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Bryan,

The jar option does not handle huge files until JDK1.7 which means that must be supported on the i5 and on the destined Windows server.
Unfortunately, we have no immediate plan to move from V6R1 to V7R1.
On 1st attempt, the port of p7zip seems viable.

Peter

-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of bryan dietz
Sent: Wednesday, 19 March 2014 9:51 a.m.
To: Midrange Systems Technical Discussion
Subject: Re: gzip for V6R1 that supports large files

this shell script uses the java jar utility to zip up IFS files.

http://public.dhe.ibm.com/services/us/igsc/cs2/shellScripts/zip

I like as it takes the guessing out of the options.

--
Bryan


On Tue, Mar 18, 2014 at 1:06 PM, bryan dietz <bdietz400@xxxxxxxxx> wrote:

I found the ISO for the V5R4 Java options 10 and 11 here:
http://public.dhe.ibm.com/services/us/igsc/cta/java/images/

Java6

--
Bryan


On Mon, Mar 17, 2014 at 7:23 AM, <rob@xxxxxxxxx> wrote:

I know that with V5R4 there were only so many versions of Java that
were shipped on media. There was one more that was available via ESS
that was not shipped out on the installation media.

Perhaps 6.1 is the same way?


Rob Berendt
--
IBM Certified System Administrator - IBM i 6.1 Group Dekko Dept 1600
Mail to: 2505 Dekko Drive
Garrett, IN 46738
Ship to: Dock 108
6928N 400E
Kendallville, IN 46755
http://www.dekko.com





From: Peter Connell <Peter.Connell@xxxxxxxxxx>
To: "MIDRANGE-L@xxxxxxxxxxxx" <MIDRANGE-L@xxxxxxxxxxxx>
Date: 03/17/2014 05:19 AM
Subject: gzip for V6R1 that supports large files
Sent by: midrange-l-bounces@xxxxxxxxxxxx



I'm on V6R1 and I'm zipping via QShell using an old version of the
zip command from INFO-zip but it croaks on files > 2Gb so I split the
files first then FTP them to a Windows Server where I join them back
together after unzipping them.

I've heard that JDK 1.7 supports unlimited sizes when compressing via
the jar command. I have confirmed that JDK1.7 on Windows successfully
extracts large files from a jar file but my i5/OS is V6R1 and it
appears that
JDK1.7 is not supported until V7R1.

I've also read that more recent versions of gzip use ustar headers
that support at least 8Gb. However, my file is 80Gb so does anyone
know of a version of gzip that does not suffer from a size limit and
if so, where can I get a binary version that can run directly on i5.

I thought I had cracked it by writing an RPGLE that writes a large
file to STDOUT and then used QShell system command to call the
program and pipe it into the zip command. This appeared to result in
the entire large file being zipped but the Windows machine failed
because it found a mismatch between size attributes stored in the zip file.

Any other ideas would be appreciated.

Peter





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