Symantec Backup Exec Agent For Linux防火牆問題,backupexec
如果在Unix或Linux安裝配置好了Symantec Backup Exec Agent For Linux,但是在Symantec Backup Exec服務端無法訪問Symantec Backup Exec Agent,那麼此時你首先應該檢查Unix或Linux上的Symantec Backup Exec Agent服務是否啟動。如下所示,可以確認Symantec Backup Exec Agent服務已經啟動。如果沒有啟動,可以執行/etc/init.d/VRTSralus.init start 命令啟動服務。(注意:出於一些原因,原伺服器名稱我會用db-server替換)
[root@db-server ~]# lsof -i tcp:10000
COMMAND PID USER FD TYPE DEVICE SIZE NODE NAME
beremote 3495 root 5u IPv4 13184 TCP *:ndmp (LISTEN)
[root@db-server ~]# ps -ef | grep beremote
root 3495 1 0 Nov02 ? 00:00:09 /opt/VRTSralus/bin/beremote
root 5906 2573 0 12:02 pts/2 00:00:00 grep beremote
[root@db-server ~]#
那麼接下來,我們看看是否可以通過連接埠10000號telnet到Linux伺服器,如下所示,串連失敗(Connection failed),那麼我們可以確認是Linux上的防火牆問題
如果你想確認一下,可以臨時關閉防火牆服務測試一下(service iptables stop)。
那麼接下來需要配置防火牆,我們需要使用下面命令添加連接埠號碼10000
iptables -A INPUT -s <Media Server IP> -d <Unix Server IP> -p tcp --dport 10000 -j ACCEPT
[root@db-server ~]# iptables -A INPUT -s 192.168.16.16 -d 192.168.16.3 -p tcp --dport 10000 -j ACCEPT
[root@db-server ~]# service iptables save
Saving firewall rules to /etc/sysconfig/iptables: [ OK ]
[root@db-server ~]# service iptables restart
Flushing firewall rules: [ OK ]
Setting chains to policy ACCEPT: filter [ OK ]
Unloading iptables modules: [ OK ]
Applying iptables firewall rules: [ OK ]
Loading additional iptables modules: ip_conntrack_netbios_ns ip_conntrack_ftp [ OK ]
[root@db-server ~]#
結果繼續使用telnet測試,發現問題依然存在,很是納悶,檢查iptables發現如下資訊
[root@db-server ~]# more /etc/sysconfig/iptables
# Generated by iptables-save v1.3.5 on Tue Nov 4 12:14:53 2014
*filter
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [46679:7171562]
:RH-Firewall-1-INPUT - [0:0]
-A INPUT -j RH-Firewall-1-INPUT
-A INPUT -s 192.168.16.16 -d 192.168.16.3 -p tcp -m tcp --dport 10000 -j ACCEPT
-A FORWARD -j RH-Firewall-1-INPUT
-A RH-Firewall-1-INPUT -i lo -j ACCEPT
-A RH-Firewall-1-INPUT -p icmp -m icmp --icmp-type any -j ACCEPT
-A RH-Firewall-1-INPUT -p esp -j ACCEPT
-A RH-Firewall-1-INPUT -p ah -j ACCEPT
-A RH-Firewall-1-INPUT -d 224.0.0.251 -p udp -m udp --dport 5353 -j ACCEPT
-A RH-Firewall-1-INPUT -p udp -m udp --dport 631 -j ACCEPT
-A RH-Firewall-1-INPUT -p tcp -m tcp --dport 631 -j ACCEPT
-A RH-Firewall-1-INPUT -p tcp -m state --state NEW -m tcp --dport 8080 -j ACCEPT
-A RH-Firewall-1-INPUT -p tcp -m state --state NEW -m tcp --dport 8088 -j ACCEPT
-A RH-Firewall-1-INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
-A RH-Firewall-1-INPUT -p tcp -m state --state NEW -m tcp --dport 21 -j ACCEPT
-A RH-Firewall-1-INPUT -p tcp -m state --state NEW -m tcp --dport 22 -j ACCEPT
-A RH-Firewall-1-INPUT -p tcp -m tcp --dport 5901 -j ACCEPT
-A RH-Firewall-1-INPUT -p tcp -m tcp --dport 5902 -j ACCEPT
-A RH-Firewall-1-INPUT -p tcp -m state --state NEW -m tcp --dport 1521 -j ACCEPT
-A RH-Firewall-1-INPUT -j REJECT --reject-with icmp-host-prohibited
COMMIT
# Completed on Tue Nov 4 12:14:53 2014
該Linux伺服器版本為Oracle Linux Server release 5.7,需要修改上面紅色部分的配置,改為下面配置,然後重啟iptables服務。問題解決。
[root@nbolnx01 ~]# service iptables restart
Flushing firewall rules: [ OK ]
Setting chains to policy ACCEPT: filter [ OK ]
Unloading iptables modules: [ OK ]
Applying iptables firewall rules: [ OK ]
Loading additional iptables modules: ip_conntrack_netbios_ns ip_conntrack_ftp [ OK ]
參考資料:
http://www.symantec.com/business/support/index?page=content&id=TECH68258
怎查看Symantec Backup exec agent是否啟動
在需要檢查的伺服器上執行以下動作即可:
1.點開始,點運行
2.輸入Services.msc
3.檢查Backup Exec Remote Agent For Windows Systems
4.如果後面顯示已啟動,則是正常啟動,其他狀態為啟動失敗。
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