I don't know about you, but if they want to use my name and face, I expect
them to rent it by the hour.
I don't know about you, but I would not give up my sysprog job ... ;-)
The weirder you're going to behave, the more normal you should look. It works
in reverse, too.
When I see a kid
You may want to read this.
http://www.theregister.co.uk/2011/08/11/linkedin_privacy_stuff_up/
I don't know about you, but if they want to use my name and face, I expect them
to rent it by the hour.
You will need spool space, so you might as well copy it (or keep a small spool
area available only with the NSS files, JUST for DR).
Time to resubmit that requirement for disk support for SPXTAPE.
Note that CP FLASHCOPY has a LABEL option to let copy the disk and change
the label in a single operation. If the target volumes have been PRE-labeled,
you can use the SAVELABEL option.
Do you happen to know if that requires a specific level of the flashcopy
firmware, or is it done in CP? I
SIGNAL SHUTDOWN (if configured in the Linux guest) will run the equivalent of
shutdown -h now, so as long as you provide the Linux guest time enough to
execute a normal shutdown, it's safe to do that. 90 seconds may not be enough
time - do a test shutdown manually to determine a rough idea of
Has the VM Workshop replaced WAVV?
Jim
That's an open question. WAVV is still going to happen this year, but with
Bernie Pugh gone, the future of WAVV is kind of uncertain. The WAVV admin list
has been mucho silent recently.
-- db
University of Wisconsin would be a good choice for next year... Strong VM ties
(TCP/IP) there too.
Madison is one of my favorite places in the US, but it tends to be hard to get
to cheaply (cheap is a big factor for Workshop). Current discussion has
University of Kentucky as top candidate,
Now *that* is cool.
Because I wanted the most accurate clock yet least expensive clock I coul d
get, I built my own GPS clock and use the pulse-per-second (PPS) signal w ith
GPSD to build my own NPTD stratum zero time source that gives my system
super accurate time.
How come Z hardware
Yes, it does seem like very odd install location (/var!) and will probably
require us to add space to every server (grr). How can something that does
so little take so much!
I'd apar that. There's no excuse for code in /var. Data maybe, but not code.
C'mon IBM. There's conventions for this
however there are two files that are
placed in /etc (tlmagent.ini and tlmlog.properties).
Ditto here -- c'mon, IBM. /etc/tlm, not just dumping them in /etc.
I'll also point out that Monsieur Martin hosted another of the better workshops
Back In The Day. The Bates Mountain Inn in Fayetteville has a niche all its own
in the Workshop sagas As does getting mooned by the locals while riding on
a steam train to Rudy, BFE, Arkansas.
You had to be
Starting the z196 GA2 upgrade and the z114:
o The SE BOC will sync to the CEC TOD once an hour instead of once a day,
improving CEC TOD accuracy after POR.
o The SE BOC will be steered the match the CEC TOD instead of making large
jumps, avoiding a Paradox that could destroy the universe.
o
I'd love to have been a fly on the wall in the Board meeting when they
decided how to reconcile this session with the no headhunting at SHARE
rule they always had.
Probably just put it in PDEV and didn't really sweat it, I'd guess. Learning
how to write a useful resume isn't really
For those of you who didn't make it you missed a great time. Great food,
interesting people, a lot of hallway what if we did this? conversations, and
general good fun all around. Best $100 I've spent all year.
We're going to do it again next year, site TBD, but definitely gonna happen.
Only on days whose names end in y.
On 7/24/2011 at 02:38 AM, David Boyes dbo...@sinenomine.net
wrote:
I have a rather twisted sense of humor some times.
SOME times?
No. You'd need our sftp client for that. The native client does ftps, not sftp.
On Jul 25, 2011, at 11:32, Davis, Larry (National VM/VSE Capability)
larry.dav...@hp.com wrote:
Does the FTP Client in VM allow you to transfer to a SFTP site and if so is
there a redbook on this process
The “Shimon doc”? Sounds impressive! I like it.
But perhaps even better: The Shimon Protocol
That sounds more formal, and a lot like a Robert Ludlum book title! ☺
Or, given the big movie premier recently: “The Shimon Protocol and the
IODEF of Fire”
Mike Walter
The Protocols of the
You can use only the two chpids to connect all the partitions. Use the Shimon
doc to design all the conections.
With FICON, no need to define Chpids as CNC/CTC, all must be FC. And the
Control Units and IODEVICE can be FCTC.
If someone will give me the updates, I’ll reformat the paper and
On a standard RSCS install, where do PPS EXEC and PPS XEDIT land?
-- db
Thanks, Alan.
I'm getting some annoying issues with RSCS printing to printers using the CUPS
PostScript conversion (to non-PS datastreams). The separator page prints OK
some of the time, and aborts about half-way into the page the rest of the time
(and the job totally fails).
From the CUPS
Replied by (mine, not so good) memory, see the IOCP manuals for details... ;-)
__
Clovis
Shimon Lebowitz wrote a very nice paper on how to do this with ESCON channels;
the FICON configuration is less complicated, but Shimon covers that discussion
On the 196 we have access to, we're running Centos 4.4 through 4.8 guests,
which is pretty much functionally equivalent, so I think as long as you're not
running them in LPARs, you should be fine.
From: The IBM z/VM Operating System [mailto:IBMVM@LISTSERV.UARK.EDU] On Behalf
Of Martin, Terry
http://www.theregister.co.uk/2011/07/14/brief_history_of_virtualisation_part_2/
Somebody who actually gets it that there was a world before the PC. Few minor
nits, but overall an actually decent article on the role VM played in
prefiguring virtualization before VMWare. Recommended reading for
Hum. I'd never noticed that. THANKS.
-- db
DISKACNT profile exec is the same for EREP and OPERSYMP. These 3 machines uses
the same copy, by default ...
Regards,
__
Clovis
It definitely was at one point. That's why travel agents call it a record
locator.
From: The IBM z/VM Operating System [mailto:IBMVM@LISTSERV.UARK.EDU] On Behalf
Of Phil Smith III
Sent: Monday, July 11, 2011 12:46 PM
To: IBMVM@LISTSERV.UARK.EDU
Subject: TPF and PAX numbers
A long, long time
Fat fingered a ERASE command and nuked the PROFILE EXEC on a brand new system
(before I had VM:Backup configured). Anywhere I can get a copy of the file?
Very simple way: set up a small Linux instance and install Nagios on it.
Configure a FTP probe in Nagios, and configure a notification to a user on the
VM system. The Nagios system will test the FTP server by connecting and
attempting to transfer a small file periodically. If it fails, it sends
Depending on how the FTP server fails, you might also see it in your
performance monitor...
Also true. OTOH, there are failure modes (such as the one Colin mentioned about
getting unhappy with a minidisk) that won't show up in the console log or will
show misleading symptoms (large buffer
David, I am afraid we are in lock down here (essential maintenance only) so no
chance of installing a new LINUX server. However, I could use your idea from an
existing hartbeat server between VM systems.
World work, I'd think. That'd also catch the socket timeout delay problem
if/when you
been wearing your Linux appliance hat too long. Much lighter-weight would be a
few lines of Rexx with or without Romney's FTP package, running periodically as
a task in your automation solution or a standalone (CMS) VSM.
Perhaps. OTOH, up and usefully running in less than 10 minutes with no
Don't know if you all saw this.
I was hoping that when IBM bought them, they might enhance the VM
product. Instead, they killed it. Sigh.
Figures. That VSAM thing is the killer prereq -- everything that started life
on MVS requires it as a prereq, and thus is doomed to destruction.
As I mentioned back in 2009 (what? you don't remember?), CMS still
supports the Alternate VSAM Emulator added in 1985. It was specifically
invented to enable Something Else to get control when VSAM macros were
used. SQL/DS exploited it back in the day, if memory serves, but I don't
know if
However, the Mayan calendar may be a better model.
Right, sure. It hasn't had a chance to be wrong... yet. Somewhere (the
'net?) I happened across an article by a well-respected researcher, stating
that the Mayan calendar continues on just fine. We'll see... maybe the
Mayan guy's chisel
There used to be a VMWKSHP list at Marist. Dunno if it's still active.
You will not find any published information on the mechanism.
There is a tiny amount of information in the POP manual in the external
interrupt section on the original LPAR deactivation signal and what's supposed
to happen when it triggers, but the end comment is that the effect will be
That is genuinely cool. Can we write your bosses a thank you letter?
From: The IBM z/VM Operating System [mailto:IBMVM@LISTSERV.UARK.EDU] On Behalf
Of Jonathan Quay
Sent: Monday, June 27, 2011 7:31 AM
To: IBMVM@LISTSERV.UARK.EDU
Subject: Re: Last Workshop Re: VM Workshop - Session Grid Now
Does anyone else think this should be considered a defect?
I do! I do! Sadly, that doesn't mean much.
Me too. No program product should be permitted to interfere with a clean
shutdown of the system as a whole.
As pointed out by Kris on prior occasions, you can use UCOMDIR NAMES to
As a follow-up to this (for those interested), this turned out to be a
hardware problem. The HMC's hard drive had crashed and communications
was totally messed up. The CE promptly got things under control
Suddenly I had a flash of the scene in Monty Python's Life of Brian after
Brian
May a rusty old geezer attend? I retired 19+ years ago and have not had an
opportunity to use VM or a mainframe since. However, during my VM days I had
the opportunity to attend most VM Workshops as well as most Share meetings and
I really miss those days. Are there any VMers from the
Drat. Now I'll have to go swap my investments somewhere else that has people I
can trust working for them.
Wish someone had leaked the info early; you deserve a retirement book.
Best wishes - you've always been a great test of an idea at scale. Hope you
have something fun and interesting
*** Received device 0181, a 3590-11 which is empty or not ready. write-enabled,
and positioned at load point.
*** Return code 32 attempting to obtain VOL1 label.
*** TAPE DVOL1 replied: DMSP2C431E TAP1(181) VOL1 label missing
You gave it a unlabeled tape. BRM expects IBM SL tapes. You need to
1) This is the default value for Operator_Consoles in the SYSTEM CONFIG file
(and probably most shops do not delete or change the last two entries):
Operator_Consoles 0020 0021 0022 0023 0E20 0E21 1020 ,
System_3270 System_Console
As I understand it, the Operating System
There's no reason why CP could not issue TERM CONMODE 3270, as Linux
does
when instructed to use a 3270 console. Even CMS issues TERM CONMODE
3215
when it IPLs.
I mean, really, mom... all the cool OSes do itwhine
8-)
-- db
PS- it's been one of those days. Laugh it up.
On 6/14/11 12:03 PM, David Boyes dbo...@sinenomine.net wrote:
I suspect that it would be possible to tweak the page device list in real
storage to remove the volume in question, run the CP page list in real
core and force a page in/page out sequence for pages on the volume in
question
On 6/14/11 1:20 PM, Schuh, Richard rsc...@visa.com wrote:
An absolute prereq, not just a safety one. If it is not already draining,
then there would be nothing to prevent new pages from being written on
the device.
Yeah. Playing with it on the whiteboard indicated that. Probably the only
safe
On 6/14/11 1:45 PM, Alan Altmark alan_altm...@us.ibm.com wrote:
And now you know why DRAIN MIGRATE doesn't exist. :-)
Although SNAPDUMP does something awfully similar in concept -- there's
probably some thinking that could be borrowed there. Doing the same kind
of system suspend might be the
On Jun 6, 2011, at 10:53 AM, Mark Lorenc
mlor...@us.ibm.commailto:mlor...@us.ibm.com wrote:
My impression is there is not much use of that function, but I would like
to
find out for sure if there is. Feel free to contact me offline:
mlor...@us.ibm.commailto:mlor...@us.ibm.com
Rarely, as it
The Unified Resource Manager's Storage Administrator function includes
the
ability exporting the WWPN configuration and importing an access list
based on it. (Sorry, I haven't personally used it, yet, so I can't
comment further.)
Yes, it can. It's pretty much useless. Trouble is, none of
We want write a REXX EXEC , that do a Update in place.
Another words, I need, read the record 1 from the file, and then
rewrite
the
same record.
Is possible?
In addition to reading the manuals that Alan suggested, you should look for the
RXFILEIO package on the VMWorkshop tapes. It
The bogosity index is extremeloy high on this one.
But it's certainly a common one. I can think of at least a dozen sites that
have heard this requirement from IBMers. I've always thought the proper
solution to this was to add a badge reader to the HMC to allow IBMers to enable
these ids
users in the SMTP config for such
things).
From: David Boyes
Sent: Tuesday, May 24, 2011 10:57 PM
To: IBMVM@LISTSERV.UARK.EDU
Subject: RE: Short circuit SMTP
Change the DNS servers in the stack pointed to by VM SMTP (the NSINTERADDR
lines) to some IP address that does not have a DNS server
Change the DNS servers in the stack pointed to by VM SMTP (the NSINTERADDR
lines) to some IP address that does not have a DNS server running. SMTP will
receive the messages, queue them, but not deliver anything because nothing can
be resolved.
This assumes you don't have a DNS lookup enabled
As you can imagine, the 72 characters per line restriction is a
problem.
Has anybody else found a way to automate the conversion that they can
share? As mentioned in another thread, I do have THE and REXX on my
Linux which could be used.
If you have Emacs installed on your Linux, look at the
So with that being said, it appears the optics are the problem?
That's certainly the first problem to kill.
Do you
agr=
ee that there is no such thing as long wave on open system switches?
It's rare for open systems (mostly appears in geo-plex-like situations), but it
certainly does
Are these layer 2 or layer 3? If layer 2, then they are (and should be) paying
zero attention to the IP address. Layer 2 cares only about MAC addresses.
Layer 3 is more subtle. Technically a real switch should attempt only to insert
the address in the forwarding table and then the latest entry
The situation is that the IPs were registered on one VSWITCH, and passed on to
real switches in the external network. Later, another host registered the same
IPs on a different VSWITCH, which failed to pass them on to the external
network (rejected because they were dups). The 2nd VSWITCH
You need the High Level Assembler product (extra cost) or the Dignus assembler
(also extra cost) to build the module. The MACLIB statements are documented in
the discussion of the exit. The old F-level ASSEMBLE command cannot build
current CP modules correctly.
There's also adding your support to the outstanding requirement for SPXTAPE to
support disk transfer (or better yet, a PIPE-friendly input/output stream so we
can connect it with anything we want). Your local IBMer can get your
organization on the list as supporting the requirement. Doesn't
Optimal use of personnel
Efficient overcommitment of resources
Conservation of limited LPAR resource (even on the biggest boxes, you can only
have so many)
Network efficiency and redundancy
Built in automation function (PROP)
Rapid recovery using standard tools (ADRDSSU lets you put the whole
Speaking of which, IBM:
Any progress on getting the PIPE-friendly DDR shipped as the default DDR? That
would be *WAY* cool for 6.2
-- db
-Original Message-
From: David Boyes
Sent: Thursday, April 21, 2011 1:43 PM
To: IBMVM@LISTSERV.UARK.EDU
Subject: RE: Tapeless segment
If the 191 is only used at Linux boot, you can change the directory entry and
then login to the VM userid running the Linux system and:
BEGIN (if you get a CP READ)
#CP DET 191
#CP LINK * 191 191 MR
#CP DISC
(assuming your LINEND char is #)
If you are actually using the disk during runtime,
Ok I got it. Before I contacted the list I had tried doing the '#CP REL A
(DET' from the guest.
It did not take saying it was unknown command sort of what you get when you
are issuing a command
that the user's class does not allow. So I thought that the user did not have
authority to do
Check the amount of paging space you have defined for the VM system. You can
define a virtual machine far bigger than you can actually use if you have
insufficient paging space. The guest will work for a while, until it tries to
access a page that can't be supported with backing store, and you
Check the amount of paging space you have defined for the VM system.
Is this a brand new VM install right out of the box? If so, then this is most
likely to be the problem. 48G of real, plus the default paging areas in a brand
new VM install add up to just about 52G or so, depending on whether
What model of CEC? If it's a z10 or a z196, it might be some of the
power-saving features kicking in. That message can also occur if
capacity-on-demand has modified the system capability (although it's usually
rare to see it on a IFL).
From: The IBM z/VM Operating System
However, I don't think my question(s) were answered in that RED alert
unless it describes to me how best to backout ptfs applied.
Call the support center is the best answer. Those folks actually understand SES
well enough to tell you how to do it without screwing things up. If you don't
I will miss all the friends I made over the last 45 years.
Good night, sweet prince,
and angels sing thee to thy rest. - Hamlet.
Keep in touch.
-- db
I've used a variation of this technique for many years as well. It works well
for both DIRMAINT and VM:Secure/VM:Direct. This also makes sure that the user
management product is internally consistent and at current release data formats
at all times.
From: The IBM z/VM Operating System
For C/C++, COBOL, and PL/I that is true on z/VM also. We ship the LE runtime
libraries for these as part of the z/VM base. The ancient FORTRAN product for
z/VM is not LE-enabled.
Wonder what it would take to get the REXX compiler so enabled? I guess we have
to be careful what we wish for,
Come to the Dark Side. We have cookies.
*grin*
-- db
From: The IBM z/VM Operating System [mailto:IBMVM@LISTSERV.UARK.EDU] On Behalf
Of Bill Munson
Sent: Thursday, April 14, 2011 11:14 AM
To: IBMVM@LISTSERV.UARK.EDU
Subject: Re: z/VM user group in RTP, NC?
The closest one I know of is in
One thing that HP does for VMS is ship all the runtime libraries for all their
compilers (even the weird ones like BLISS and PROLOG) as part of the base OS.
That way ISV vendors (or the base OS vendor) don't have this kind of problem.
Paying to create, free to use always seemed like a good
I'm sure it's an improvement in blade server
management but it's not like they announced an IFW...
Which is already available. 8-)
-- db
On Tuesday, 04/12/2011 at 12:17 EDT, David L. Craig d...@radix.net
wrote:
Now we get to wait for the announcements of licensing and support
fees
for all the various software available for this platform. That has
the potential to take the bloom off the rose.
IBM is forthright in saying
My point was that the pricing model
should
not be *different*.
Other parts of IBM clearly did NOT get that memo. But, I see your point.
Simple. :-)
As Pain in Hercules would put it: If. If is good.
--d b
On 4/11/11 9:29 AM, Bob Bates robert.ba...@wellsfargo.com wrote:
If one gets the PSP buckets and put them on at the same time as the RSU,
as one should, wouldn't it always show the ++?
Yes, but that's as it should. RSU is the basic level set of service
level, and if you add the PSP bucket on top
On 4/11/11 11:54 AM, Schuh, Richard rsc...@visa.com wrote:
That would be nice. It ought to also have a way to answer Marcy's
question, Has PTF xxx been applied to the system (or, perhaps, to a
specified module)? without having to wade through a list of the universe
of PTFs.
PIPE COMMAND SERVICE
What I would like:
1) a flag for the output of Q CPLEVEL that indicates that additional service
beyond the displayed level has been applied. Something like 8801++.
Applying the next RSU would reset the flag until the next PTF outside the RSU
is applied.
2) a new option to SERVICE that does
Did they check firewall configuration on the Windows boxes? The default
settings for the Windows firewalls don't permit FTP.
Have a look at XCOL from the vm download library. You could probably use that
as a starting place.
From: The IBM z/VM Operating System [mailto:IBMVM@LISTSERV.UARK.EDU] On Behalf
Of Tom Huegel
Sent: Thursday, April 07, 2011 9:50 AM
To: IBMVM@LISTSERV.UARK.EDU
Subject: Re: XEDIT question
Yes I
Right, but unless I'm mistaken, z/VM workload
is GP only. The Linux workload is IFL only (or should be).
There's nothing in the code that cares what kind of processor it runs on.
There are licensing issues with CMS workload (and running VSE and z/OS
guests) in that it's really expensive to run
If you are using a VSWITCH with a trunk port on the physical switch, you are
already doing 802.1q trunking between VM and the network. CP is doing it for
you.
Why in heaven's name do they want the Linux guests doing .1q trunking? That's a
recipie for VLAN jumping, which they will have fits
Explicitly code it. If you are using TA=0, then streams MUST be 1. If you are
using TA=1, you have to spell out all 7 streams.
=YES STREAMS=7 TA=1 BUFF=3976
From: The IBM z/VM Operating System [mailto:IBMVM@LISTSERV.UARK.EDU] On Behalf
Of David Boyes
Sent: Thursday, March 24, 2011 1:20 PM
To: IBMVM@LISTSERV.UARK.EDU
Subject: Re: RSCS Problem - return code=- 1 error number=54 (Connection reset
by peer)
Explicitly code
There's two kinds of monitors: things that happen all the time that you
periodically want to take a sample to get a sense of what's going on (like CPU
usage), and things that don't happen all the time but post specific events when
they DO happen. These events are usually things you'd want to
Dale's VERPASS code is available for download from
http://download.sinenomine.net/community/zvm/dale-smith/
Tom Huegel's Japan pictures have moved to
http://download.sinenomine.net/community/zvm/tom-huegel/
If anyone has useful VM-related goodies, please let me know and we'd be happy
to
This appliance can connect to a VSWITCH?
Yes. It will tolerate both layer 2 and layer 3 VSWITCHes.
And how will my
SMTP talk to it? Over CTC? HS?
What we suggest for front-ending these older VM TCP services is that you get
another IP address from your networking folks (just one is
All that brings a subsidiary question : is it important to preserve the
machine xc
in the VMSERVx directories (I should read the doc I think...) ?
You need the XC mode setting if you want SFS to use VM dataspaces to map parts
of the data into memory (which would be consistent with the
Tom, if you'll send them to me, I'll put them out on the WWW download site here.
From: The IBM z/VM Operating System [mailto:IBMVM@LISTSERV.UARK.EDU] On Behalf
Of Carroll, William D
Sent: Thursday, March 17, 2011 3:20 PM
To: IBMVM@LISTSERV.UARK.EDU
Subject: Re: A Data Center near Tokyo Japan
Wasn't the original poster trying to do this with virtual disk(s)? And
if that's the case it has a high potential of being in memory anyway?
Or did I miss something.
Steve
In this case, it probably doesn't matter at all, but that's the reason the XC
mode setting is in the VMSERVx directory
Tom's pictures are available at
http://download.sinenomine.net/thugel-japan-pics/
I put both his original PPT file and a PDF version up.
All I can say is: wow. You guys got REALLY lucky.
--db
Knowing a fair amount about that facility, the infrastructure issues are quite
real, particularly the cooling issues during the summer. There were several
incidents last summer when a fair number of the discrete and blade chassis went
into thermal shutdown due to heat zones exceeding 95-110
On 3/10/11 12:59 PM, Alan Altmark alan_altm...@us.ibm.com wrote:
I was going to mention that as a solution, but I would suggest that
Shimon
first take the issue to his network people and let them decide what they
want to do. If their answer is to use a relay and they want it on
zLinux,
then
I hope this is not based on a very new linux. I see that the new
ones cannot run on my somewhat antiquated z890.
It should work fine on a z890 (it was built on a 7060-H70 and tested on a z800,
so it should be OK). Give me a few days to package it up and put it somewhere
for you. It can also
Order PTF UV97540 and you will got lastest RSU for z/VM 5.4. (1008)
This is good advice and gets you most of the way. Since RSUs are collections of
recommended service made at a specific point in time, make sure you also order
the PSP bucket for that RSU to catch anything after the RSU date
SPOOL PUN TO RSCS
TAG DEV PUN zos SYSTEM
PUNCH fn ft fm ( NOH
Explanation:
SP PUN TO RSCS sets the destination of the PUNCH command on the VM side. RSCS
knows to look at the tag data of the incoming files to decide what to do with
them. TAG DEV PUN zos SYSTEM sets the tag data destination
Alternatively, the TCPNJE add-on-extra to RSCS will allow submission through
NJE.
The user part of the process is the same, though. In both cases, the file has
to end up in RSCS' virtual reader; the transport between VM and z/OS is
transparent to that process.
If the z/OS system was
On 3/8/11 12:57 PM, Wandschneider, Scott
scott.wandschnei...@infocrossing.com wrote:
I have a SVM called VDISKS the creates and initializes a virtual lock
file for four VSE guest to use. After a short time, VDISKS is logged off
by the system. All is fine if at least one VSE remains logged on,
On 3/8/11 1:00 PM, Les Koehler vmr...@tampabay.rr.com wrote:
He didn't specify it was a job. That opens a whole new can of worms: JCL,
pswd etc.
Not the problem of the NJE transport. It's just got to get the file from
system A to system B. Content and payload correctness are left as an
exercise
On 3/8/11 1:27 PM, Ron Schmiedge ron.schmie...@gmail.com wrote:
IIRC, the TCPIP person who led me through this was musing that they
really should document how to do this in the manuals, since so many
people ask the same question. I have not gone to look at the recent
books.
Would be a nice
Use the VM SENDFILE command: SENDFILE fn ft fm TO user AT zos
On the z.OS side, use the TSO RECEIVE command to receive the file.
SENDFILE takes the original file and encodes it to fit into a series of 80 byte
cards, carrying enough metadata to reassemble the file in it's original form on
the
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