SSH Tectia 
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    About This Document >>
    Installing SSH Tectia Server for IBM z/OS >>
    Getting Started with SSH Tectia Server for IBM z/OS >>
    Configuring the Server >>
    Authentication >>
    System Administration >>
    File Transfer Using SFTP >>
        Creating a User for Batch File Transfers
        Controlling File Transfer>>
            Handling Prematurely Ending File Transfers
            Controlling Staging during File Transfers
    Secure File Transfer Using Transparent FTP Security >>
    Tunneling >>
    Troubleshooting SSH Tectia Server for IBM z/OS >>
    Man Pages and Default Configuration Files >>
    Log Messages >>

Controlling Staging during File Transfers

It is possible to change staging behavior in SSH Tectia server on z/OS. You can specify the --attribute=staging option with sft-server-g3 in the sshd2_config file:

subsystem-sftp   /opt/tectia/libexec/sft-server-g3 --attribute=staging:NO

When staging is set to NO, staging is not used if not explicitly requested by the client.

When staging is set to YES (default), staging is used when needed.

Third party file transfer clients can request staging with the following file transfer advice string:

/ftadv:staging=yes/

or in short:

/ftadv:s=yes/

If the file transfer client uses SFTP protocol for transferring the file and accesses the file or dataset in correct order, staging is not needed. However, if the client accesses file data in random offsets, staging is necessary when datasets are involved or conversions are used.

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