Thank you Bob. Chris --- "Juch, Robert" <[EMAIL PROTECTED]> wrote:
> IBM's fiber connections can now be 32 miles long. > > We mirror (not through ficon) our mainframes to both > Long Island and Maryland. > > R?S > Bob Juch > Citigroup > MQ Mainframe Support Team > Weehawken, NJ > 201-974-2147 > > mailto:[EMAIL PROTECTED] > > -----Original Message----- > From: MQSeries List > [mailto:[EMAIL PROTECTED] Behalf Of > Christopher Warneke > Sent: Thursday, November 18, 2004 10:58 AM > To: [EMAIL PROTECTED] > Subject: Re: Backing up "Q" files but not the "LOG" > files > > > Kulbir, > Sounds like what you really need is a redundant > DASD > solution and a DR center that is close enough to you > to mirror disks at both sites. > EMC and IBM both have technologies that support > having the data centers some distance from each > other. > Shared Queues on z/OS can be 27km apart (I've heard > that IBM has extended this, not sure how far). QSGs > employ m/f coupling facilities so, my bet is that > the > Mirrored DASD solutions require closer proximity, > for > performance sake. > Years ago, 2001, I worked for a bank that had a > primary data center in Jersey City, NJ and a > secondary > data center in Manhattan, NYC. Several miles of > fiberconn connected the 2 data centers. EMC DASD > was > mirrored at both sites. Both OS/390 and AIX 4.3.3 > machines were supported. Failover worked quite well > - > the solution was without significant performance > impact. > I'm not sure that the solution that you're > attempting to implement will perform well over 3k > miles. What kind of DASD solution are you > employing? > What vendor/product? Do you have databases that are > being replicated across both sites as well? > Lemmeknow, > Chris > > Instructions for managing your mailing list > subscription are provided in > the Listserv General Users Guide available at > http://www.lsoft.com > Archive: http://vm.akh-wien.ac.at/MQSeries.archive > Instructions for managing your mailing list subscription are provided in the Listserv General Users Guide available at http://www.lsoft.com Archive: http://vm.akh-wien.ac.at/MQSeries.archive
