With current emulated DASD and PAVs, performance is probably no longer
an issue, but I believe multiple page data sets on one volume is still a
potential availability issue: You wouldn't want failure of a single
emulated drive to compromise two different systems at the same time, and
I seem to
With current emulated DASD and PAVs, performance is probably no longer an
issue, but I believe multiple page data sets on one volume is still a
potential availability issue: You wouldn't want failure of a single
emulated drive to compromise two different systems at the same time, and I
A couple of recent threads indicated the 30% rule is still valid No info
on z/Flash as yet..
snip
It may be time to revisit old paging ROTs. Does anyone have a double or triple
digit paging rate anymore? Is the 30% rule still valid? (We completely ignore
it). Does zFlash obviate the old
On Thu, 4 Dec 2014 18:46:38 +, Bob Shannon wrote:
Unless the recommendation has changed, there should only be one page dataset
per MVS volume. IIRC MVS remembers the last head position and performance
suffers when the head has moved.
That apparently all changed with the demise of the
W dniu 2014-12-04 o 19:28, Joel Ewing pisze:
With current emulated DASD and PAVs, performance is probably no longer
an issue, but I believe multiple page data sets on one volume is still a
potential availability issue: You wouldn't want failure of a single
emulated drive to compromise two