OK, I will CPFMTXA 0-END (entire volume) but ALLOC only as PAGE 1-3338, thus avoiding the risk.
Saludos, José R. Barón Dpto. Sistemas CALCULO S. A. Tel. 91 330 86 44 e-mail: [EMAIL PROTECTED] P No imprima este e-mail si no es realmente necesario -----Mensaje original----- De: The IBM z/VM Operating System [mailto:[EMAIL PROTECTED] En nombre de Alan Altmark Enviado el: martes, 08 de enero de 2008 19:02 Para: IBMVM@LISTSERV.UARK.EDU Asunto: Re: z/VM 5.2 Absurd System shutdown - PJBR On Tuesday, 01/08/2008 at 11:54 EST, David Boyes <[EMAIL PROTECTED]> wrote: > The cyl 0 vs 1 discussion is just a safety measure; CP is usually > smart enough not to shoot itself in the head by paging onto the volume > label & allocation bitmap that tells it where it paged stuff...8-) The paging subsystem will page to cyl 0, but it knows to avoid the label and tracks that have "other CP administrative data" on them. In the interest of avoiding problems, however, don't ALLOCATE cyl 0 as anything other than PERM. It's just not worth the risk. "Cylinder zero is PERM and belongs to CP." I tell you three times. Alan Altmark z/VM Development IBM Endicott
