v1.17: Improves error text when snapshot intervals are incompatible (…

…backport of #33551) (#33562)

(cherry picked from commit 35a0295)

Co-authored-by: Brooks <brooks@solana.com>

validator/src/cli.rs

@@ -468,7 +468,8 @@ pub fn app<'a>(version: &'a str, default_args: &'a DefaultArgs) -> App<'a, 'a> {
                 .value_name("NUMBER")
                 .takes_value(true)
                 .default_value(&default_args.full_snapshot_archive_interval_slots)
-                .help("Number of slots between generating full snapshots")
+                .help("Number of slots between generating full snapshots. \
+                    Must be a multiple of the incremental snapshot interval.")
         )
         .arg(
             Arg::with_name("maximum_full_snapshots_to_retain")

validator/src/main.rs

@@ -1588,17 +1588,14 @@ pub fn main() {
         validator_config.accounts_hash_interval_slots,
     ) {
         eprintln!("Invalid snapshot configuration provided: snapshot intervals are incompatible. \
-            \n\t- full snapshot interval MUST be a multiple of accounts hash interval (if enabled) \
-            \n\t- incremental snapshot interval MUST be a multiple of accounts hash interval (if enabled) \
+            \n\t- full snapshot interval MUST be a multiple of incremental snapshot interval (if enabled) \
             \n\t- full snapshot interval MUST be larger than incremental snapshot interval (if enabled) \
             \nSnapshot configuration values: \
             \n\tfull snapshot interval: {} \
-            \n\tincremental snapshot interval: {} \
-            \n\taccounts hash interval: {}",
+            \n\tincremental snapshot interval: {}",
             if full_snapshot_archive_interval_slots == DISABLED_SNAPSHOT_ARCHIVE_INTERVAL { "disabled".to_string() } else { full_snapshot_archive_interval_slots.to_string() },
             if incremental_snapshot_archive_interval_slots == DISABLED_SNAPSHOT_ARCHIVE_INTERVAL { "disabled".to_string() } else { incremental_snapshot_archive_interval_slots.to_string() },
-            validator_config.accounts_hash_interval_slots);
-
+        );
         exit(1);
     }