I'm new to SQL server I'm trying to figure out if there is anyway we can set max disk timeout? If not then where SQL server picks the disk time out values?

Yatindra Vaishnav 21 Reputation points

I see MSSQL Server event ID 833 which is BUF_LONG_IO and indicating that SQL Server sees the IOs taking 15Seconds (ref: https://learn.microsoft.com/en-us/sql/relational-databases/errors-events/mssqlserver-833-database-engine-error?view=sql-server-ver15 ). And then I see the event ID 845 which idicate that the which is BUFLATCH_TIMEOUT (reference :

I appreciate the replies in advance.

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  1. CarrinWu-MSFT 6,866 Reputation points

    Hi @Yatindra Vaishnav ,

    Unfortunately, there is no way to change SQL Server picks the disk timeout values. We can change some timeout values for remote login or query for current server, please refer to sp_configure (Transact-SQL). Hope it well help your learning.

    Best regards,

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  2. Yatindra Vaishnav 21 Reputation points

    Thanks Tom and Carrin, for your answers I'm developing my disk driver and that is where I'm getting these event logs.

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