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Merge PR #213: Update cosmoshub-2.md

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Chris Remus
2019-12-10 12:00:13 -05:00
committed by Alexander Bezobchuk
parent 9858aaaea3
commit 6e21ebe8c8
1 changed files with 2 additions and 0 deletions
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docs/migration/cosmoshub-2.md
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@@ -77,6 +77,8 @@ Prior to exporting `cosmoshub-2` state, validators are encouraged to take a full
export height before proceeding. Snapshotting depends heavily on infrastructure, but generally this
can be done by backing up the `.gaiacli` and `.gaiad` directories.
It is critically important to back-up the `.gaiad/data/priv_validator_state.json` file after stopping your gaiad process. This file is updated every block as your validator participates in a consensus rounds. It is a critical file needed to prevent double-signing, in case the upgrade fails and the previous chain needs to be restarted.
In the event that the upgrade does not succeed, validators and operators must downgrade back to
v0.34.6+ of the _Cosmos SDK_ and restore to their latest snapshot before restarting their nodes.