Avamar SQL 群集备份失败并显示日志间隙和Sqlmeta.xml文件

Summary: Avamar SQL 群集备份因日志间隙和sqlmeta.xml文件而失败

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Symptoms

SQL 群集或 SQL AG 的 SQL 增量备份失败,并显示以下错误:

Line 542: 2019/12/05-16:49:56.85100 [avsql_assist]  avspawn::run_and_wait back from wait error_num:536870919 wait_error:0
	Line 547: 2019-12-05 17:49:56 avsql Warning <7427>: Error loading SQL metadata
	Line 555: avtar Error <5195>: Path ".system_info\sqlmeta" not found in backup. (Element 'sqlmeta' at position 1 in search path '.system_info\sqlmeta' not found)
	Line 634: 2019-12-05 17:49:57 avsql Error <40418>: Skipping database 'sql-listener\VIEWSQL/viewupdmgr' due to the following reason: A log gap was identified or a full backup was not found.
	Line 755: 2019/12/05-16:50:04.42799 [avsql_assist]  avspawn::run_and_wait back from wait error_num:536870919 wait_error:0
	Line 755: 2019/12/05-16:50:04.42799 [avsql_assist]  avspawn::run_and_wait back from wait error_num:536870919 wait_error:0
	Line 762: 2019-12-05 17:50:04 avsql Warning <7427>: Error loading SQL metadata
	Line 770: avtar Error <5195>: Path ".system_info\sqlmeta" not found in backup. (Element 'sqlmeta' at position 1 in search path '.system_info\sqlmeta' not found)
	Line 849: 2019-12-05 17:50:05 avsql Error <40418>: Skipping database 'sql-listener\VIEWSQL/viewevent' due to the following reason: A log gap was identified or a full backup was not found.

 

Cause

日志间隙问题是由于无法从以前的 SQL 备份中读取 sqlmeta.xml 文件导致的,备份将失败并未找到sqlmeta.xml。

 

Resolution

检查以下步骤:

  1. 创建“c:\temp”(如果不存在),以管理员身份运行,同时在主 SQL 节点上的 Avamar BIN 文件夹中执行 cd:

    avtar --list --debug --server=<Avamar_server> --id=MCUser --ap=MCUser_password --path=<path_to_client> --labelnum="91631" --noinfo --noconfig --logfile=c:\temp\backup_list.log
    提醒:--labelnum=“91631” 是备份标签号。
  2. 检查上述命令的输出中是否存在sqlmeta.xml文件。

    如果文件存在,则尝试使用以下命令从备份还原“.system_info”:

    avtar -x --debug --server=<Avamar_server> --id=MCUser --ap=MCUser_password --path=<path_to_client> --labelnum="91631" --noinfo --noconfig ".system_info" --target=c:\temp\ --logfile=c:\temp\system_info.log --internal
  3. 如果备份标签(上面)中不存在sqlmeta.xml文件,请尝试以下步骤:

    • 检查 cluster/shared var 目录中是否有任何sqlmeta.xml文件,如果该文件存在,则删除文件或将文件移至其他位置。
    • 删除/移动文件后,执行完整备份,然后执行增量备份。
    • 运行完整备份后接增量备份可确保创建新的 sqlmeta.xml 文件。

 

Additional Information

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Affected Products

Avamar

Products

Avamar
Article Properties
Article Number: 000057398
Article Type: Solution
Last Modified: 22 مايو 2026
Version:  6
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