处理OLAP项目时的校验和错误错误
我们在夜间设置了几个工作,这些工作正在处理我们的OLAP项目。在过去的几周中,几次发生了以下错误:
处理[项目名称]:错误:OLE DB错误:OLE DB或ODBC错误:SQL Server检测到基于逻辑一致性的I/O错误:错误:不正确的校验和(预期:0x6D444444F7;实际:0xF3331A6F0)。它发生在数据库ID 2的第(9:3591725)的读取期间,在offset 0x000006d9c5a000 in file'd:\ mssql15.msssqlserver \ mssql \ mssql \ mssql \ data \ temp8.ndf'[...]
...当然,校验和临时文件的值不同。 这个问题完全随机发生,我们真的无法理解原因。我们的服务器位于数据中心,因此我们不能在硬件检查方面做很多事情。 tempdb数据库的dbcc checkdb当早上运行时 - 当然 - 什么都没有。 关于OLAP处理,我还没有在网上偶然发现有关此问题的任何文章。您至少可以将我指向某个方向,以便我可以找出OLAP处理如何使用TEMPDB数据库和文件,该可能的原因是什么,以及如何防止它再次发生?
We have a couple of jobs set up during the night which are processing our OLAP projects. A couple of times in the past few weeks the following error has occurred:
Processing [project name]:Error: OLE DB error: OLE DB or ODBC error: SQL Server detected a logical consistency-based I/O error: incorrect checksum (expected: 0x6d4444f7; actual: 0xf331a6f0). It occured during a read of page (9:3591725) in database ID 2 at offset 0x000006d9c5a000 in file 'D:\MSSQL15.MSSQLSERVER\MSSQL\DATA\temp8.ndf' [...] HY000.
...with, of course, different values for checksums, pages and temp files.
The problem happens completely at random and we can't really figure out the cause. Our servers are on a data centre so we can't really do much in the way of hardware checks. DBCC CHECKDB of the tempdb database when run in the morning returns - of course - nothing.
I haven't stumbled across any of the articles online about this problem with regards to OLAP processing. Could you at least point me in some direction so I could find out how does OLAP processing use tempdb databases and files, what could a potential cause for this be and what steps to take to prevent it from occuring again?
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