W dniu 18.03.2021 o 04:51, Ed Jaffe pisze:
On 3/17/2021 7:24 PM, Jim Mulder wrote:
Several years ago I was helping the COD folks with some
problem with using the Operating System Messages console when
IPLing standalone ICKDSF from DVD. I needed a DVD so I could
reproduce the problem on a test machine, and asked how to create one.
They told me that they have some tool or process for creating the .iso
files to put on the DVD for standalone ICKDSF and standalone
DSS, but they don't document how to do it. I think they ended up just
shipping me a COD package so that I would have the DVDs.
What does COD stand for? How does a lowly customer/ISV get this thing?
COD in this context means Customized Offering Driver. In simple English
it is z/OS system crippled to do the only thing: IPL and run ServerPac
Installation Dialog.
In the old days COD was delivered on tapes, however the procedure to use
it was quite similiar: first you have to install it!
1. IPL standalone program from tape or DVD. Currently it i DSS. In the
old days you had to start with ICKDSF.
2. Restore 3 volume images from tape/DVD to DASD. Caution: your IODF
should conform to (documented) IODF delivered as COD part.
3. IPL COD from DASD.
Actually I have used it once, in 1999, it was OS/390 V2R6. And to be
honest I don't remember to much, especially I had no experience at the
time...
Answering your second question: COD is completely not applicable,
however another question: "how can I prepare similar standalone tool
IPLable from HMC" - the answer is "it is not documented". IT IS A SHAME!
However look at FDRINNOVATION (now BMC) FDR family of products - they
provide a way to create standalone restore. And Jan Jaegers ZZSA - it is
another tool using this method. And Linux. Important: Linux is open source.
--
Radoslaw Skorupka
(looking for new job)
Lodz, Poland
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