Re: survey sasy: COMMANDxx or IODF ?

2008-07-27 Thread R.S.
Itschak Mugzach wrote: And remember that shared dasd generates a reserve, not an ENQ macro. So, if you are sharing, why use channel program? DASD, shared or not, generates neither RESERVE, nor ENQ. While RESERVE is issued at OS level, but implemented in controller, the ENQ remains in OS (i.e

Re: survey sasy: COMMANDxx or IODF ?

2008-07-26 Thread Itschak Mugzach
: www.Securiteam.co.il | -Original Message- From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On Behalf Of R.S. Sent: Saturday, July 26, 2008 5:55 PM To: IBM-MAIN@BAMA.UA.EDU Subject: Re: survey sasy: COMMANDxx or IODF ? IMHO Such survey shows nothing. Some systems share data

Re: survey sasy: COMMANDxx or IODF ?

2008-07-26 Thread R.S.
IMHO Such survey shows nothing. Some systems share data, so sharing DASD volumes is just part of the setup. Other shops can have independent (shared nothing) systems, so shared DASD is not a requirement, it can be done only for administration staff convenience. And it's possible to run systems f

Re: survey sasy: COMMANDxx or IODF ?

2008-07-25 Thread Mueller, David
: IBM-MAIN@BAMA.UA.EDU Subject: Re: survey sasy: COMMANDxx or IODF ? "J Ellis" <[EMAIL PROTECTED]> wrote in message news:<[EMAIL PROTECTED]>... > I'm having a 'discussion' about volume online/offline status. for > non-critical volumes, like flashcopies, we have

Re: survey sasy: COMMANDxx or IODF ?

2008-07-25 Thread Vernooy, C.P. - SPLXM
"J Ellis" <[EMAIL PROTECTED]> wrote in message news:<[EMAIL PROTECTED]>... > I'm having a 'discussion' about volume online/offline status. for > non-critical volumes, like flashcopies, we have been using a jes3 diskrdr > and/or commandxx to bring these online after IPL's. Some folks would like to

Re: survey sasy: COMMANDxx or IODF ?

2008-07-25 Thread Mark Zelden
On Fri, 25 Jul 2008 07:12:14 -0500, J Ellis <[EMAIL PROTECTED]> wrote: >I'm having a 'discussion' about volume online/offline status. for >non-critical volumes, like flashcopies, we have been using a jes3 diskrdr >and/or commandxx to bring these online after IPL's. Some folks would like to >'manag

survey sasy: COMMANDxx or IODF ?

2008-07-25 Thread J Ellis
I'm having a 'discussion' about volume online/offline status. for non-critical volumes, like flashcopies, we have been using a jes3 diskrdr and/or commandxx to bring these online after IPL's. Some folks would like to 'manage' these thru the IODF. I'm curious how many folks use the IODF to manage no