[CASSANDRA-10243] Warn or fail when changing cluster topology live

• Type: Improvement
• Status: Resolved
• Priority: Urgent
• Resolution: Fixed
• Fix Version/s: 2.1.12, 2.2.4, 3.0.1, 3.1, 3.2
• Component/s: Legacy/Tools
• Assignee: Stefania Alborghetti
• Reporter: Jonathan Ellis

Authors

Stefania Alborghetti

Reviewers

Paulo Motta

• Created: 01/Sep/15 20:49
• Updated: 16/Apr/19 09:30
• Resolved: 02/Dec/15 13:23

Description

Moving a node from one rack to another in the snitch, while it is alive, is almost always the wrong thing to do.

Issue Links

• is related to: CASSANDRA-9474 Validate dc information on startup
• is related to: CASSANDRA-10242 Validate rack information on startup
• links to: 2.1 patch
• links to: dtests