Re: AW: Re: Number of Cylinders per Volume

2018-01-14 Thread Anne & Lynn Wheeler
000433f07816-dmarc-requ...@listserv.ua.edu (Paul Gilmartin) writes: > Solaris has somthing of the sort. I've occasionally got "File is temporarily > unavailable." > Fifteen seconds later it opens. > > IBM is just behind the curve. isn't that part of what ADSM/TSM is suppose to do https://en.

Re: AW: Re: Number of Cylinders per Volume

2018-01-14 Thread Paul Gilmartin
On Sun, 14 Jan 2018 19:04:24 +0100, R.S. wrote: > >Remark: >* both Unix files and PDSE member are good for small datasets, >especially very small ones, BUT the majority of those datasets are kept >for limited period, so one would need some replacement fo DFSMShsm >features: backup, migration, expir

Re: AW: Re: Number of Cylinders per Volume

2018-01-14 Thread R.S.
Sent: Sunday, January 14, 2018 1:28 AM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: [IBM-MAIN] AW: Re: Number of Cylinders per Volume Radoslaw, I'm not sure I follow. I replied to your example that specifically talked to datasets of 50cyl allocated in CMA. I assume you chose 50 rather than 10

Re: AW: Re: Number of Cylinders per Volume

2018-01-14 Thread Ron hawkins
Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf Of Ron hawkins Sent: Sunday, January 14, 2018 1:28 AM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: [IBM-MAIN] AW: Re: Number of Cylinders per Volume Radoslaw, I'm not sure I follow. I replied to your example that specifically talked to dat

Re: AW: Re: Number of Cylinders per Volume

2018-01-14 Thread Ron hawkins
:IBM-MAIN@LISTSERV.UA.EDU] On Behalf Of R.S. Sent: Saturday, January 13, 2018 12:20 PM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: [IBM-MAIN] AW: Re: Number of Cylinders per Volume Ron, While your solution can keep "small" datasets away from EAS, it is not a solution for a need I descr

Re: AW: Re: Number of Cylinders per Volume

2018-01-14 Thread Ron hawkins
Paul, Agree. zFS leaps out as an option immediately. Ron -Original Message- From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf Of Paul Gilmartin Sent: Saturday, January 13, 2018 1:38 PM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: [IBM-MAIN] AW: Re: Number of

Re: AW: Re: Number of Cylinders per Volume

2018-01-13 Thread Mike Schwab
,21); >>>> output;return; >>>> run; >>>> >>>> title2 "Data set size distribution in Cylinders"; >>>> proc univariate data=dcolsp; >>>> var usedcyl; >>>> histogram; >>>&g

Re: AW: Re: Number of Cylinders per Volume

2018-01-13 Thread R.S.
/ "Total Used Cylinders " usedcyl best16. / "Total Wasted Cylinders " wastecyl best16. / "Percent Wasted CMA " pctwaste percent16.1 ; run; -Original Message----- From:

Re: AW: Re: Number of Cylinders per Volume

2018-01-13 Thread Paul Gilmartin
On Sat, 13 Jan 2018 21:19:54 +0100, R.S. wrote: >Ron, >While your solution can keep "small" datasets away from EAS, it is not a >solution for a need I described. >I mean a scenarion when many thousands of relatively small datasets need >to be kept on disk. Colleague of mine administer a system, wh

Re: AW: Re: Number of Cylinders per Volume

2018-01-13 Thread Mike Schwab
histogram; >> run; >> >> proc summary data=dcolsp nway; >> var usedcyl wastecyl; >> output out=dcolsum >> sum= >> ; >> run; >> >> data _null_; >> set dcolsum; >>

Re: AW: Re: Number of Cylinders per Volume

2018-01-13 Thread R.S.
ot;Total Wasted Cylinders " wastecylbest16. / "Percent Wasted CMA" pctwaste percent16.1 ; run; -Original Message- From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf Of R.S. Sent: Frid

Re: AW: Re: Number of Cylinders per Volume

2018-01-13 Thread Ron hawkins
best16. / "Percent Wasted CMA " pctwaste percent16.1 ; run; -Original Message- From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf Of R.S. Sent: Friday, January 12, 2018 5:48 AM To: IBM-MAIN@LISTS

Re: AW: Re: Number of Cylinders per Volume

2018-01-12 Thread R.S.
W dniu 2018-01-12 o 13:15, Tom Marchant pisze: On Fri, 12 Jan 2018 01:32:07 +0100, R.S. wrote: BTW: an "awful waste of storage" is MCU on EAS which is 21 cyl. (315 trk). It is much more than 4kB and more than 4MB. Not such a big deal for very large data sets, which are the most appropriate one

Re: AW: Re: Number of Cylinders per Volume

2018-01-12 Thread Tom Marchant
On Fri, 12 Jan 2018 01:32:07 +0100, R.S. wrote: >BTW: an "awful waste of storage" is MCU on EAS which is 21 cyl. (315 >trk). It is much more than 4kB and more than 4MB. Not such a big deal for very large data sets, which are the most appropriate ones to go into the cylinder-managed space. When y

Re: AW: Re: Number of Cylinders per Volume

2018-01-11 Thread R.S.
W dniu 2018-01-11 o 19:20, Peter Hunkeler pisze: For example FBA world changed (actually came back *) the sector size which was 512B net for ages and now it's commonly extended to 4096kB. I think that should say 4KiB, not 4096KiB. 4MiB would seem to waste an awful lot of storage. OK, OK,

AW: Re: Number of Cylinders per Volume

2018-01-11 Thread Peter Hunkeler
> For example FBA world changed (actually came back *) the sector size which > was 512B net for ages and now it's commonly extended to 4096kB. I think that should say 4KiB, not 4096KiB. 4MiB would seem to waste an awful lot of storage. -- Peter Hunkeler -