4.6. 执行数据库完整性检查

流程

1. 可选：列出实例的后端数据库：

   # dsconf <instance_name> backend suffix list
   dc=example,dc=com (userRoot)

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2. 停止实例：

   # dsctl <instance_name> stop

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3. 验证数据库。例如，要验证 userRoot 数据库，请输入：

   # dsctl <instance_name> dbverify userRoot
   [04/Feb/2022:13:11:02.453624171 +0100] - INFO - ldbm_instance_config_cachememsize_set - force a minimal value 512000
   [04/Feb/2022:13:11:02.465339507 +0100] - WARN - ldbm_instance_add_instance_entry_callback - ldbm instance userroot already exists
   [04/Feb/2022:13:11:02.468060144 +0100] - ERR - ldbm_config_read_instance_entries - Failed to add instance entry cn=userroot,cn=ldbm database,cn=plugins,cn=config
   [04/Feb/2022:13:11:02.471079045 +0100] - ERR - bdb_config_load_dse_info - failed to read instance entries
   [04/Feb/2022:13:11:02.476173304 +0100] - ERR - libdb - BDB0522 Page 0: metadata page corrupted
   [04/Feb/2022:13:11:02.481684604 +0100] - ERR - libdb - BDB0523 Page 0: could not check metadata page
   [04/Feb/2022:13:11:02.484113053 +0100] - ERR - libdb - /var/lib/dirsrv/slapd-instance_name/db/userroot/entryrdn.db: BDB0090 DB_VERIFY_BAD: Database verification failed
   [04/Feb/2022:13:11:02.486449603 +0100] - ERR - dbverify_ext - verify failed(-30970): /var/lib/dirsrv/slapd-<instance_name>/db/userroot/entryrdn.db
   dbverify failed

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4. 如果验证过程报告了任何问题，请手动修复或恢复备份。

5. 启动实例：

   # dsctl <instance_name> start

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