Luminex Virtual Blue 3990 is a box that has ESCON and FICON connectors
to the mainframe to supply ECKD volumes and FC for the data storage
device. http://www.clipper.com/research/TCG2003050.pdf

On Mon, Nov 9, 2015 at 1:28 AM, Connor Krukosky
<[email protected]> wrote:
> On 11/8/2015 9:11 PM, Timothy Sipples wrote:
>>
>> So let's explore this possibility.
>>
>> First of all, many congratulations on your $237 acquisition! You've got an
>> interesting machine, a machine that figured prominently in mainframe
>> history as the first genuinely "small" 64-bit mainframe -- though it may
>> not seem small in your basement. Here are a few details worth checking:
>
> Thanks!
>>
>> 1. Do you have any ESCON ports on your z890, or only FICON/FCP? If the
>> latter, you would have 2Gbps ports capable of fallback to 1Gbps. The IBM
>> DS6800 is a superb match if you're looking for a bit of FICON/ECKD
>> storage,
>> though make sure the DS6800 unit you find is actually ECKD. (Somebody on
>> this list just might have a DS6800 to donate.) If you have ESCON ports you
>> could also look at older ESCON-attached storage units or even possibly an
>> ESCON-to-FCP/SCSI converter.
>
> I do have ESCON ports as-well, two 16 port cards installed. ( I have 4 FICON
> cards for reference )
> I have looked into the DS6000 and DS6800, on eBay people are asking A LOT I
> have made some offers but I doubt I will get anything from there.
> The expansion units are worth almost nothing comparatively is the sad thing.
> But if someone here happened to have a 1750-511 or 1750-522 laying around
> and wouldn't mind letting it disappear I would be more than happy to pay for
> shipping.
> I have never heard of ESCON-to-FCP/SCSI converters.
> I've seen the FCP to SCSI boxes but they hook up via FICON and don't count
> as a proper DASD that say z/OS can see or use, they count as a SAN.
>>
>>
>> 2. The z890 was available with 1000BASE-T, Gigabit, and 10 Gigabit
>> Ethernet
>> -- and even Token-Ring. For your purposes having at least a couple
>> 1000BASE-T ports (Feature Code 1366) would be best, but the other ports
>> could be a bonus.
>
> I think I have the 1000BASE-T cards. I have 5 total cards but two of them
> were damaged due to some problems with thermal adhesive failing thus making
> the heat-sinks fall off the chips and when they fell to the bottom they got
> wedged when being removed and damaged the same chip in two different cards.
> I have re-applied thermal adhesive in the 3 cards that seemed ok and just
> set the other two aside for now. I currently set up the first port on the
> first card for OSA-ICC so I can use that for 3270s in the future when I get
> them configured, and setup the rest of the 5 ports for OSD so I can use them
> for standard networking.
>>
>>
>> 3. Is the 4th core on your z890 configured as an IFL, ICF, or zAAP by any
>> chance? If not, it's a spare to the three cores that are configured on
>> your
>> machine, and that's not bad either.
>
> As far as I know I don't think so, it may be an IFL or ICF, but I know its
> not configured as a zAAP as I was hoping it would be.
> I will have to check later and get back as to what it is.
>>
>>
>> 4. The z890 had anywhere from 8GB to 32GB of main memory. Do you know how
>> much yours has? Even the 8GB configuration should be fine for a personal
>> mainframe, but more might be fun if you want to run some memory intensive
>> home workloads.
>
> It only has 8GB, but I will probably keep an eye out on eBay in-case a
> larger module pops up.
>>
>>
>> 5. I suspect CP Assist (CPACF, Feature Code 3863) is installed, though
>> that's something to check. You can also check to see if any cryptographic
>> adapters are installed. There were three available for the z890: PCICA
>> (Feature Code 0862), PCIXCC (Feature Code 0868), and Crypto Express2
>> (Feature Code 0863). The last one would be the best. All operating systems
>> can take advantage of these features.
>
> I am pretty sure it is installed as when I double clicked on the CPC I
> remember seeing 'Cryptographic Feature: Installed' or the likes.
> I do not have any cryptographic adapters installed but I have seem them
> floating around so if I want to play with one I can probably find one on
> eBay for not too much if I'm lucky.
>
>>
>> 6. Do you have a HMC with DVD drive? If you don't, maybe that's another
>> item somebody on this list would know where to get.
>
> No it does not have a DVD drive, but I would assume its just a matter of
> finding a DVD drive for the T42, but also would the SE just realize its been
> installed? because as of now these options are grayed out when going to
> 'Boot from DVD or FTP'. But this isn't much of a problem anyway, I am quite
> honestly finding it much easier to be-able to just open the ISO on my
> desktop and using an FTP to boot since I can then just point the FTP to any
> ISO or directory to try new things out without having to burn a new disk or
> swap disks.
>>
>>
>> OK, now about z/OS. Your capacity model 320 machine is approximately 120
>> PCIs and exactly 20 MSUs according to IBM's LSPR tables. The z890 is
>> compatible with z/OS 1.13 but not 2.1 and above. (Version 2.2 is the
>> current release.) Last I checked (a couple years ago), if you're willing
>> to
>> set a defined capacity of 3 MSUs for a hypothetical z/OS LPAR on your
>> machine -- and you should be, especially if the z890 supports softcapping
>> that LPAR (can't remember offhand) -- in principle it's possible to
>> license
>> z/OS under standard commercial terms for about $125 per month for
>> authorized zNALC workloads. That would include the base z/OS operating
>> system, DFSMSdss and hsm, XL C/C++ compiler, SDSF, Security Server, and
>> RMF. Java 8 is still compatible with z/OS 1.13 and no additional charge,
>> and there are some other add-ons that are no additional charge. So maybe
>> "not crazy," or at least less crazy than you might have thought. If
>> somebody wants to subsidize that particular aspect of your hobby, that'd
>> be
>> helpful. (Maybe you want to port some open source software to z/OS 1.13
>> and
>> above?)
>
> Wow I will have to look into if I can soft cap the LPAR, there were quite a
> few config options for the LPAR so I may be-able to do so.
> I will definitely have to look into this as I didn't know it would start so
> cheap!
> Thanks for the info!
>>
>> By the way, if you want to test z/VM you can, assuming you have a
>> DVD-equipped HMC. The z/VM Version 5.3 Evaluation Edition is still
>> available:
>>
>> http://www.vm.ibm.com/eval/
>>
>> The documentation says it requires a z10 or higher. In fact the z/VM 5.3
>> Evaluation Edition *probably* works on earlier machines capable of
>> starting
>> from DVD, including the z890, though on pre-z10 machines the boot process
>> is *much* slower. Because of the slow boot, IBM never claimed that the
>> Evaluation Edition worked on models prior to the z10, but as I recall that
>> was the only issue. Of course Version 5.3 of z/VM is quite backlevel, but
>> Version 5.4 (also backlevel) is the last release of z/VM that works on a
>> z890, so you're not far off here. Also bear in mind this is a 90 day
>> evaluation license. Once you reach 90 days you're obliged to discontinue
>> use. Check the license agreement for details. IBM Redbook SG24-6695 is
>> likely to be useful if you head down this path. It's also possible IBM
>> will
>> discontinue downloads of the Version 5.3 Evaluation Edition at some point
>> in the future.
>
> I have actually already found this and will likely try it out in the future.
> Just one question, is this 90 day evaluation from when you install it or
> when you download it?
>>
>> I like the ZZSA idea as well.
>
> Yea I will likely try this out as well in the near future.
>>
>>
>> I've placed a brief story about your new personal mainframe at
>> http://www.mmainframer.com at least as a placeholder. Please keep us
>> posted
>> on your progress.
>
> Awesome, well I will try to provide as much information as possible. I will
> likely once I get enough knowledge and feel prepared enough make a nice
> Youtube video along the lines of 'I just bought a mainframe, what now?'.
> Basicly going from nothing to having an IPLable image installed on some form
> of storage.
>
> -Connor K
>
>
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-- 
Mike A Schwab, Springfield IL USA
Where do Forest Rangers go to get away from it all?

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