You will need a system that can "sync" between JIRA systems. There are none built into JIRA, so you will need to write one for yourself, or better, have a look in the marketplace for add-ons to handle it.
https://marketplace.atlassian.com/search?product=jira&query=synchronize will get you a list, but you will want to narrow it down more (as it's showing things other than jira to jira)
Statuspage customers logged more than 194 years of collective incidents in 2018. That’s a whopping 87% increase from the 104 years logged in 2017 , and we aren’t even through December yet....
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