NFS导出为SAMBA目录时Windows写入问题（NFS有大量文件）

chris_zhu

系统环境说明:
1. SAMBA服务端(192.168.1.100)：RHEL5.3 64bit；samba-3.0.33-3.7.el5
a. 将netapp的nfs挂载目录/mnt/nfs作为samba目录导出，目录名为nfs，NFS目录有数据160G，文件数150万
b. 为了对比，将本地目录/mnt/test也作为samba目录导出，目录名为test，目录为空

2. SAMBA客户端(192.168.1.102)：Windows 2003 R2 X64

问题说明：
Windows访问test目录一切正常，但访问nfs目录时都有30秒的等待时间，不管文件大小，30秒后传输才正常。

1. 
   
2. listening on eth0, link-type EN10MB (Ethernet), capture size 96 bytes
   
3. 10:41:12.967825 IP 192.168.1.102.1707 > 192.168.1.100.445: P 2193104950:2193105102(152) ack 2067750188 win 65327
   
4. 10:41:12.968505 IP 192.168.1.100.445 > 192.168.1.102.1707: P 1:40(39) ack 152 win 9648
   
5. 10:41:12.968753 IP 192.168.1.102.1707 > 192.168.1.100.445: P 152:294(142) ack 40 win 65288
   
6. 10:41:12.969067 IP 192.168.1.100.445 > 192.168.1.102.1707: P 40:79(39) ack 294 win 10720
   
7. 10:41:12.969320 IP 192.168.1.102.1707 > 192.168.1.100.445: P 294:446(152) ack 79 win 65249
   
8. 10:41:13.009226 IP 192.168.1.100.445 > 192.168.1.102.1707: . ack 446 win 11792
   
9. 10:41:14.557560 IP 192.168.1.102.1707 > 192.168.1.100.445: P 446:800(354) ack 79 win 65249
   
10. 10:41:14.557566 IP 192.168.1.100.445 > 192.168.1.102.1707: . ack 800 win 12864
    
11. 
    
12. 
    
13. 10:41:42.967958 IP 192.168.1.100.445 > 192.168.1.102.1707: P 79:218(139) ack 800 win 12864
    
14. 10:41:42.968176 IP 192.168.1.102.1707 > 192.168.1.100.445: P 800:874(74) ack 218 win 65110

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怀疑：
初步怀疑是windows每次访问时候都要做文件索引，nfs目录文件数太多，导致拷贝数据开始阶段很慢。

Google了好久，没找到解决方案，有对SAMBA熟悉朋友没，帮忙解答下。


谢谢了。


SAMBA配置文件：

1. #======================= Global Settings =====================================
   
2. 
   
3. [global]
   
4.     workgroup = WORKGROUP
   
5.     server string = Samba Server Version %v - nfs-rhel5
   
6.     netbios name = nfs-rhel5
   
7.     hosts allow = 192.168.1.101 192.168.1.102
   
8.     ;smb ports = 139
   
9.     socket options = TCP_NODELAY IPTOS_LOWDELAY IPTOS_THROUGHPUT SO_KEEPALIVE SO_RCVBUF=65536 SO_SNDBUF=65536
   
10. 
    
11.     # logs split per machine
    
12. ;   log file = /var/log/samba/%m.log
    
13. ;   max log size = 50
    
14.     log level = 2
    
15. 
    
16.     security = share
    
17.     guest account  = admin
    
18. 
    
19.     load printers = no
    
20.     show add printer wizard = no
    
21.     printing = none
    
22.     printcap name = /dev/null
    
23.     disable spoolss = yes
    
24. 
    
25. #============================ Share Definitions ==============================
    
26. [nfs]
    
27.    comment  = nfs
    
28.    writable = yes
    
29.    locking  = no
    
30.    path     = /mnt/nfs
    
31.    guest ok = yes
    
32. 
    
33. [test]
    
34.    comment  = test
    
35.    writable = yes
    
36.    locking  = no
    
37.    path     = /mnt/test
    
38.    guest ok = yes

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chris_zhu

可能是Samba对大量少文件支持不够好，搞不定了

搞不定，最后通过Microsoft NFS客户端服务+用户映射了