white paper on domains (171 Views)
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Occasional Advisor
Sudhindra Bengeri
Posts: 16
Registered: ‎09-07-2003
Message 1 of 5 (171 Views)
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white paper on domains

Please point me to the white on HP-UX domains (which facilitate LPAR style logical partitioning)
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Honored Contributor
Sridhar Bhaskarla
Posts: 6,350
Registered: ‎08-15-2001
Message 2 of 5 (171 Views)

Re: white paper on domains

Hi,

The following document is on hard partitions supported on RP7410, RP8400 and superdomes. Partition done via hardware.

http://docs.hp.com/hpux/onlinedocs/5187-3603/5187-3603.html

Below is on virtual partitions. Supported on most of the hardware. Partitions done through software.


http://docs.hp.com/hpux/onlinedocs/T1335-90018/T1335-90018.html


-Sri
You may be disappointed if you fail, but you are doomed if you don't try
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Occasional Advisor
Sudhindra Bengeri
Posts: 16
Registered: ‎09-07-2003
Message 3 of 5 (171 Views)

Re: white paper on domains

The two links above seem to give information about what are vPars, its uses and specifics of resource allocation.

I am interested in knowing how vPars work internally... that is information about

0. the scheduling algorithm used at the vPar level
1. how jobs are dispatched to CPUs shared by multiple vPars
2. what is the criteria used in case of dynamic reassignment of CPUs to vPars

I am interested in the above information from the point of view of modeling vPars.

Please let me know if there exist any related white papers/books
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Honored Contributor
harry d brown jr
Posts: 8,418
Registered: ‎12-12-2000
Message 4 of 5 (171 Views)

Re: white paper on domains


0. the scheduling algorithm used at the vPar level

No such thing. Each Partition has it's OWN CPU/IO cards/Memory/and disk. Resources are NOT shared (other than the backplane).

1. how jobs are dispatched to CPUs shared by multiple vPars

No CPU's are shared!

2. what is the criteria used in case of dynamic reassignment of CPUs to vPars

Remove it from one partition (free it), then assign it to another. The stipulation is that the CPU can not be BOUND to a partition - meaning that it is designated as a "floater".

The best source of info is: http://www.hp.com/hpbooks/prentice/ptr_0130352128.html

live free or die
harry d brown jr
Live Free or Die
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Honored Contributor
Sridhar Bhaskarla
Posts: 6,350
Registered: ‎08-15-2001
Message 5 of 5 (171 Views)

Re: white paper on domains

Hi,

I am afraid there is any white paper that can give you the detailed information than "how vpars work" section in that document.

Below is another URL that has few white papers on vpars and I don't know if they can cover your needs.

http://www.hp.com/products1/unix/operating/manageability/partitions/library/

-Sri
You may be disappointed if you fail, but you are doomed if you don't try
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