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# citrix-vads
Slackbot
02/01/2023, 4:55 PMThis message was deleted.
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Nick Panaccio
02/01/2023, 6:14 PMI've worked in environments where you:
a) Have redundant everything in the same Citrix site, and use SQL clustering for the DBs; or
b) Have completely separate Citrix sites, both identical, and presented to the user via SF using site aggregation. Same as (a), but more flexible - especially for upgrades and outages
Nick Panaccio
02/01/2023, 6:15 PMPros and cons to both, but I'd choose option B every single time if given the choice.
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Chai
02/01/2023, 6:17 PMWhat if the site where the storefront is in, is crashed? Disaster recovery
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Nick Panaccio
02/01/2023, 6:17 PMFor option B, we'd have SF servers in both sites. Option A... if you're running multiple SF servers, shouldn't be a problem unless the entire site went down.
Nick Panaccio
02/01/2023, 6:18 PMOption A obviously has outage time associated with it, but if it's something like a DB restore, how long are we talking? Under an hour?
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Jarian Gibson
02/01/2023, 6:53 PMTypically mirror but also depends what’s being used for DR. For example might be a VPX vs physical NetScalers. Also separate sites vs single site. Which control plane is being used.
Jarian Gibson
02/01/2023, 6:54 PMYep also in site availability. No single component failure in production.
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James Kindon
02/01/2023, 8:57 PMRabbit hole of a conversation https://docs.citrix.com/en-us/tech-zone/design/design-decisions/cvad-disaster-recovery.html
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