Re: version 11 in plae upgrade and HDR

Hey, Dave, if you're out there can you answer this? I'm really intersted in understanding your original reply. cheers "Neil Truby" <neil.truby@ardenta.com> wrote in message news:839jjeFgheU1@mid.individual.net... > > <david@smooth1.co.uk> wrote in message > news:21f17bed-0c3a-4311-a7d5-ec3a0f09acdc@g30g2000yqc.googlegroups.com... > On 20 Apr, 14:13, "Neil Truby" <neil.tr...@ardenta.com> wrote: >> "Nick Lello" <nick.le...@rentrakmail.com> wrote in message >> >> news:mailman.140.1271749880.1071.informix-list@iiug.org... >> This is totally unsupported; but we managed to upgrade from 10.0.fc6 to >> 11.10.fc1 about 6 months ago in a similar situation (wide-area hdr, >> database >> too big to archive/restore over the network). >> >> >> Here's what we did:- >> >> All threads off, take both engines to quiescent mode >> Shutdown primary; onmode -yuck >> Shutdown secondary; onmode -yk >> Get the new Informix software in place on both servers (we have >> $INFORMIXDIR >> pointing to a symbolic link so we can upgrade easily) >> Bring up the primary -- allow all upgrade activity to complete >> Bring up the secondary --- internal upgrade processes + updated pages >> spooled through HDR appeared to perform the upgrade cleanly >> >> >> I'll repeat, IBM in no way sanctioned or supported upgrading the HDR >> >> pair >> >> in this manner; we did this out of desperation to get the upgrade >> >> completed. >> >> That's interesting. In depsperation, we might need to do this too ... > > This should be even easier using external backup and restore to > initiate HDR. > > http://publib.boulder.ibm.com/infocenter/idshelp/v10/index.jsp?topic=/com.ibm.bar.doc/barmst184.htm > >>> 1. Create a third mirror for the primary at the secondary site (resync > might take several days - fine) > > What kind of a mirror? A SAN replication mirror (in our case, replicating > via 2Mbs IP from London to Sydney)? > Or, am I misunderstanding (probably!) ...? > > thanks >