Re: DASD HA & R0 ?

2011-05-21 Thread Leon Daniels
Sent on the Sprint® Now Network from my BlackBerry® -Original Message- From: Alan Altmark Sender: The IBM z/VM Operating System Date: Fri, 20 May 2011 13:45:14 To: Reply-To: The IBM z/VM Operating System Subject: Re: DASD HA & R0 ? On Friday, 05/20/

Re: DASD HA & R0 ?

2011-05-20 Thread Schuh, Richard
VMBearDad (AIM), mbhcpcvt (Y!) The IBM z/VM Operating System wrote on 05/20/2011 11:56:14 AM: > From: "Schuh, Richard" > To: IBMVM@LISTSERV.UARK.EDU > Date: 05/20/2011 11:56 AM > Subject: Re: DASD HA & R0 ? > Sent by: The IBM z/VM Operating System > > Must hav

Re: DASD HA & R0 ?

2011-05-20 Thread Michael Harding
(AIM), mbhcpcvt (Y!) The IBM z/VM Operating System wrote on 05/20/2011 11:56:14 AM: > From: "Schuh, Richard" > To: IBMVM@LISTSERV.UARK.EDU > Date: 05/20/2011 11:56 AM > Subject: Re: DASD HA & R0 ? > Sent by: The IBM z/VM Operating System > > Must have been a thing

Re: DASD HA & R0 ?

2011-05-20 Thread Schuh, Richard
, Richard Schuh > -Original Message- > From: The IBM z/VM Operating System > [mailto:IBMVM@LISTSERV.UARK.EDU] On Behalf Of Alan Altmark > Sent: Friday, May 20, 2011 10:45 AM > To: IBMVM@LISTSERV.UARK.EDU > Subject: Re: DASD HA & R0 ? > > On Friday, 05/

Re: DASD HA & R0 ?

2011-05-20 Thread Alan Altmark
On Friday, 05/20/2011 at 11:55 EDT, "Schuh, Richard" wrote: > I think I remember R0 being referred to as the Track Capacity record. It was > not a constant, but held the remaining capacity after the last formatting write. It is possible that some OSes write things to R0, but CMS and CP don't.

Re: DASD HA & R0 ?

2011-05-20 Thread Rich Greenberg
On: Fri, May 20, 2011 at 08:54:18AM -0700,Tom Huegel Wrote: } Thanks Alan that actually is a great help. I wish I could find what the } format of content of R0's data area is. The last time I needed that format, I am fairly sure I found it in the control blocks/data area manual. However that was

Re: DASD HA & R0 ?

2011-05-20 Thread Alan Altmark
On Friday, 05/20/2011 at 11:55 EDT, Tom Huegel wrote: > Thanks Alan that actually is a great help. I wish I could find what the format > of content of R0's data area is. There is no architected format. It's for the OS to use as it wishes. Alan Altmark z/VM and Linux on System z Consultant

Re: DASD HA & R0 ?

2011-05-20 Thread Tom Huegel
he remaining capacity after the last > formatting write. > > Regards, > Richard Schuh > > > > > -Original Message- > > From: The IBM z/VM Operating System > > [mailto:IBMVM@LISTSERV.UARK.EDU] On Behalf Of Alan Altmark > > Sent: Friday, May 20, 201

Re: DASD HA & R0 ?

2011-05-20 Thread Tom Huegel
Thanks Alan that actually is a great help. I wish I could find what the format of content of R0's data area is. On Fri, May 20, 2011 at 7:04 AM, Alan Altmark wrote: > On Friday, 05/20/2011 at 09:00 EDT, Tom Huegel > wrote: > > Can anyone point me to a doc that has the format of ECKD Home Addres

Re: DASD HA & R0 ?

2011-05-20 Thread Schuh, Richard
K.EDU] On Behalf Of Alan Altmark > Sent: Friday, May 20, 2011 7:04 AM > To: IBMVM@LISTSERV.UARK.EDU > Subject: Re: DASD HA & R0 ? > > On Friday, 05/20/2011 at 09:00 EDT, Tom Huegel > wrote: > > Can anyone point me to a doc that has the format of ECKD > Home Addre

Re: DASD HA & R0 ?

2011-05-20 Thread Alan Altmark
On Friday, 05/20/2011 at 09:00 EDT, Tom Huegel wrote: > Can anyone point me to a doc that has the format of ECKD Home Address (HA) and > Record 0 (R0) records? It's odd that the most recent programming reference for ECKD DASD (IBM ESS S/390 Command Reference, SC26-7298) does not describe the f

DASD HA & R0 ?

2011-05-20 Thread Tom Huegel
Can anyone point me to a doc that has the format of ECKD Home Address (HA) and Record 0 (R0) records? Thanks