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тАО11-12-2007 01:37 PM
тАО11-12-2007 01:37 PM
ftp problem on Linux / Redhat
We have an ftp script in place to ftp files from the HP UX itanium Production server to the blade server which runs Linux Redhat.
The ftp drops intermittently . Ping works fine and so is the network connections. I have other 5 blades in the same Enclosure and all of them ( linux) works fine except 2 . I compared the n/w configs and everything looks ok to me ( Iam new in Linux !!)
Could some one help me . Point assured !!
Rgds/ James George
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тАО11-12-2007 06:47 PM
тАО11-12-2007 06:47 PM
Re: ftp problem on Linux / Redhat
2) does ftp drop for small files too?
3) what about transfer via scp - the same problem?
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тАО11-12-2007 10:45 PM
тАО11-12-2007 10:45 PM
Re: ftp problem on Linux / Redhat
Ping sends very small size packets. You should try other testings, as said above, manually sending the files.
For example, if you have negotiation problems, ping will work but the transfer will be hang/dropped if you send large files. Check your data transfer rate.
Verify your FTP server log files to see if there is a clue.
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тАО11-13-2007 12:51 AM
тАО11-13-2007 12:51 AM
Re: ftp problem on Linux / Redhat
1) Large packet pings.
2) SFTP, different protocol, different timeout.
3) vsftp logging
4) dmesg on all servers involved.
5) run tcpdump port 21 or for hostname and look at the results.
SEP
Owner of ISN Corporation
http://isnamerica.com
http://hpuxconsulting.com
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тАО11-13-2007 06:30 AM
тАО11-13-2007 06:30 AM
Re: ftp problem on Linux / Redhat
what is the linux && kernel versions?
I had observed known ftp issues with 2.4.21-47.ELsmp/RHEL3