Path: news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail From: Marc Van Dyck Newsgroups: comp.os.vms Subject: Re: Upcoming time boundary events Date: Tue, 03 Jun 2025 10:25:11 +0200 Organization: A noiseless patient Spider Lines: 29 Message-ID: References: <100fp4v$1nmtf$1@dont-email.me> <100omli$3t023$1@dont-email.me> <100qdop$6q13$1@dont-email.me> <100qg5t$3jb0$1@dont-email.me> <1014ad8$2jurh$1@dont-email.me> <101dnbj$omrq$1@dont-email.me> <101f0ei$1568p$1@dont-email.me> <101k5v2$39d9f$2@dont-email.me> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-15"; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Tue, 03 Jun 2025 10:25:13 +0200 (CEST) Injection-Info: dont-email.me; posting-host="ff3769e30ef409e311e6b44b6cc34c28"; logging-data="4103182"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+hbbgduYX7s++3EaMy7FKx" Cancel-Lock: sha1:ZGQNvtlEYWGY7PXLlmYHGBeNIec= X-Newsreader: MesNews/1.08.06.00-gb X-Face: #0?irvdFiM!(Tpl}/tO%_kuSW_^9G5aeIEnY1uNPcd@N_U.B30\*[%N-cnqSC,rEfeq\m:b oR({RM{x03]Iv}^2xc7\J][^MkbL3DYdLevZ$&h0WbH!i:>O1i#FLy/mO2G~xMF *uQnfN4xre8v9%0fqg;i.!ymm~6w2nEx);Q~Q*8&dUO(fn Arne Vajhøj expressed precisely : > On 6/2/2025 4:34 AM, Marc Van Dyck wrote: >> Arne Vajhøj has brought this to us : >>> But again my impression is that often the VMS systems are in same >>> server room and no routing required. >> >> Several OpenVMS systems today are used in disaster-tolerant >> configurations. That implies at least two different locations. > > True. > > But at the risk of sounding like a broken record, that is also > something I got the impression is getting rarer. > > But I don't know. > > How many multi-site VMS clusters do you know? > > Arne At least the one that I was in charge of before I retired last year. Two sites, 3 main applications, 3 production clusters, 3 other ones on a distant site for disaster tolerance, 3 test systems, one for development, two clusters for system management, and two for system testing/crash & burn activities. FC storage with asynchronous long distance replication. Backups on shared robots. Lots of fun... -- Marc Van Dyck