Alan,
Few months ago, our network people found that FTP in binary( during
peak time) are 4 time faster than ASCII to Unix servers.
Last week I took a look at the vsftp source and modify the source to
accept "type e" and let Linux do the translation to EBCDIC.
This Sunday, I send the CMSNUC MAP in "type a", "type e" and "type
I". And found there is no difference in CPU usage and the time
it takes to complete.
Is there any benefit of having the non-IBM platform to do the
EBCDIC translation?
Alan Altmark
<[EMAIL PROTECTED]
ibm.com> To
Sent by: Linux [email protected]
on 390 Port cc
<[EMAIL PROTECTED]
IST.EDU> Subject
Re: FTP on the mainframe
04/30/2007
04:41 PM
Please respond to
Linux on 390 Port
<[EMAIL PROTECTED]
IST.EDU>
On Monday, 04/30/2007 at 04:30 AST, Eddie Chen <[EMAIL PROTECTED]> wrote:
> I have question on the "type e" command.
> if the client(z/VM) issue the "type E", does the FTP client on the
> z/VM perform the EBCDIC to EBCDIC translate and append '\n"
> or just append the '\n' at end of record.
With "type e", there is no translation. If you are using stream mode
(mode s), then \n (0x15, IIRC) is inserted at the end of each record. If
you are using block mode (mode b), then LRECL/BLKSIZE data is transferred
with each logical record and \n is not used.
If you use the subcommand "ebcdic", the "type e" and "mode b" subcommands
will be issued for you.
Alan Altmark
z/VM Development
IBM Endicott
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