(actually - maybe the PIPEDDR DUMP/RESTORE over TCPIP is exactly what you
want?   if the zVM systems have connectivity, this lets you dump a disk
directly from one system to another - and will save you steps...)

Scott

On Thu, Oct 15, 2009 at 5:34 PM, Scott Rohling <scott.rohl...@gmail.com>wrote:

> Maybe try a COPYFILE (PACK of the output file instead of using VMARC?
> That way if you use F 1024 when FTPing to zVM, you can just COPYFILE (UNPACK
> it..   I'm just assuming you were using VMARC to help ensure the xfer was
> blocked correctly..   Using COPYFILE (PACK accomplishes the same thing.
> Just not sure how they compare on 'compression'...
>
> You might also look at PIPEDDR -- and the PACK option .. (available on the
> zVM download page.  google 'zvm download' to find it).
>
> Scott
>
>
> On Thu, Oct 15, 2009 at 5:18 PM, Henry, Bob <bob.he...@sungardhe.com>wrote:
>
>>  I was going to do that, but some of the MDs are VSE full volume disks.
>>
>>
>>
>> *From:* The IBM z/VM Operating System [mailto:ib...@listserv.uark.edu] *On
>> Behalf Of *Scott Rohling
>> *Sent:* Thursday, October 15, 2009 7:17 PM
>> *To:* IBMVM@LISTSERV.UARK.EDU
>> *Subject:* Re: CMSDDR & VMARC question
>>
>>
>>
>> Don't know about VMARC -- but CMSDDR is packing the entire minidisk -
>> empty space and all...    Why not just VMARC the files on the disk and
>> forget about CMSDDR?
>>
>> Scott
>>
>> On Thu, Oct 15, 2009 at 5:05 PM, Henry, Bob <bob.he...@sungardhe.com>
>> wrote:
>>
>> I’m using CMSDDR and VMARC to transfer some CMS minidisks via FTP.  Both
>> utilities seem to produce more output than the original data on the
>> minidisk(s). Here’s an example.
>>
>>
>>
>> User has 25 files (mostly COBOL source and/or JCL) in a 4 cylinder 3390
>> minidisk, blocked 4096. A “Q DISK” shows 76 blocks used, 644 blocks left.
>>
>> CMSDDR on that minidisk shows 2,957,040 bytes IN, 2,634,392 bytes OUT, 41
>> tracks not compacted. The output file from CMSDDR has 101 records of
>> LRECL=49152 using 644 blocks (size 4096).
>>
>> VMARC (of the CMSDDR output file) shows IN=2,634,392 and OUT=3,142,240. It
>> produces a file of 38,736 records with LRECL=80 using 757 blocks (size
>> 4096).
>>
>>
>>
>> Does anyone have any explanation why these utilities “grow” the amount of
>> data to be transmitted rather than “shrinking” it? Am I missing something?
>> I’m using just the default options for both programs.
>>
>>
>>
>> Any help would be appreciated.
>>
>>
>>
>
>

Reply via email to