Files
scylladb/test/cluster/dtest
Evgeniy Naydanov a9da14be19 test: dtest: reproducer for parallel rebuild failure
2-DC cluster parallel non-RBNO rebuild failure when expanding RF in DC2.

Steps to reproduce:
    1. Provision a cluster with 2 datacenters and at least 2 nodes in the second datacenter.
    2. Let’s assume datacenter names are "dc1" and "dc2".
    3. Create a keyspace ("keyspace1") with RF=0 in dc2.
    4. Populate some data into dc1.
    5. Change keyspace1 replication in dc2 to 2.
    6. On 2 nodes in dc2 run the following command in parallel:
         nodetool rebuild --source-dc dc1

Parallel execution of rebuilds is not possible with RBNO enabled.

This test is the repro for #27804

Closes scylladb/scylladb#27747
2026-01-08 21:55:18 +02:00
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