2.6. 验证后端数据库的完整性
dsctl dbverify 命令可让管理员验证后端数据库的完整性。例如，验证
userroot 数据库：
- 另外，还可列出实例的后端数据库：
# dsconf -D "cn=Directory Manager" ldap://server.example.com backend suffix list dc=example,dc=com (userroot)稍后的步骤需要数据库的名称。 - 停止 Directory 服务器实例：
# dsctl instance_name stop
- 验证数据库：
# dsctl instance_name dbverify userroot [04/Feb/2020:13:11:02.453624171 +0100] - INFO - ldbm_instance_config_cachememsize_set - force a minimal value 512000 [04/Feb/2020:13:11:02.465339507 +0100] - WARN - ldbm_instance_add_instance_entry_callback - ldbm instance userroot already exists [04/Feb/2020:13:11:02.468060144 +0100] - ERR - ldbm_config_read_instance_entries - Failed to add instance entry cn=userroot,cn=ldbm database,cn=plugins,cn=config [04/Feb/2020:13:11:02.471079045 +0100] - ERR - bdb_config_load_dse_info - failed to read instance entries [04/Feb/2020:13:11:02.476173304 +0100] - ERR - libdb - BDB0522 Page 0: metadata page corrupted [04/Feb/2020:13:11:02.481684604 +0100] - ERR - libdb - BDB0523 Page 0: could not check metadata page [04/Feb/2020:13:11:02.484113053 +0100] - ERR - libdb - /var/lib/dirsrv/slapd-instance_name/db/userroot/entryrdn.db: BDB0090 DB_VERIFY_BAD: Database verification failed [04/Feb/2020:13:11:02.486449603 +0100] - ERR - dbverify_ext - verify failed(-30970): /var/lib/dirsrv/slapd-instance_name/db/userroot/entryrdn.db dbverify failed
- 如果验证过程报告任何问题，请手动修复或恢复备份。
- 启动 Directory 服务器实例：
# dsctl instance_name start
