[Info-vax] OpenVMS servers and clusters as a cloud service

[DaveFroble]

Richard Maher wrote:
> On 03-Jan-18 12:07 AM, DaveFroble wrote:
>> Richard Maher wrote:
>>> On 02-Jan-18 1:45 PM, DaveFroble wrote:
>>>> Richard Maher wrote:
>>>>> On 01-Jan-18 1:01 PM, DaveFroble wrote:
>>>>>> Phillip Helbig (undress to reply) wrote:
>>>>>>> In article <p2bjfs$b3j$1 at dont-email.me>, Stephen Hoffman
>>>>>>> <seaohveh at hoffmanlabs.invalid> writes:
>>>>>>>> You're creating a more complex variant of just part of what 
>>>>>>>> sandboxing and provisioning provide.
>>>>>>>
>>>>>>> Perhaps.  The question is how one can come up with a more 
>>>>>>> efficient upgrade mechanism without making it too difficult to 
>>>>>>> adapt existing configurations.
>>>>>>>
>>>>>>
>>>>>> Perhaps one just doesn't try to do that.  As Steve has perhaps 
>>>>>> mentioned once, or twice, or a million times, holding onto the 
>>>>>> past too hard can really screw up the future.
>>>>>>
>>>>>> If VSI comes up with some better stuff, I for one don't have a 
>>>>>> problem with a fresh install.  Come to think about it, every x86 
>>>>>> VMS system will require a fresh install.
>>>>>>
>>>>>
>>>>> Exactly. There is *no* common system disk save a Desired State 
>>>>> image copy. And, at least for IaaS, VMS Clusters are dead. The DLM 
>>>>> is dead unless you can tolerate the irony of licensing Oracle's.
>>>>
>>>> I don't agree.  The DLM is alive and well, and if VSI uses a 
>>>> recommendation I sent to them, it would have numeric range locking.
>>>>
>>>
>>> You're missing the point :-( The DLM is/was amazing and lives on in 
>>> VMS Clusters but that pathetically limited (geographically and 
>>> scalability wise) architecture has been resigned to niche applications.
>>>
>>> If VMS wants to grow it needs World Wide Session State services and 
>>> lock managers.
>>>
>>> 32 byte lock value blocks are a fucking joke today!
>>
>> The DLM is rather useful on a single system.
> 
> It is extremely useful and on a cluster as well! VMS was trailblazing 
> yet again.
> 
>>
>> There is always room for improvement.
>>
>>
> 
> But Oracle brought out Cache Fusion about 15 years ago.
> 

If you want to pay Oracle prices, and no, I don't know what they are.  But I'd 
be very afraid.


-- 
David Froble                       Tel: 724-529-0450
Dave Froble Enterprises, Inc.      E-Mail: davef at tsoft-inc.com
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