Re: Maintenance "Hot Standby"

2009-06-24 Thread Peter . Webb
...@listserv.uark.edu] On Behalf Of Le Grande Valerie Sent: June 24, 2009 15:42 To: IBMVM@LISTSERV.UARK.EDU Subject: Maintenance "Hot Standby" I am looking for some input: How do you do maintenance and keep a "hot standby" volume (and old 540RES and newly maintained 540RES)? We have to

Re: Maintenance "Hot Standby"

2009-06-24 Thread Tom Duerbusch
Where you can do duplicate volumes, which was really necessary in the old days, before RAID, and head crashes... But with maintenance, you already have it. i.e. 190 is where CMS is. 490 is you apply maintenance. Swap the disks to put in or swap out, maintenance. (you will still need to resave t

Re: Maintenance "Hot Standby"

2009-06-24 Thread Kris Buelens
I found it more easy to keep a backup copy of the runtime "object": - CP: CPLOAD MODULE and CPOLD MODULE on MAINT CF1 alternatively, use MAINT CF2 as fallback of CF1 - CMS: MAINT 190 and 490; 193 and 493 - TCPIP: TCPMAINT 59x and 159x - etc If you have a copy of the entire resident, when you swit

Re: Maintenance "Hot Standby"

2009-06-24 Thread Schuh, Richard
: The IBM z/VM Operating System > [mailto:ib...@listserv.uark.edu] On Behalf Of Le Grande Valerie > Sent: Wednesday, June 24, 2009 12:42 PM > To: IBMVM@LISTSERV.UARK.EDU > Subject: Maintenance "Hot Standby" > > I am looking for some input: > > How do you d

Maintenance "Hot Standby"

2009-06-24 Thread Le Grande Valerie
I am looking for some input: How do you do maintenance and keep a "hot standby" volume (and old 540RES and newly maintained 540RES)? We have to bring maintenance in "off hours" and like to have a volume operators can switch back to should there be problems. If anyone can share how-to, please c