Re: MB to Cyl Conversion

[(IBM Mainframe Discussion List)]

 
 
In a message dated 12/18/2006 10:22:23 A.M. Central Standard Time,  
Steve_Thompson_TW (at symbol) STERCOMM.COM writes:

>H. DASD operating on a radix of 10 instead of 2.
“There  are 10 kinds of people:  those who  can count binary and those who can
’t.”
 
Bill  Fairchild




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Re: MB to Cyl Conversion

[Shmuel Metz (Seymour J.)]

In <[EMAIL PROTECTED]>,
on 12/18/2006
   at 11:20 AM, "Thompson, Steve (SCI TW)"
<[EMAIL PROTECTED]> said:

>H. DASD operating on a radix of 10 instead of 2. 

>I hope M/S doesn't patent that concept.

Since the trend seems to be to patent prior art, I would expect it.
The original disk drives were addressed in decimal. I don't recall
what was on the original 305 RAMAC, but the version for the 650 had
100 tracks on each of 100 surfaces.
 
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Re: MB to Cyl Conversion

[Shmuel Metz (Seymour J.)]

In <[EMAIL PROTECTED]>, on
12/18/2006
   at 11:18 AM, "Horne, Jim - James S" <[EMAIL PROTECTED]> said:

>Only if you want to match up with the vendor numbers. ;).  Disk
>x-bytes are always in multiples of 10 instead of powers of 2

Always is a long time. There is no industry standard; even a unit of
2^10*10^3 is or was common.

>I guess the vendors wanted the numbers to look bigger.

No, for that they gave the unformatted[1] capacity.

[1] Low level, not file system.

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 Shmuel (Seymour J.) Metz, SysProg and JOAT
 ISO position; see  
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Re: MB to Cyl Conversion

[Shmuel Metz (Seymour J.)]

In <[EMAIL PROTECTED]>, on 12/18/2006
   at 10:12 AM, Rick Fochtman <[EMAIL PROTECTED]> said:

>Since we're talking about DASD space, shouldn't those factors be
>1000,  as opposed to 1024 ??

I'd certainly find GB more natural that GiB for sizing DASD, but
they're a lot closer to each other than either is to MiB ;-)

Also, I'm not sure how useful a calculator that assumes full track
would be; I'd expect it to seriously overestimate the capacity for
realistic block sizes. Pesonally I'd just use the old routine from the
CBT tape (BLK3390?).

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Re: MB to Cyl Conversion

[Thompson, Steve (SCI TW)]

-Original Message-
From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On
Behalf Of Rick Fochtman
Sent: Monday, December 18, 2006 10:13 AM
To: IBM-MAIN@BAMA.UA.EDU
Subject: Re: MB to Cyl Conversion


Since we're talking about DASD space, shouldn't those factors be 1000, 
as opposed to 1024 ??


H. DASD operating on a radix of 10 instead of 2. 

I hope M/S doesn't patent that concept.

[It's Monday, I've dealt with too many PC oriented people over the
weekend.]

Regards,
Steve Thompson

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Re: MB to Cyl Conversion

[Horne, Jim - James S]

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Only if you want to match up with the vendor numbers. ;).  Disk x-bytes
are always in multiples of 10 instead of powers of 2 - I guess the
vendors wanted the numbers to look bigger.  (and no use pointing fingers
- every disk vendor I'm aware of is guilty of the practice).

Jim Horne
Lowe's Companies, Inc.

Rick Fochtman wrote:
Since we're talking about DASD space, shouldn't those factors be 1000, 
as opposed to 1024 ??

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Re: MB to Cyl Conversion

[Rick Fochtman]

--


In
<[EMAIL PROTECTED]>,
on 11/30/2006
  at 04:57 PM, "Friske, Michael" <[EMAIL PROTECTED]> said:

 


For GB to tracks --
   



The code shown is for MiB to track, not allowing for overhead. If you
want GiB then you must throw in another factor of 1024:

TRK = ((N1*1024*1024*1024) / 56664)
 


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Since we're talking about DASD space, shouldn't those factors be 1000, 
as opposed to 1024 ??



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Re: MB to Cyl Conversion

[Mitko Iakimov]

On Wed, 29 Nov 2006 12:19:28 -0500, Dean Montevago wrote:

>Is there a formula for this ? Also Gb to cyl.

Try the free tool DASDCALC from Central Coast Software
http://www.centralcoastsoftware.com/page6.html

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Re: MB to Cyl Conversion

[Shmuel Metz (Seymour J.)]

In
<[EMAIL PROTECTED]>,
on 11/30/2006
   at 04:57 PM, "Friske, Michael" <[EMAIL PROTECTED]> said:

>For GB to tracks --

The code shown is for MiB to track, not allowing for overhead. If you
want GiB then you must throw in another factor of 1024:

TRK = ((N1*1024*1024*1024) / 56664)
 
-- 
 Shmuel (Seymour J.) Metz, SysProg and JOAT
 ISO position; see  
We don't care. We don't have to care, we're Congress.
(S877: The Shut up and Eat Your spam act of 2003)

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Re: MB to Cyl Conversion

[Vernooy, C.P. - SPLXM]

"Thompson, Steve  , SCI TW" <[EMAIL PROTECTED]> wrote in
message
news:<[EMAIL PROTECTED]>...
> -Original Message-
> From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED]
> Behalf Of Vernooy, C.P. - SPLXM
> Sent: Monday, December 04, 2006 2:12 AM
> To: IBM-MAIN@BAMA.UA.EDU
> Subject: Re: MB to Cyl Conversion
> 
> "Thompson, Steve  , SCI TW" <[EMAIL PROTECTED]> wrote in
> message
>
news:<[EMAIL PROTECTED]>...
> > -Original Message-
> 
> > 
> > 
> > Englisch tickt nicht Rechtig.
> > 
> > Sorry, I don't know how to put that in Dutch (and I had to use Babel
> > Fish to get close to the correct spelling).
> > 
> > Regards,
> > Steve Thompson
> 
> Steve,
> I read it over and over, but can't make anything from it. It is not
> Dutch, it looks like German but isn't either, maybe it is South
African
> which, I don't know.
> 
> What would it be in English?
> 
> Kees.
> 
> -
> English (the language) ticks not rightly.
> 
> It is a German idiom normally ascribed to an individual or group. Such
> as "He ticks not rightly" or "They tick not rightly".
> 
> My point was, English is a crazy language. 
> 
> Later,
> Steve Thompson
> 

Aha, so it is German anyway, however "Rechtig" should be "richtig".
"Rechtig" sounds a little Dutch-ish, but isn't.

Google told me it should mean (although it often/normally refers to
clocks not showing the right time):
"He's wrong in the garrett."

We have something similar, referring to a persons "upper room". 

However in this case we usually use a verb associated with the noun
"spoor" (track), but it means something else as the english "to track".
It more refers to a car or train not well following the tracks it should
normally follow, in this case a brain not following tracks a normal
person's brain follows. 
"Hij spoort niet helemaal".

Kees.


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Re: MB to Cyl Conversion

[Darren Evans-Young]

Please keep this subject on topic or I will kill it too.

Darren

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Re: MB to Cyl Conversion

[Chase, John]

> -Original Message-
> From: IBM Mainframe Discussion List On Behalf Of Thompson, Steve (SCI
TW)
> 
> -Original Message-
> From: IBM Mainframe Discussion List On Behalf Of Vernooy, C.P. - SPLXM
> 
> "Thompson, Steve  , SCI TW" wrote in message 
> > -Original Message-
> 
> > 
> > 
> > Englisch tickt nicht Rechtig.
> > 
> > Sorry, I don't know how to put that in Dutch (and I had to use Babel

> > Fish to get close to the correct spelling).
> 
> Steve,
> I read it over and over, but can't make anything from it. It 
> is not Dutch, it looks like German but isn't either, maybe it 
> is South African which, I don't know.
> 
> What would it be in English?
> -
> English (the language) ticks not rightly.
> 
> It is a German idiom normally ascribed to an individual or 
> group. Such as "He ticks not rightly" or "They tick not rightly".
> 
> My point was, English is a crazy language. 

Oh, a "polite" way to say "FUBAR".  :-)

-jc-

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Re: MB to Cyl Conversion

[Thompson, Steve (SCI TW)]

-Original Message-
From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On
Behalf Of Vernooy, C.P. - SPLXM
Sent: Monday, December 04, 2006 2:12 AM
To: IBM-MAIN@BAMA.UA.EDU
Subject: Re: MB to Cyl Conversion

"Thompson, Steve  , SCI TW" <[EMAIL PROTECTED]> wrote in
message
news:<[EMAIL PROTECTED]>...
> -Original Message-

> 
> 
> Englisch tickt nicht Rechtig.
> 
> Sorry, I don't know how to put that in Dutch (and I had to use Babel
> Fish to get close to the correct spelling).
> 
> Regards,
> Steve Thompson

Steve,
I read it over and over, but can't make anything from it. It is not
Dutch, it looks like German but isn't either, maybe it is South African
which, I don't know.

What would it be in English?

Kees.

-
English (the language) ticks not rightly.

It is a German idiom normally ascribed to an individual or group. Such
as "He ticks not rightly" or "They tick not rightly".

My point was, English is a crazy language. 

Later,
Steve Thompson

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Re: Grammar (was RE: MB to Cyl Conversion)

[Chase, John]

> -Original Message-
> From: IBM Mainframe Discussion List On Behalf Of (IBM Mainframe 
> Discussion List)
>  
> In a message dated 12/1/2006 6:27:58 A.M. Central Standard 
> Time, rfochtman at YNC.NET writes:
> 
> [ snip ]
> >And a prepositional phrase can NOT be the subject of a  sentence.
> Not true.  E.g.:  Of Mice and Men is a novel and a  movie.  
> This sentence's subject is a prepositional phrase being used  
> as a noun.

"Of Mice and Men" is not a sentence:  no verb.

-jc-

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Re: Grammar (was RE: MB to Cyl Conversion)

[Jan MOEYERSONS]

What is it with you people that every other thread on this MAINFRAME forum 
must deteriorate into a flame on English grammar?

Stop it.

Jantje.

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Re: MB to Cyl Conversion

[Vernooy, C.P. - SPLXM]

"Thompson, Steve  , SCI TW" <[EMAIL PROTECTED]> wrote in
message
news:<[EMAIL PROTECTED]>...
> -Original Message-

> 
> 
> Englisch tickt nicht Rechtig.
> 
> Sorry, I don't know how to put that in Dutch (and I had to use Babel
> Fish to get close to the correct spelling).
> 
> Regards,
> Steve Thompson

Steve,
I read it over and over, but can't make anything from it. It is not
Dutch, it looks like German but isn't either, maybe it is South African
which, I don't know.

What would it be in English?

Kees.


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Re: Grammar (was RE: MB to Cyl Conversion)

[Paul Gilmartin]

On Sun, 3 Dec 2006 12:35:49 EST, IBM Mainframe Discussion List wrote:
>
> >No.  You are conflating use and mention.
> 
> Right.  My bad.  I should have encapsulated my sentences'  subjects ["Of Mice
> and Men" and "Are"] with quotation marks.  And we  forgot about pronouns.
> They can also be the subject of sentences  and/or clauses.
> 
I could have pointed out that "Are" is a verb but "'Are'" is a noun.

Or, even risked:

There was a logician named Quine
Who sported a marvellous line
He said, "Boston" names Boston,
And "'Boston'" names "Boston",
But "nine" does not designate nine.

-- gil
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Re: Grammar (was RE: MB to Cyl Conversion)

[(IBM Mainframe Discussion List)]

 
 
In a message dated 12/3/2006 10:26:04 A.M. Central Standard Time,  gilmap 
"at" UNIX.STORTEK.COM writes:

>No.  You are conflating use and mention.
Right.  My bad.  I should have encapsulated my sentences'  subjects ["Of Mice 
and Men" and "Are"] with quotation marks.  And we  forgot about pronouns.  
They can also be the subject of sentences  and/or clauses.
 
Bill  Fairchild




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Re: Grammar (was RE: MB to Cyl Conversion)

[Rick Fochtman]

-


And a prepositional phrase can NOT be the subject of a  sentence.
   

Not true.  E.g.:  Of Mice and Men is a novel and a  movie.  This sentence's 
subject is a prepositional phrase being used  as a noun.


 


Only a noun or a gerund.
   

This is true, but literally any word or part of speech can be the subject  of 
a sentence if used as a noun.  E.g.:  Are is the heading of the  dictionary 
entry for the word "are."


And I am elated to see that someone else still knows about  gerunds.
 



Both of the cases you cite as examples prove my point. "Of Mice and Men" 
should be underlined or quoted, to denote that this is a TITLE and 
therefore eligible to be a subject of a sentence. And in the second case 
"Are" should be quoted, to denote the word as opposed to the verbal sense.


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Re: Grammar (was RE: MB to Cyl Conversion)

[Paul Gilmartin]

In a recent note, "(IBM Mainframe Discussion List)" said:

> Date: Sun, 3 Dec 2006 09:30:43 EST
> 
> >Only a noun or a gerund.
> This is true, but literally any word or part of speech can be the subject  of
> a sentence if used as a noun.  E.g.:  Are is the heading of the  dictionary
> entry for the word "are."
> 
No.  You are conflating use and mention.  And I'd quote the first
occurrence of "Are" also.

A Google search for "use versus mention" is informative; e.g.

URL: http://www.google.com/search?q=%22use+versus+mention%22

URL: http://www.uweb.ucsb.edu/~jdmay/phil/help/essay.htm#spe

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Re: Grammar (was RE: MB to Cyl Conversion)

[(IBM Mainframe Discussion List)]

 
 
In a message dated 12/1/2006 6:27:58 A.M. Central Standard Time, rfochtman  
at YNC.NET writes:

>However, if the subject is "of tracks"...

>The of tracks  are 1. H. The "of" causes a problem.
The "of" does cause a problem, but I believe the real cause of the  problem 
is the fact that the noun most recently encountered ("tracks") before  the verb 
("is") is plural, and this confuses the mind into thinking that the  subject 
("number") must be plural.  Consider this example:   "Every one of the 
billions of stars in all the billions of galaxies in all the  billions of 
universes 
is composed of hydrogen."  The subject of the  sentence is "one", which is 
singular, but there are many plural nouns between  that subject and the 
sentence's 
verb "is", and all of these plural nouns refer  to very large numbers of 
things.  When speaking or writing this sentence,  by the time the verb is 
encountered the average mind has long since forgotten  what the subject was and 
is 
influenced more by all the plural nouns.  But  when reading it there is no 
problem.
>And a prepositional phrase can NOT be the subject of a  sentence.
Not true.  E.g.:  Of Mice and Men is a novel and a  movie.  This sentence's 
subject is a prepositional phrase being used  as a noun.
 
>Only a noun or a gerund.
This is true, but literally any word or part of speech can be the subject  of 
a sentence if used as a noun.  E.g.:  Are is the heading of the  dictionary 
entry for the word "are."
 
And I am elated to see that someone else still knows about  gerunds.
 
Bill  Fairchild




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Re: MB to Cyl Conversion

[Howard Brazee]

We have UMS.REXX.APPL.LIB(TRACKS):

/* PROGRAM TO CALCULATE TRACKS AND CYLINDERS BASED ON RECORD LENGTH */
/* AND BLOCK SIZE.  WRITTEN IN REXX BY R. STEHLIK, 04/21/91. */  
/* FOR EQUAL LENGTH PHYSICAL RECORDS WITHOUT KEYS. */  
SAY 'THIS PROGRAM WILL CALCULATE THE TRACKS AND CYLINDERS NEEDED FOR'
SAY 'EQUAL-LENGTH PHYSICAL RECORDS WITHOUT KEYS ON A 3380 VOLUME.'
CALL LOAD_TABLE DO FOREVER DROP TRK_1 RECS RDC_LEN BLK_FCT TOT_BYT
EST_REC TOT_TRK MAX_BLK OPT_BLK  
SAY SAY SAY 'PRESS ENTER TO EXIT, OR' SAY SAY 'ENTER RECORD
LENGTH:' PULL RCD_LEN IF RCD_LEN = '' THEN LEAVE MAX_BLK = TRUNC(47476
/ RCD_LEN) OPT_BLK = TRUNC(23476 / RCD_LEN) SAY SAY 'LARGEST
EFFICIENT BLOCKING FACTOR FOR RECORD LENGTH' RCD_LEN SAY 'IS'
OPT_BLK'.  IF YOU EXCEED THIS SIZE, THIS PROGRAM WILL END.' 
SAY SAY SAY 'ENTER BLOCKING FACTOR:' PULL BLK_FCT IF BLK_FCT = '' THEN
LEAVE IF BLK_FCT > TRUNC(OPT_BLK + .5) THEN DOSAY 'BLOCKING FACTOR
ENTERED, EXCEEDS LARGEST BLOCK RECCOMMENDED'SAY 'FOR EFFICIENCY.
PROGRAM IS ENDING.  PLEASE TRY AGAIN'SAY 'WITHOUT EXCEEDING
LARGEST EFFICIENT BLOCKING FACTOR.'LEAVEEND SAY SAY 'YOUR
BLOCKSIZE IS 'RCD_LEN * BLK_FCT'.' SAY SAY 'ENTER ESTIMATED NUMBER OF
RECORDS:' SAY PULL EST_REC IF EST_REC = '' THEN LEAVE BLK_SZE =
RCD_LEN * BLK_FCT TOT_BYT = RCD_LEN * EST_REC RECS = 0 TOT_TRK = 0 DO
I = 1 TO 61 IF BLK_SZE >= SUBSTR(DATA.I, 1, 5) & BLK_SZE <=
SUBSTR(DATA.I, 6, 5)  
THEN DO RECS = SUBSTR(DATA.I, 11, 2) TRK_1 = RECS *
BLK_SZE TOT_TRK = TOT_BYT / TRK_1 LEAVE END END IF RECS =
0 THEN DO SAY 'BLOCKSIZE' BLK_SZE 'OUTSIDE OF RANGE, CANNOT
CALCULATE.' END IF TOT_TRK > 0 THEN DO SAY SAY 'YOU WILL
NEED A TOTAL OF' TRUNC(TOT_TRK + .5) 'TRACKS' SAY 'OR'
TRUNC(TOT_TRK / 15 + .5) 'CYLINDERS.' END END EXIT LOAD_TABLE:
PROCEDURE EXPOSE DATA. DATA.1  = '234774747601' DATA.2  =
'154772347602' DATA.3  = '114771547603' DATA.4  = '090771174604'
DATA.5  = '074770907605' DATA.6  = '062570747606' DATA.7  =
'054930635607'  
DATA.8  = '048210549208'  
DATA.9  = '042770482009'  
DATA.10 = '038610427610'  
DATA.11 = '034770386011'  
DATA.12 = '031890347612'  
DATA.13 = '029330318813'  
DATA.14 = '026770293214'  
DATA.15 = '024850267615'  
DATA.16 = '023250248416'  
DATA.17 = '021650232417'  
DATA.18 = '020050216418'  
DATA.19 = '018770200419'  
DATA.20 = '017810187620'  
DATA.21 = '016850178021'  
DATA.22 = '015890168422'  
DATA.23 = '014930158823'  
DATA.24 = '013970149224'  
DATA.25 = '013330139625'  
DATA.26 = '012690133226'  
DATA.27 = '012050126827'  
DATA.28 = '011410120428'  
DATA.29 = '010770114029'  
DATA.30 = '010450107630'  
DATA.31 = '009810104431'  
DATA.32 = '009490098032'  
DATA.33 = '009170094833'  
DATA.34 = '008530091634'  
DATA.35 = '008210085235'  
DATA.36 = '007890082036'  
DATA.37 = '007570078837'  
DATA.38 = '007250075638'  
DATA.39 = '006930072439'  
DATA.40 = '006610069240'  
DATA.41 = '006290066041'  
DATA.42 = '005970062842'  
DATA.43 = '005650059644'  
DATA.44 = '005530056445'  
DATA.45 = '005010053246'  
DATA.46 = '004690050048'  
DATA.47 = '004370046849'  
DATA.48 = '004050043651'  
DATA.49 = '003730040453'  
DATA.50 = '003410037255'  
DATA.51 = '003090034057'  
DATA.52 = '002770030859'  
DATA.53 = '002450027662' 
DATA.54 = '002130024465' 
DATA.55 = '001810021268' 
DATA.56 = '001490018071' 
DATA.57 = '001170014874' 
DATA.58 = '000850011678' 
DATA.59 = '000530008483' 
DATA.60 = '000210005288' 
DATA.61 = '10002093' 
RETURN   

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Re: MB to Cyl Conversion

[Thompson, Steve (SCI TW)]

-Original Message-
From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On
Behalf Of Vernooy, C.P. - SPLXM
Sent: Friday, December 01, 2006 9:35 AM
To: IBM-MAIN@BAMA.UA.EDU
Subject: Re: MB to Cyl Conversion


Well, now you hit a topic on the head, that I, as non-English, never was
able to understand, not get a feel for: 
why you say: the police *are* i.s.o. the police *is*... as we do and
lots of other languages. Also: the firebrigade *are*? Why not then: the
population are?

And even more strange is Elvis Costello's text:
Oliver's army *are* on their way, Oliver's army *is* here to stay.
(Unless this is incorrect Enghlish of course).



Englisch tickt nicht Rechtig.

Sorry, I don't know how to put that in Dutch (and I had to use Babel
Fish to get close to the correct spelling).

Regards,
Steve Thompson

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Re: Grammar (was RE: MB to Cyl Conversion)

[Steve Runtsch]

> > -Original Message-
> > From: IBM Mainframe Discussion List On Behalf Of Ted MacNEIL
> > 
> > >SAY 'THE NUMBER OF TRACKS IS' TRK
> > 
> > UGH!
> > Where's your grammar?
> > 
> > I cannot accept 'IS'!
> > 
> > I actually check for that exception when I SAY something.
> 
> Well, you've been doing it wrong, then.  The subject of the sentence is
> NUMBER, not TRACKS.  NUMBER is singular; therefore IS is grammatically
> correct.
> 
> -jc-
> 
You is correct, JC.  B-)

Steve
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Re: MB to Cyl Conversion

[Vernooy, C.P. - SPLXM]

"Howard Brazee" <[EMAIL PROTECTED]> wrote in message
news:<[EMAIL PROTECTED]>...
> On 30 Nov 2006 15:13:35 -0800, [EMAIL PROTECTED] (Ted MacNEIL) wrote:
> 
> >>SAY 'THE NUMBER OF TRACKS IS' TRK
> >
> >UGH!
> >Where's your grammar?
> >Home. Baking cookies (or dropping them onto your PC).
> >
> >
> >I can accept 'The number of tracks are'! Even for 1.
> >
> >I cannot accept 'IS'!
> >
> >I actually check for that exception when I SAY something.
> 
> I couldn't disagree more. "The number is one" - not "The number
> are one".   Or "The number are five".
> 
> Do you say "the population of the United States are 295,734,134"?

Well, now you hit a topic on the head, that I, as non-English, never was
able to understand, not get a feel for: 
why you say: the police *are* i.s.o. the police *is*... as we do and
lots of other languages. Also: the firebrigade *are*? Why not then: the
population are?

And even more strange is Elvis Costello's text:
Oliver's army *are* on their way, Oliver's army *is* here to stay.
(Unless this is incorrect Enghlish of course).

Kees.


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Re: Grammar (was RE: MB to Cyl Conversion)

[Richard Tsujimoto]

-jc- wrote:

>Well, you've been doing it wrong, then.  The subject of the sentence is
>NUMBER, not TRACKS.  NUMBER is singular; therefore IS is grammatically
>correct.

As noted in the reference below, the treating certains nouns as singular, 
or plural can be confusing (personally, I slept through most of the 
grammer lessons in grade school).  But, it seems that jc is correct.

http://www.staff.rice.edu/staff/Grammar1.asp

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Re: Grammar (was RE: MB to Cyl Conversion)

[Ted MacNEIL]

>I'd guess you also say "It is me" when "It is I" is correct  "Who
should I call" vs. "Whom should I call" (unless, of course, you're
contemplating calling Bud Abbott's first baseman)

Wrong guess!

When in doubt.
PANIC!!  

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Re: MB to Cyl Conversion

[Howard Brazee]

On 30 Nov 2006 15:13:35 -0800, [EMAIL PROTECTED] (Ted MacNEIL) wrote:

>>SAY 'THE NUMBER OF TRACKS IS' TRK
>
>UGH!
>Where's your grammar?
>Home. Baking cookies (or dropping them onto your PC).
>
>
>I can accept 'The number of tracks are'! Even for 1.
>
>I cannot accept 'IS'!
>
>I actually check for that exception when I SAY something.

I couldn't disagree more. "The number is one" - not "The number
are one".   Or "The number are five".

Do you say "the population of the United States are 295,734,134"?

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Re: MB to Cyl Conversion

[Tom Marchant]

On Thu, 30 Nov 2006 16:57:20 -0600, Friske, Michael wrote:

>
>
>-Original Message-
>From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On
>Behalf Of Jan MOEYERSONS
>
>>Is there a formula for this ? Also Gb to cyl.
>>Thanks
>
>Here is a little REXX exec that does the trick for us.
>
>/*  Rexx */
>ARG N1
>CYL = ((N1*1024*1024) / 849960)
>SAY 'THE NUMBER OF CYLINDERS IS' CYL
>
>For GB to tracks --
>
>/*  Rexx  */
>ARG N1
>TRK = ((N1*1024*1024) / 56664)
>SAY 'THE NUMBER OF TRACKS IS' TRK
>

I would point out two things about this.  

First, the numbers that you are using are the raw number of bytes
per track/cylinder.  You can't actually put that much data on a
track or cylinder using normal access methods.

Second, the calculation prooduces MiB, not MB.  Disk capacities
are normally specified in MB, not MiB.  The factor should be
1,000,000 not by 1024*1024.

These two cause errors in opposite directions, perhaps even
canceling each other somewhat.

-- 
Tom Marchant

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Grammar (was RE: MB to Cyl Conversion)

[Chase, John]

> -Original Message-
> From: IBM Mainframe Discussion List On Behalf Of Ted MacNEIL
> 
> >SAY 'THE NUMBER OF TRACKS IS' TRK
> 
> UGH!
> Where's your grammar?
> Home. Baking cookies (or dropping them onto your PC).
> 
> 
> I can accept 'The number of tracks are'! Even for 1.
> 
> I cannot accept 'IS'!
> 
> I actually check for that exception when I SAY something.

Well, you've been doing it wrong, then.  The subject of the sentence is
NUMBER, not TRACKS.  NUMBER is singular; therefore IS is grammatically
correct.

I'd guess you also say "It is me" when "It is I" is correct  "Who
should I call" vs. "Whom should I call" (unless, of course, you're
contemplating calling Bud Abbott's first baseman)

-jc-

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Re: MB to Cyl Conversion

[Rick Fochtman]

-
Is the subject "number" or "tracks"?

Let's see, if we drop all but the subject...

The number is 200. H. "Number" is single, "is" matches, so "is" is 
the correct verb.


However, if the subject is "of tracks"...

The of tracks are 1. H. The "of" causes a problem. Guess that means 
that "of tracks" is not the actual subject, but a prepositional phrase.


Correct!  And a prepositional phrase can NOT be the subject of a 
sentence. Only a noun or a gerund.


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Re: MB to Cyl Conversion

[Schwarz, Barry A]

So I suppose you insist the number of the beast are 666.

The phrase following the noun does not change it from singular to plural
or back. There is only one number and it is what it are.

-Original Message-
From: Ted MacNEIL [mailto:snip] 
Sent: Thursday, November 30, 2006 3:15 PM
To: IBM-MAIN@BAMA.UA.EDU
Subject: Re: MB to Cyl Conversion

>SAY 'THE NUMBER OF TRACKS IS' TRK

UGH!
Where's your grammar?
Home. Baking cookies (or dropping them onto your PC).


I can accept 'The number of tracks are'! Even for 1.

I cannot accept 'IS'!

I actually check for that exception when I SAY something.

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Re: MB to Cyl Conversion

[Thompson, Steve (SCI TW)]

-Original Message-
From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On
Behalf Of Ted MacNEIL
Sent: Thursday, November 30, 2006 5:15 PM
To: IBM-MAIN@BAMA.UA.EDU
Subject: Re: MB to Cyl Conversion

>SAY 'THE NUMBER OF TRACKS IS' TRK

UGH!
Where's your grammar?
Home. Baking cookies (or dropping them onto your PC).


I can accept 'The number of tracks are'! Even for 1.

I cannot accept 'IS'!

I actually check for that exception when I SAY something.

When in doubt.
PANIC!!  


Is the subject "number" or "tracks"? 

Let's see, if we drop all but the subject...

The number is 200. H. "Number" is single, "is" matches, so "is" is
the correct verb.

However, if the subject is "of tracks"...

The of tracks are 1.  H. The "of" causes a problem. Guess that means
that "of tracks" is not the actual subject, but a prepositional phrase.

Later,
Steve Thompson

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Re: MB to Cyl Conversion

[Charles Mills]

"The number of tracks is 1" is correct in my book. Number is singular. The
number ... is 1. "The number of tracks are 1"? I don't think so.

OTOH, about the all upper-case ...

Charles

-Original Message-
From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On Behalf
Of Ted MacNEIL
Sent: Thursday, November 30, 2006 3:15 PM
To: IBM-MAIN@BAMA.UA.EDU
Subject: Re: MB to Cyl Conversion

>SAY 'THE NUMBER OF TRACKS IS' TRK

UGH!
Where's your grammar?
Home. Baking cookies (or dropping them onto your PC).


I can accept 'The number of tracks are'! Even for 1.

I cannot accept 'IS'!

I actually check for that exception when I SAY something.

When in doubt.
PANIC!!  

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Re: MB to Cyl Conversion

[Ted MacNEIL]

>SAY 'THE NUMBER OF TRACKS IS' TRK

UGH!
Where's your grammar?
Home. Baking cookies (or dropping them onto your PC).


I can accept 'The number of tracks are'! Even for 1.

I cannot accept 'IS'!

I actually check for that exception when I SAY something.

When in doubt.
PANIC!!  

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Re: MB to Cyl Conversion

[Friske, Michael]

 

-Original Message-
From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On
Behalf Of Jan MOEYERSONS
Sent: Thursday, November 30, 2006 4:12 AM
To: IBM-MAIN@BAMA.UA.EDU
Subject: Re: MB to Cyl Conversion

>Is there a formula for this ? Also Gb to cyl.
>Thanks

Here is a little REXX exec that does the trick for us.

/*  Rexx */
ARG N1  
CYL = ((N1*1024*1024) / 849960) 
SAY 'THE NUMBER OF CYLINDERS IS' CYL

For GB to tracks --

/*  Rexx  */
ARG N1   
TRK = ((N1*1024*1024) / 56664)   
SAY 'THE NUMBER OF TRACKS IS' TRK

We also have execs to convert the other direction.  All of these are in
our SYSEXEC concatenation, so we just have to say "TSO GB2CYL nnn" on
any command line.

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Re: MB to Cyl Conversion

[Anne & Lynn Wheeler]

The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main as well.


[EMAIL PROTECTED] (Rick Fochtman) writes:
> There are similar references for all the "newer" DASD since that time,
> as well. But they're hard to find.

i would be happy to update gcard section 
http://www.garlic.com/~lynn/gcard.html#26.3

if somebody can provide the info ... previous post
http://www.garlic.com/~lynn/2006v.html#28 MB to Cyl Conversion

gcard started out as ios3270 version of the green card. i've done a
very simple conversion to html.

for those that don't think they've seen ios3270 ... the service
processor on the 3090 was a pair of 4361s running a highly modified
version of vm/cms release 6 ... using ios3270 for the service screens.

and for something completely different ... i'm still looking for
code names for completing the following.

   2301   fixed-head/track (2303 but 4 r/w heads at time)
   2303   fixed-head/track r/w 1-head (1/4th rate of 2301)
Corinth2305-1 fixed-head/track
Zeus   2305-2 fixed-head/track
   2311
   2314
   2321   data-cell "washing machine"
Piccolo3310   FBA
Merlin 3330-1
Iceberg3330-11
Winchester 3340-35
   3340-70
   3344   (3350 physical drive simulating multiple 3340s)
Madrid 3350
NFP3370   FBA
Florence   3375   3370 supporting CKD
Coronado   3380 A04, AA4, B04
EvergreenD 3380 AD4, BD4
EvergreenE 3380 AE4, BE4
   3830   disk controller, horizontal microcode engine
Cybernet   3850   MSS (also Camanche & Oak)
Cutter 3880   disk controller, jib-prime (vertical) mcode engine
Ironwood   3880-11(4kbyte/page block 8mbyte cache)
Sheriff3880-13(full track 8mbyte cache)
Sahara 3880-21(larger cache for "11")
?? 3880-23(larger cache for "13")

... snip ... 

i believe most current dasd is really ckd emulated on FBA-based disks
... sort of the first would have been 3375.

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Re: [SPAM] RE: MB to Cyl Conversion

[Rick Fochtman]

There used to be reference cards that gave the formulas for calculating
DASD device capacity. The one I have stashed away is for 3350 and is
GX20-1983. It details the variables needed to accurately calculate space
needed based on track size, blksize, etc. 
 


--
There are similar references for all the "newer" DASD since that time, 
as well. But they're hard to find.


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Re: MB to Cyl Conversion

[Darby, Mark]

Depending on your requirements, perhaps a formula is not needed?

For 3390 DASD:
- A cylinder holds exactly 780 KB (based on 4K blksize & no keys)
- to store 1 MB of 4K blocks requires 1.3128 CYLs
- 1 CYL = .76171875 MB

-Original Message-
From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On
Behalf Of Jan MOEYERSONS
Sent: Thursday, November 30, 2006 5:12 AM
To: IBM-MAIN@BAMA.UA.EDU
Subject: Re: MB to Cyl Conversion

>Is there a formula for this ? Also Gb to cyl.
>Thanks

I don't know the formula, but I do know I like the DASD Calculator. It
does 
the calculation you are asking for, taking into account the different 
geometry of the device and the blocksize. And much more...

http://www.centralcoastsoftware.com

Cheers,

Jantje.

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Re: MB to Cyl Conversion

[Jan MOEYERSONS]

>Is there a formula for this ? Also Gb to cyl.
>Thanks

I don't know the formula, but I do know I like the DASD Calculator. It does 
the calculation you are asking for, taking into account the different 
geometry of the device and the blocksize. And much more...

http://www.centralcoastsoftware.com

Cheers,

Jantje.

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Re: [SPAM] RE: MB to Cyl Conversion

[O'Brien, David W. (NIH/CIT) [C]]

http://publibz.boulder.ibm.com/cgi-bin/bookmgr_OS390/BOOKS/am3u1001/B.1.
2?SHELF=AM311903.bks&DT=19930630180527

The url above contains a table for determining track capacity according
to block size. 

-Original Message-
From: Veilleux, Jon L [mailto:[EMAIL PROTECTED] 
Sent: Wednesday, November 29, 2006 1:05 PM
To: IBM-MAIN@BAMA.UA.EDU
Subject: [SPAM] RE: MB to Cyl Conversion

There used to be reference cards that gave the formulas for calculating
DASD device capacity. The one I have stashed away is for 3350 and is
GX20-1983. It details the variables needed to accurately calculate space
needed based on track size, blksize, etc. 


Jon L. Veilleux
[EMAIL PROTECTED]
(860) 636-2683 


-
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Re: [SPAM] RE: MB to Cyl Conversion

[Duane Reaugh]

DTS Software has a Storage Administrator Reference Guide written by
Steve Pryor who used to write a column for Tech Support magazine. It has
all the track capacities, blocksize charts and lots of other stuff.


You can get the PDF at
http://DTSsoftware.com/refgd.pdf

or call 770 922-2444 x164 and they will send you one

Duane Reaugh
DTS Software

-Original Message-
From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On
Behalf Of Veilleux, Jon L
Sent: Wednesday, November 29, 2006 1:05 PM
To: IBM-MAIN@BAMA.UA.EDU
Subject: [SPAM] RE: MB to Cyl Conversion

There used to be reference cards that gave the formulas for calculating
DASD device capacity. The one I have stashed away is for 3350 and is
GX20-1983. It details the variables needed to accurately calculate space
needed based on track size, blksize, etc. 


Jon L. Veilleux
[EMAIL PROTECTED]
(860) 636-2683 

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[SPAM] RE: MB to Cyl Conversion

[Veilleux, Jon L]

There used to be reference cards that gave the formulas for calculating
DASD device capacity. The one I have stashed away is for 3350 and is
GX20-1983. It details the variables needed to accurately calculate space
needed based on track size, blksize, etc. 


Jon L. Veilleux
[EMAIL PROTECTED]
(860) 636-2683 


-
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you think you have received this e-mail in error, please advise the
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Re: MB to Cyl Conversion

[Dean Montevago]

Thank you all for the tips & suggestions.

-Original Message-
From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On
Behalf Of Anne & Lynn Wheeler
Sent: Wednesday, November 29, 2006 12:52 PM
To: IBM-MAIN@BAMA.UA.EDU
Subject: Re: MB to Cyl Conversion


The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main as well.

[EMAIL PROTECTED] (Dean Montevago) writes:
> Hi,
> Is there a formula for this ? Also Gb to cyl.
> Thanks
> Dean

relatively recent thread http://www.garlic.com/~lynn/2006m.html#5 Track
capacity? http://www.garlic.com/~lynn/2006m.html#8 Track capacity?
http://www.garlic.com/~lynn/2006m.html#13 Track capacity?

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Re: MB to Cyl Conversion

[Anne & Lynn Wheeler]

The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main as well.

[EMAIL PROTECTED] (Dean Montevago) writes:
> Hi,
> Is there a formula for this ? Also Gb to cyl.
> Thanks
> Dean

relatively recent thread
http://www.garlic.com/~lynn/2006m.html#5 Track capacity?
http://www.garlic.com/~lynn/2006m.html#8 Track capacity?
http://www.garlic.com/~lynn/2006m.html#13 Track capacity?

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Re: MB to Cyl Conversion

[Dean Montevago]

Good question ! I didn't consider that. I was thinking if I had 600mb
how many cylinders would that occupy.

-Original Message-
From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On
Behalf Of O'Brien, David W. (NIH/CIT) [C]
Sent: Wednesday, November 29, 2006 12:40 PM
To: IBM-MAIN@BAMA.UA.EDU
Subject: Re: MB to Cyl Conversion


Dean,

As Alan points out, it depends on blocking factor. A VSAM dataset with
4K Cis will give to 180 Cis per cylinder. So your cylinder capacity for
that block size will be 737280 bytes.

As opposed to the total available capacity of 56664 * 15 = 849960

Which value are you looking for total available or useable?  

-Original Message-
From: Alan C. Field 
Subject: Re: MB to Cyl Conversion

Accurate or approximate?

It depends on blocking factor, media type

For 3390s I use 56664 (bytes per track) * 15 (tracks per cylinder) for
an approximate value. 

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Re: MB to Cyl Conversion

[O'Brien, David W. (NIH/CIT) [C]]

Dean,

As Alan points out, it depends on blocking factor. A VSAM dataset with
4K Cis will give to 180 Cis per cylinder. So your cylinder capacity for
that block size will be 737280 bytes.

As opposed to the total available capacity of 56664 * 15 = 849960

Which value are you looking for total available or useable?  

-Original Message-
From: Alan C. Field 
Subject: Re: MB to Cyl Conversion

Accurate or approximate?

It depends on blocking factor, media type

For 3390s I use 56664 (bytes per track) * 15 (tracks per cylinder) for
an approximate value. 

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Re: MB to Cyl Conversion

[Tim Hare]

You can allocate space on z/OS  in MB if you want:

AVGREC=M,SPACE=(1,(1000,100)) 

for example, allocates enough space in millions of records (AVGREC=M). 
Those records (for allocation purposes, this is not the LRECL) are 1 byte 
long.  Here our primary is 1000M  or approximately 1GB.

I use this technique successfully, for example, when allocating an HFS for 
a product ported to USS where the vendor says you need "x"MB to install.

If you like, you can do an allocation like this and use some other tool to 
determine the tracks or cylinders that it occupies.

Tim Hare
Senior Systems Programmer
Florida Department of Transportation
(850) 414-4209

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Re: MB to Cyl Conversion

[Alan C. Field]

Accurate or approximate?

It depends on blocking factor, media type

For 3390s I use 56664 (bytes per track) * 15 (tracks per cylinder) for an 
approximate value. 

 


Hi,
Is there a formula for this ? Also Gb to cyl.
Thanks
Dean

Dean Montevago
Sr. Systems Specialist
Visiting Nurse Service of New York
(212) 609 - 5596


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MB to Cyl Conversion

[Dean Montevago]

Hi,
Is there a formula for this ? Also Gb to cyl.
Thanks
Dean

Dean Montevago
Sr. Systems Specialist
Visiting Nurse Service of New York
(212) 609 - 5596
[EMAIL PROTECTED]


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