Re: Reaction of z/VM when losing a page dataset

2009-09-01 Thread Florian
Thank you, This is what I expected. I fear also that the chance is doubled to crash the system when the PAGING volumes are spread on both DS-8000. So I will corr ect this soon.

Re: Reaction of z/VM when losing a page dataset

2009-09-01 Thread Rob van der Heij
On Tue, Sep 1, 2009 at 8:21 AM, Florianflorian.bi...@gmail.com wrote: This is what I expected. I fear also that the chance is doubled to crash the system when the PAGING volumes are spread on both DS-8000. So I will correct this soon. I used to joke that it would be best to put all our

Re: Reaction of z/VM when losing a page dataset

2009-09-01 Thread Barton Robinson
The problem with putting all your paging volumes on one DS-8000 then becomes performance. Your paging devices will now be sharing physical disks. When you write pages out to multiple page devices, then all of the I/O is then going to the same set of hardware. From a performance perspective,

Re: Reaction of z/VM when losing a page dataset

2009-09-01 Thread Marcy Cortes
you for your cooperation. -Original Message- From: The IBM z/VM Operating System [mailto:ib...@listserv.uark.edu] On Behalf Of Barton Robinson Sent: Tuesday, September 01, 2009 7:17 AM To: IBMVM@LISTSERV.UARK.EDU Subject: Re: [IBMVM] Reaction of z/VM when losing a page dataset

Reaction of z/VM when losing a page dataset

2009-08-31 Thread Florian Bilek
Dear all, I am wondering about the reaction of z/VM in case it would lose one or two page datasets. The reason is that I have a configuration with two DS-8000 where the page datasets are spread all over those two machines. DS-1 has the sysres, spool, and some page datasets and DS-2 it has

Re: Reaction of z/VM when losing a page dataset

2009-08-31 Thread Paul, Thomas
volumes are in place. Regards Tom 1-508-395-9374 -Original Message- From: The IBM z/VM Operating System [mailto:ib...@listserv.uark.edu] On Behalf Of Florian Bilek Sent: Monday, August 31, 2009 4:24 AM To: IBMVM@LISTSERV.UARK.EDU Subject: Reaction of z/VM when losing a page dataset Dear

Re: Reaction of z/VM when losing a page dataset

2009-08-31 Thread Marcy Cortes
. From: The IBM z/VM Operating System [mailto:ib...@listserv.uark.edu] On Behalf Of Florian Bilek Sent: Monday, August 31, 2009 1:24 AM To: IBMVM@LISTSERV.UARK.EDU Subject: [IBMVM] Reaction of z/VM when losing a page dataset Dear all, I am wondering about