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Status Future consideration
Workspace z/OS
Categories Communications Server
Created by Guest
Created on Jul 16, 2024

RELATED IDEAS

make z/OS FTP does support MLSD

z/OS FTP does not support MLSD, therefore, in Filzilla and other FTP clients, files with more than 99 exdents are not displayed in the file list, with MLSD this would be possible

Idea priority High
  • Guest
    Reply
    |     Jul 16, 2024

    FileZilla and other FTP clients have issue wih zOS data set file that is multi-volume with more then 99 extents, those FTP softwares is not able to display such files.

    In zOS example:

    - Enter "/" to select action Tracks %Used XT

    ----------------------------------------------------------------------

    GIAHON.M2T1.CSQBOTH 10277 100 322


    After Debug in FileZilla and following was found:

    2024-07-10 11:21:44 41104 1 Listing: Volume Unit Referred Ext Used Recfm Lrecl BlkSz Dsorg Dsname

    2024-07-10 11:21:44 41104 1 Listing: TR5023 3390 2024/07/10 14 427 VB 32756 32760 PS CSQBACK

    2024-07-10 11:21:44 41104 1 Listing: TR5022 3390 2024/07/10 ++ 491 VB 32756 32760 PS CSQBOTH


    So seems FileZilla could display only files with 99 Ext. and not with 999 or more.

    FileZilla answer was that IBM zOS FTP don't support the MLSD command, which uses a standardized format for directory listings, as specified in RFC 3659. https://datatracker.ietf.org/doc/html/rfc3659

    So we asked IBM to take it with next updates when is possible.

    Thank you in advance!


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