Posted by Erland Sommarskog on 01/13/06 00:55

NiponW (niponw@yahoo.com) writes:
> I 'm using SQL Server 2000 Enterprise Edition in Windows 2000 Sever
> box.
>
> Now , message
>
> "SQL Server has encountered 1 occurrence(s) of IO requests taking
> longer than 15 seconds to complete on file [D:\DATABASE\xxxxxx.MDF] in
> database [aaaaaaa] (7). The OS file handle is 0x00000354. The offset
> of the latest long IO is: 0x00000086692000"
>
> has occasionally occurred during a scheduled task of reorganize data
> and index pages of
> database maintenance plan.
>
> The scheduled task is running every day started at 1:00 am and the
> message occurs during
> no users have connected to the DB.
>
> Please kindly explain what the message is about and how to prevent it
> to occurred if it is
> serious

This is a diagnostic message, that indeed may indicate that things are
not really up to shape. But if it occurs only occasionally, I would not
take any action now more than to continue to monitori the situation.

You can read more in this KB article:
http://support.microsoft.com/?kbid=897284


--
Erland Sommarskog, SQL Server MVP, esquel@sommarskog.se

Books Online for SQL Server 2005 at
http://www.microsoft.com/technet/prodtechnol/sql/2005/downloads/books.mspx
Books Online for SQL Server 2000 at
http://www.microsoft.com/sql/prodinfo/previousversions/books.mspx

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