int requiredSchemaVersion = folder.getLatestVersion();
if (installedSchemaVersion < requiredSchemaVersion) {
log.warn("Storage cluster schema version:" + installedSchemaVersion + ". Required schema version: "
+ requiredSchemaVersion + ". Please update storage cluster schema version.");
throw new InstalledSchemaTooOldException();
}
if (installedSchemaVersion > requiredSchemaVersion) {
log.error("Storage cluster schema version:" + installedSchemaVersion + ". Required schema version: "
+ requiredSchemaVersion