private BackupStatus backupMember() {
    return new BackupOperation(getCache().getDistributionManager(), getCache())
        .backupAllMembers(backupBaseDir.toString(), null);
  }
Test what happens when we restart persistent members while there is an accessor concurrently
performing puts.
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/backup/BackupDistributedTest.java