SCP Problem

Posted on 2011-10-02
Last Modified: 2012-05-12
I have scp problem while remote copying files from source (solaris 10) to destination (solaris 10)

Actually, I have not any problem while performing scp to /tmp partition but when I try to copy another surface (disk), scp operation might be two slow or it is being in suspended state with writing "stalled"

Is it about the destionation disk i/o performance? How can I check?
Question by:portino
    LVL 48

    Expert Comment

    What exactly do you mean by "another surface (disk)"?
    LVL 9

    Expert Comment

    The reason for scp to stall, is because scp grabs as much bandwith of the network as possible when it transfers files, any delay caused by the network switch of the firewall can easily make the TCP connection stalled.
    Use the option "-l 8192¿ (scp -l 8192 source destination) to limit the bandwidth to about 8Mb/s which give reasonable speed and avoid network being stalled.

    Accepted Solution

    I have found the reason of the problem. One of raid5 controlled disk has a hw problem. I will try to replace it.

    Author Closing Comment

    replacing hw

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