tied to any specific product. Not all product versions are identified in this article.

Symptoms

1) 若沒有以 snmp 使用者將 SANNav 新增至交換器的 SNMP 組態內,您可能會收到「Login failed.Service is not available at this time」錯誤。

請參閱以下螢幕擷圖:
image.png
 
2) 當並非所有 SANnav 服務都已啟動並在執行中、防火牆有所限制,或是伺服器與交換器的通訊失敗時,可能會收到「connection timed out」錯誤。

請參閱以下螢幕擷圖:
image.png

Cause

N/A

Resolution


1) 修正登入問題:「Login failed.Service is not available at this time」
 
 - 在交換器上檢查 SNMP 組態,但未找到列出的 SANnav IP。
- 建立與 fabos「admin」相同的使用者,將 SANnav IP 新增至 snmp 清單。

- Ping 運作是從伺服器到交換器,反之亦然。
- 我們已在伺服器上重新開機 Sannav 服務:
[user@sannav.lab bin]$ ./restart-sannav-status.sh
 
 - 檢查服務時,發現以下服務已中斷。
[user@sannav.lab bin]$ ./check-sannav-status.sh
Following services are currently down
performancemanagement-middleware
fe-consolidated-2

- 重新開機 SANnav 伺服器,然後檢查是否有服務,確認所有服務都已啟動並在執行中。
- 然後便能透過 Web 入口網站成功登入 SANnav 伺服器。

2) 修復光纖探索:「connection timed out」
 
- 若要檢查是否有任何防火牆限制,請在 SANnav 伺服器上檢查以下命令:
  # firewall-cmd --list -all
若發現任何限制,請參閱安裝指南,其中指出需要開啟的開啟清單。

- 除了光纖探索逾時錯誤以外,在 SANnav 伺服器中也有許多關於 SNMP 和 HTTP 的錯誤:

例如:
"Failed to discover a Fabric with seed switch 10.xx.xx.xx. Connection timed out",
"Failed to discover a Fabric with seed switch 10.yy.yy.yy. Connection timed out",

 
switch-asset-collectors-mw - [ERROR] 2020-08-18 00:18:48.438 [http-nio-7021-exec-1] com.brocade.dcm.connector.snmp.AbstractSnmpConnector - Error in SNMP get. Device 10.xx.xx.xx, Request timed out or device is unreachable
 
2020/08/17 23:42:51 [error] 6#6: *3956 connect() failed (113: No route to host) while connecting to upstream, client: 10.x.y.z, server: spectre_ssl, request: "POST /auth/login HTTP/2.0", upstream: "http://10.x.y.z:8021/auth/login", host: "10.yy.yy.yy", referrer: "https://10.yy.yy.yy/"

- 下列行動計畫有助於解決連線逾時問題:

a) 停止 SANnav 服務
 
b) 修改 SANnav「server.properties」檔案,將 SANnav 伺服器的通訊連接埠改變城交換器,如下所示:
 
# Server to Switch Communication preference
# 0 --> HTTP Only
# 1 --> HTTPS Only
# 2 --> First HTTPS and then HTTP
dcm.server.switch.comm.preference=0
 
c) 將 SANnav 伺服器重新開機
 
d) 重新嘗試光纖探索,即可成功探索到交換器。
 

Affected Products

Connectrix SANnav
Article Properties
Article Number: 000185968
Article Type: Solution
Last Modified: 13 Aug 2022
Version:  5
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