http://dacxzjk3kq5mmepbdd3ai2ifynlzxsnpl2cnkfhridqfywihrfftapid.onion/help/administration/redis/replication_and_failover.md
redis [ 'master_password' ] = 'redis-password-goes-here'
## A list of sentinels with `host` and `port`
gitlab_rails [ 'redis_sentinels' ] = [
{ 'host' => '10.0.0.1' , 'port' => 26379 },
{ 'host' => '10.0.0.2' , 'port' => 26379 },
{ 'host' => '10.0.0.3' , 'port' => 26379 }
]
# gitlab_rails['redis_sentinels_password'] = 'sentinel-password-goes-here' # uncomment and set it to the same value as in sentinel['password']
...