Re: Disk drive types: 59C9, 59E1, 5B13

Oh Jim, you know I'm not up on all that new fangled partition profile gimcrackery!  You and your fancy electrified lamps and horseless carriages.

Seriously, I've been doing all of this via green screen so far, in large part because I rarely use the HMC, which if I'm not mistaken is where things like partition profiles reside.  I've been using DSPHDWRSC to dump things to files and pull them into Excel, which makes it very easy to compare apples to apples.  I'm not sure I can do the same with the HMC and honestly have yet to invest enough time to find out.

But I suppose I'll need to know some of this stuff.  Let me go grab a sarsaparilla from the ice box and I'll start looking into it...



On 12/18/2018 10:19 AM, Jim Oberholtzer wrote:

Yes the serial number will be unique. In the case of a virtual device, the Serial number will be unique, however in the scenarios you present not worth the effort to find.

I think you are making this too hard. If you want to know what drives are attached to the partitions, start with the partition profile and find the DASD controller assigned to that partition (in the case of a physical partition). The drives attached to that controller are assigned to that partition. Done.

In the case of virtualization, then you need to look at the partition hosting the partition. That will have virtual disk units assigned to the virtual partition. Those virtual drives are getting their storage from that partition, so now you know the source of the virtual ones.


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Jim Oberholtzer
Agile Technology Architects

-----Original Message-----
From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxx> On Behalf Of Joe Pluta
Sent: Tuesday, December 18, 2018 9:51 AM
To: midrange-l@xxxxxxxxxxxx
Subject: Re: Disk drive types: 59C9, 59E1, 5B13

But the serial number is unique, right? I should be able to use the serial number to uniquely identify a specific physical disk drive. Then I can figure out which ones are assigned to which partition and move from there.


On 12/18/2018 9:47 AM, Jim Oberholtzer wrote:

Not to worry. Each partition will name its disk units (regardless of type) so between partitions you will see duplicates. They are not the same device!

You'll most likely see DMP001 through DMP006 at least on every partition.


--
Jim Oberholtzer
Agile Technology Architects

-----Original Message-----
From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxx> On Behalf Of Joe
Pluta
Sent: Tuesday, December 18, 2018 9:22 AM
To: midrange-l@xxxxxxxxxxxx
Subject: Re: Disk drive types: 59C9, 59E1, 5B13

Thanks, Jim!

Additional note, I have a third partition on the primary box, and it, too, has a DMP001 resource, with yet a third disk drive serial number. So I have DMP001 on all three of my partitions, one in Not detected state and the other two in Operational, and each one reports a different serial number.

So at the end of the day, I think it's time to get an inventory of disk drives by serial number and see which one is assigned to which partition. That seems like a reasonable starting point. Is there a list somewhere for those suffixes? I see -050, -099 and -109. I can go into SST when I get a chance to figure out my RAID settings, but the suffixes seem to be a good shortcut.

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