Subject: Re: Hyper PAVs vs. Dynamic PAVs
Is there significant improvement from Dynamic to Hyper?
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: Hyper PAVs vs. Dynamic PAVs
On Fri, 12 Sep 2008 19:57:01 +, Ted MacNEIL [EMAIL PROTECTED] wrote:
One of the nice things about HyperPAV is that if you share DASD between
sysplexes, you don't have to worry about PAV thrashing like you would if
you had WLM controlled PAVs active to both
Can anyone tell me what kind of improvements can be realized changing PAVs
from Dynamic to Hyper? What is the real difference between the two?
TIA
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In a message dated 9/12/2008 2:03:47 P.M. Central Daylight Time,
[EMAIL PROTECTED] writes:
Can anyone tell me what kind of improvements can be realized changing PAVs
from Dynamic to Hyper?
I'll leave the quantification to others and to your own mileage calculations.
What is the real
On Fri, 12 Sep 2008 15:24:15 EDT, IBM Mainframe Discussion List
[EMAIL PROTECTED] wrote:
Next came HyperPAV. IOS decides on an I/O by I/O basis if a PAV is needed
for the next I/O, finds one from a pool of available PAV UCBs, directs the new
I/O to a PAVed UCB which the controller knows how
One of the nice things about HyperPAV is that if you share DASD between
sysplexes, you don't have to worry about PAV thrashing like you would if you
had WLM controlled PAVs active to both sysplexes for the same DASD.
IBM has always admitted, unashamedly, that as of SYSPLEX, DASD sharing is
In a message dated 9/12/2008 2:57:34 P.M. Central Daylight Time,
[EMAIL PROTECTED] writes:
Also, for the exaggerator in the crowd, the maximum WLM interval is 10s,
not 10m.
I wasn't exaggerating. I had no idea of its magnitude, and was guessing
some number of minutes because of RMF's
Is there significant improvement from Dynamic to Hyper?
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On Fri, 12 Sep 2008 19:57:01 +, Ted MacNEIL [EMAIL PROTECTED] wrote:
One of the nice things about HyperPAV is that if you share DASD between
sysplexes, you don't have to worry about PAV thrashing like you would if
you had WLM controlled PAVs active to both sysplexes for the same DASD.
IBM
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