You might could make the errors go away
by just formatting the first cylinder from CMS.

-- R;

On Fri, 30 Nov 2007, Mike Walter wrote:

> Responding to both Marcy and Bob's points, I give a fresh MDISK to the
> Linux sysprog who says that he receives errors when running dasdfmt unless
> CMS FORMAT has been run first.  We've been formatting them with CMS for so
> long now that I can't recall the error.
>
> But I'll add trying defining a new MDISK without a CMS FORMAT and then
> adding it to a Linux guest and running dasdfmt to our task list.  Maybe
> something changed since "a long time ago".
>
> We never used the RESERVE command, either.  By Dave suggesting it, there
> seems to be validation that a CMS format was required at some point. Maybe
> Linux used to need to see the disk label (volser) on cyl 0 (rec 3 ? w/o
> looking) of the MDISK.
>
> I'll let you know when we've tested again.  Thanks for the tips.
>
> Mike Walter
> Hewitt Associates
> Any opinions expressed herein are mine alone and do not necessarily
> represent the opinions or policies of Hewitt Associates.
>
>
>
> "Marcy Cortes" <[EMAIL PROTECTED]>
>
> Sent by: "The IBM z/VM Operating System" <[email protected]>
> 11/30/2007 09:38 AM
> Please respond to
> "The IBM z/VM Operating System" <[email protected]>
>
>
>
> To
> [email protected]
> cc
>
> Subject
> Re: Formatter for/Linux Minidisk from CMS
>
>
>
>
>
>
> You don't need to.  We haven't been CMS formatting them.
> Marcy Cortes
>
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> From: The IBM z/VM Operating System [mailto:[EMAIL PROTECTED] On
> Behalf Of Mike Walter
> Sent: Friday, November 30, 2007 7:34 AM
> To: [email protected]
> Subject: Re: [IBMVM] Formatter for/Linux Minidisk from CMS
>
>
> OK, time to show my Linux ignorance...
>
> I've never understood why Linux needs CMS to format the MDISK before Linux
> formats it.  What a waste of I/O's (even if z _does_ perform I/O VERY,
> VERY quickly!).  What a waste of time, and what a set of cludgy processes.
>
>
> What's the deal?  Why can't dasdfmt just format what it's given without
> CMS having to "prep" it?  What would it take to change dasdfmt to do so?
>
> Mike Walter
> Hewitt Associates
> Any opinions expressed herein are mine alone and do not necessarily
> represent the opinions or policies of Hewitt Associates.
>
>
>
> "Stracka, James (GTI)" <[EMAIL PROTECTED]>
>
> Sent by: "The IBM z/VM Operating System" <[email protected]>
> 11/30/2007 08:57 AM
>
> Please respond to
> "The IBM z/VM Operating System" <[email protected]>
>
>
>
>
> To
> [email protected]
> cc
>
> Subject
> Re: Formatter forz/Linux Minidisk from CMS
>
>
>
>
>
>
>
>
> Kludge yes, one pack; no.  Because of striping we would need at least
> thirteen differently sized template minidisks.  Unless we could format
> just one very large minidisk and image copy as little as needed.  I
> believe CMS gets just a little bent out of shape if one did this.  Would
> not z/Linux too?
> -----Original Message-----
> From: The IBM z/VM Operating System [mailto:[EMAIL PROTECTED] On
> Behalf Of Imler, Steven J
> Sent: Friday, November 30, 2007 9:46 AM
> To: [email protected]
> Subject: Re: Formatter forz/Linux Minidisk from CMS
>
> Kludgy workaround ...
>
> Can you "correctly" format one "template" pack ... then use HiDRO
> DUPLICATE (or DDR) to clone the pack with the end result being that the
> packs are pre-formatted for the z/Linux guests?
>
> JR (Steven) Imler
> CA
> Senior Software Engineer
> Tel:  +1 703 708 3479
> Fax:  +1 703 708 3267
> [EMAIL PROTECTED]
>
> From: The IBM z/VM Operating System [mailto:[EMAIL PROTECTED] On
> Behalf Of Stracka, James (GTI)
> Sent: Friday, November 30, 2007 09:39 AM
> To: [email protected]
> Subject: Formatter forz/Linux Minidisk from CMS
>
> Does anyone have or know of a utility that will z/Linux format a minidisk
> from CMS?
>
> We have a requirement to format many minidisks for z/Linux usage.  Many
> z/Linux routines flood the console if we just give the guests unformatted
> minidisks.  We have been CMS formatting them before sending them to the
> z/Linux guests, where it might be days before the owners z/Linux format
> them.  I would like to be able to z/Linux format the minidisks from CMS
> before giving the disks to the guests.
>
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