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NetWorker:Solaris NetWorker 客户端备份失败,并显示 “无法将套接字绑定到连接端口”

Summary: 连接端口:10001-30000 允许守护程序在备份报告“无法将套接字绑定到系统上已配置端口范围内的连接端口”时在 Solaris 主机上保持连接 : 无法分配请求的地址。

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Symptoms

  • Solaris 主机的定时备份偶尔会报告:
61320:savefs: Cannot bind socket to connection port in configured port range on system <Client_name>: Cannot assign requested address
61320:savefs: Cannot bind socket to connection port in configured port range on system <Client_name>: Cannot assign requested address
97512:savefs: Cannot access NetWorker server '<NetWorker_server_name>': Remote system error - Cannot assign requested address
savefs <Client_name>: failed.

 

  • 客户端上的 daemon.raw 文件报告:
61320 1483533202 3 1 126 3 38646 0 <Client_name> nsrexecd SYSTEM error 79 Cannot bind socket to connection port in configured port range on system %s: %s 2 12 10 <Client_name> 24 31 Cannot assign requested address - Port is free

NetWorker:如何使用nsr_render_log

 

  • 客户端上的 netstat 命令为 7937 和 7938 CLOSE_WAIT秒。
root@<Client_Name> # netstat -an | grep -i 7938
<ip_address_1>.37938 <ip_address_1>.9151 49878 0 49152 0 CLOSE_WAIT
<ip_address_1>.47938 <ip_address_1>.9151 49877 0 49152 0 CLOSE_WAIT
<ip_address_1>.57938 <ip_address_1>.9151 49877 0 49152 0 CLOSE_WAIT
 
root@fmsprochk1 # netstat -an | grep -i 7937
<ip_address_1>.37937 <ip_address_1>.9151 49875 0 49152 0 CLOSE_WAIT
<ip_address_1>.57937 <ip_address_1>.9151 49878 0 49152 0 CLOSE_WAIT
<ip_address_1>.47937 <ip_address_1>.9151 49878 0 49152 0 CLOSE_WAIT

 

  • 客户端上的 /etc/hosts 文件具有:
::1 localhost
127.0.0.1 localhost localhost.localdomain

 

  • 确认方式 ipfstat -io 防火墙(IP 筛选器)未运行或配置。

 

Cause

Solaris 主机无法使用“connection ports:0-0

 

Resolution

更新客户端上使用的连接端口。

  1. 以 root 用户身份登录客户端。

  2. 运行以下命令 nsrports 用于将连接端口范围从默认 (0-0) 设置为传统端口范围 (10001-30000) 的命令:
    nsrports -C 10001-30000

  3. 通过运行以下命令验证新端口设置 nsrports 没有其他标记。

[root@lnx-client02]:~# nsrports
Service ports: 7937-9936
Connection ports: 10001-30000

 

解决方法:停止客户端上的 NetWorker 守护程序,并使用 kill 结束任何剩余的守护程序,然后启动这些守护程序可使备份工作一段时间。

 

Affected Products

NetWorker

Products

NetWorker