thanks for the clarification LJ
On 17 July 2013 18:52, Longwing, Lj <llongw...@usgs.gov> wrote: > ** > No, not a risk. The approach taken was such that 'non-admin' nodes could > drop out and come back on and still get the 'old' cache, essentially, both > the old and the new existed in the db at the same time, which makes this > approach 'better' than approaches that other companies/organizations where > they relied on the other nodes not going down and just working out of their > 'cache in memory' type things....those were also limited to not being able > to delete columns, because a delete on the admin would in that case break > the other nodes...this was a fully functional 'copy' > > > On Wed, Jul 17, 2013 at 12:26 AM, Karthik <karthik...@gmail.com> wrote: > >> ** >> LJ, >> >> If for some reason, a non admin server decides to go down for unknown >> reasons, then it would recache definitions from DB right. That way this >> approach would be a risk. Any thoughts? >> >> - Karthik >> >> >> On 16 July 2013 22:37, Longwing, Lj <llongw...@usgs.gov> wrote: >> >>> ** >>> Brian, >>> It was actually really cool to watch the demo, they had it fully >>> functional. You needed a server group, you make all of your changes, all >>> of them, to include deleting columns, etc. You can connect to the admin >>> server in the server group to see the changes, work with the new workflow, >>> everything...the users remain on the other node(s) of the server group and >>> never see the changes...everything stored in the same db...then when all of >>> your functional testing is done you literally 'flip a switch' and the other >>> nodes in the server group arsignal, get the new cache, and it's 'in prod' >>> >>> At that point all that is needed I believe was a Mid-Tier cache flush, >>> and the users were using the new forms/workflow 'in an instant'... >>> >>> You of course still need all of your planning, testing, etc...but the >>> zero down time part was for the user. All of the work could be done during >>> business hours, no late night, evening, weekend work to get the new code in >>> place...it can all be done next to the current stuff...it was an amazing >>> demo. >>> >>> >>> On Tue, Jul 16, 2013 at 10:14 AM, Brian Pancia <panc...@finityit.com>wrote: >>> >>>> Zero downtime. Now that is funny. It may be possible with months of >>>> planning, but more than likely you will still have some amount of downtime. >>>> >>>> -----Original Message----- >>>> From: Action Request System discussion list(ARSList) [mailto: >>>> arslist@ARSLIST.ORG] On Behalf Of teresa S Fannin >>>> Sent: Tuesday, July 16, 2013 11:57 AM >>>> To: arslist@ARSLIST.ORG >>>> Subject: Re: 7.6.04 Upgrade to 8.1 >>>> >>>> There was that discussion at last year's rug where they pointed >>>> production to their failover area. Did the upgrade in production while >>>> everyone worked from the failover area and then switched back when the >>>> upgrade was complete. More steps than this but you get the idea. >>>> Teresa >>>> >>>> -----Original Message----- >>>> From: Action Request System discussion list(ARSList) [mailto: >>>> arslist@ARSLIST.ORG] On Behalf Of Hulmes, Timothy CTR MDA/ICTO >>>> Sent: Tuesday, July 16, 2013 10:49 AM >>>> To: arslist@ARSLIST.ORG >>>> Subject: Re: 7.6.04 Upgrade to 8.1 >>>> >>>> The only zero down time upgrade I am aware of is to not upgrade. >>>> >>>> Tim >>>> >>>> >>>> -----Original Message----- >>>> From: Action Request System discussion list(ARSList) [mailto: >>>> arslist@ARSLIST.ORG] On Behalf Of Tom Shurmur >>>> Sent: Tuesday, July 16, 2013 9:38 AM >>>> To: arslist@ARSLIST.ORG >>>> Subject: Re: 7.6.04 Upgrade to 8.1 >>>> >>>> ** >>>> Well, that is a bummer. But it's a cool idea if it ever comes fruition. >>>> >>>> Thank you all for you help. >>>> >>>> Tom >>>> ________________________________ >>>> >>>> From: Rick Cook <remedyr...@gmail.com> >>>> To: arslist@ARSLIST.ORG >>>> Sent: Tuesday, July 16, 2013 11:30 AM >>>> Subject: Re: 7.6.04 Upgrade to 8.1 >>>> >>>> >>>> ** >>>> Well, either there is a huge conspiracy that involved wholesale changes >>>> to documents I read, or my memory is playing tricks on me. >>>> I'm going with the conspiracy. Nah, just kidding. Must have been >>>> something I inferred from the overlay enhancements in 8.1. Darn. >>>> Rick >>>> On Jul 16, 2013 6:38 AM, "Longwing, Lj" <llongw...@usgs.gov> wrote: >>>> >>>> >>>> ** >>>> can you point me to the URL that discusses 'zero downtime >>>> upgrades'? I know that 8.1 wasn't released at last years rug, it was just >>>> 8.0, but I know that after the RUG David posted an idea ( >>>> https://communities.bmc.com/ideas/1421) that is in a status of 'Under >>>> Consideration'....when they are available, it's changed to >>>> 'Delivered'....so all of the facts that I have currently available tell me >>>> that the demo we received last year isn't in a current code line...but if >>>> you could point me to docs to the contrary....I would love to see them. >>>> >>>> >>>> On Tue, Jul 16, 2013 at 7:14 AM, Rick Cook < >>>> remedyr...@gmail.com> wrote: >>>> >>>> >>>> ** >>>> Might want to check the 8.1 documentation on that, LJ. >>>> Rick >>>> On Jul 16, 2013 6:04 AM, "Longwing, Lj" < >>>> llongw...@usgs.gov> wrote: >>>> >>>> >>>> ** >>>> Rick, >>>> They were VERY careful to state at RUG last >>>> year that the code demonstrated was NOT in ANY code line available to the >>>> public....so no, it's NOT in 8.1, it is under consideration for a future >>>> release, but not in any currently available to the public release. >>>> >>>> >>>> On Mon, Jul 15, 2013 at 8:32 PM, Rick Cook < >>>> remedyr...@gmail.com> wrote: >>>> >>>> >>>> ** >>>> No, Tauf, they have the code in 8.1. >>>> But I don't think you can make that work unless you are upgrading FROM >>>> 8.1, not TO it. >>>> >>>> Rick >>>> On Jul 15, 2013 7:29 PM, "Tauf >>>> Chowdhury" <taufc...@gmail.com> wrote: >>>> >>>> >>>> ** >>>> Tom, >>>> If you're talking about the No >>>> Downtime session presented by BMC, it's not something that exists yet. It's >>>> something R&D is working on for the future. They wanted to see what kind of >>>> feedback that would have as sort of a litmus test. I could be wrong but >>>> that was my takeaway. Doug M was in that session and maybe he can go into >>>> more detail. >>>> >>>> Sent from my iPhone >>>> >>>> On Jul 15, 2013, at 8:57 PM, >>>> Tom Shurmur <tsrem...@yahoo.com> wrote: >>>> >>>> >>>> >>>> ** >>>> Howdy Listers, >>>> >>>> We are about to embark >>>> on upgrading from 7.6.04 to 8.1 on a windows platform using MS-SQL. Has >>>> anyone used the No Downtime Upgrade method that was presented at last >>>> year’s WWRUG to move from 7.6.04 to 8.1? If so, was it smooth or bumpy >>>> ride? >>>> >>>> We will be standing up >>>> a test system with 2 app VMs and a DB to test this approach. >>>> >>>> I look forward to your >>>> feedback >>>> >>>> Tom Shurmur >>>> Sr Remedy Developer >>>> Froedtert Health System >>>> _ARSlist: "Where the >>>> Answers Are" and have been for 20 years_ >>>> >>>> _ARSlist: "Where the Answers >>>> Are" and have been for 20 years_ >>>> >>>> _ARSlist: "Where the Answers Are" and >>>> have been for 20 years_ >>>> >>>> >>>> _ARSlist: "Where the Answers Are" and have been >>>> for 20 years_ >>>> >>>> _ARSlist: "Where the Answers Are" and have been for 20 >>>> years_ >>>> >>>> >>>> _ARSlist: "Where the Answers Are" and have been for 20 years_ >>>> >>>> _ARSlist: "Where the Answers Are" and have been for 20 years_ >>>> >>>> >>>> _ARSlist: "Where the Answers Are" and have been for 20 years_ >>>> >>>> >>>> _______________________________________________________________________________ >>>> UNSUBSCRIBE or access ARSlist Archives at www.arslist.org >>>> "Where the Answers Are, and have been for 20 years" >>>> >>>> >>>> _______________________________________________________________________________ >>>> UNSUBSCRIBE or access ARSlist Archives at www.arslist.org >>>> "Where the Answers Are, and have been for 20 years" >>>> >>>> >>>> _______________________________________________________________________________ >>>> UNSUBSCRIBE or access ARSlist Archives at www.arslist.org >>>> "Where the Answers Are, and have been for 20 years" >>>> >>> >>> _ARSlist: "Where the Answers Are" and have been for 20 years_ >>> >> >> >> >> -- >> - Karthik >> _ARSlist: "Where the Answers Are" and have been for 20 years_ >> > > _ARSlist: "Where the Answers Are" and have been for 20 years_ > -- - Karthik _______________________________________________________________________________ UNSUBSCRIBE or access ARSlist Archives at www.arslist.org "Where the Answers Are, and have been for 20 years"
