Rob, we had a similar problem back in the middle of Dec. 2016.  It was on a new 
HMC that came with a z13s that we had installed in the summer of 2016.  We 
opened a ticket with IBM.  They replaced it and that fixed it.
Steve


-----Original Message-----
From: Linux on 390 Port [mailto:[email protected]] On Behalf Of Hamilton, 
Robert
Sent: Thursday, January 12, 2017 10:42 AM
To: [email protected]
Subject: Re: Having trouble getting started.

We had a CE/FE/SE/someotherE-guy in this weekend to replace a PDU in our z114, 
and had him check out this problem with the HMC optical drive while he was 
here. He said, in short, whatever media we were using, it wasn't formatted for 
the HMC.

I went out this week and cleaned out my local MicroCenter for DVD-RAM disks 
(-2-). I formatted one with a label on my PC (ASUS USB-connected DVD burner; it 
says it handles DVD-RAM in its specs) and attempted to copy to it, but...no go.

I reformatted it without a label, reformatted it as empty...nothing would allow 
me to write to it.

So I went to the HMC and attempted to format it with the Format Media tool, 
and...HMC said it couldn't find any media in the drive. I flipped it over to 
the B-side...and got the same result. 

So I took the disk I hadn't done ANYTHING to, and tried to format it, or access 
it, or IPL from it...nothing was able to see the media in the drive.

These DVD-RAM disks, btw, are Verbatim 4.7 GB per side, double-sided disks, for 
a total of 9.4GB, 3x/2x speed, whatever. None of the Format Media options that 
I tried worked; all said they couldn't see anything in the DVD drive.

Is it time to open a hardware ticket?


R;

Rob Hamilton
Sr. System Engineer
Chemical Abstracts Service
A division of the American Chemical Society


>-----Original Message-----
>From: Linux on 390 Port [mailto:[email protected]] On Behalf Of 
>Mark Post
>Sent: Friday, January 6, 2017 3:08 PM
>To: [email protected]
>Subject: Re: Having trouble getting started.
>
>>>> On 1/6/2017 at 02:06 PM, "Hamilton, Robert" <[email protected]>
>wrote:
>> Here's a funny thing. The documentation everywhere for the HMC, 
>> including the service guide, says, specifically, DVD-RAM media, 
>> DVD-RAM drive, DVD-RAM everything. That's a different disk style from 
>> the disk I actually burned, which is DVD+R DL. I can't actually tell 
>> what the
>SUSE media is that I have.
>> Bottom line....they're both ISO 9660. According to my laptop.
>> Any chance that's the real problem here, that I don't have the right 
>> format media???
>
>Well, I don't really think so.  We've used locally burned DVD media in 
>our HMC with success, and we didn't go trying to find DVD-RAM media.
>
>It might be that the Dual Layer (DL) aspect of the media you used is 
>having some impact, but I'm not sure.  You could try re-burning the ISO 
>image on "normal" DVD+R media to see if that changes anything.  (Or at 
>least burn it again in a DVD writer that is _not_ capable of DL 
>writing.)
>
>
>Mark Post
>
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