Hello folks,
We started having issues with our main application last week. Some users started getting error message 823 and a connection failure. I checked Event Viewer and found event 823. I ran DBCC CHECKDB(dbname) WITH NO_INFOMSGS and got the following output:
Msg 8921, Level 16, State 1, Line 1
Check terminated. A failure was detected while collecting facts. Possibly tempdb out of space or a system table is inconsistent. Check previous errors.
Msg 823, Level 24, State 2, Line 1
The operating system returned error 1(Incorrect function.) to SQL Server during a read at offset 0x000005a4412000 in file 'E:\Program Files (x86)\Microsoft SQL Server\MSSQL.1\MSSQL\Data\dbname_data.mdf:MSSQL_DBCC15'. Additional messages in the SQL Server error log and system event log may provide more detail. This is a severe system-level error condition that...