SQL Server has encountered 22953 occurrence(s) of I/O requests taking longer than 15 seconds to complete on file [H:\MSSQL10_50.MSSQLSERVER\MSSQL\Data\xxxxxxxxx.MDF] in database [CORETABLES_PROD] (6). The OS file handle is 0x0000000000000DE4. The offset of the latest long I/O is: 0x000000d152a000

22953 code is for "Could not remove Change Data Capture metadata for capture instance ‘%s’ and source table ‘%s.%s’. Refer to previous errors in the current session to identify the cause and correct any associated problems."

for more detail please check below mentioned url:

http://sqlserverlearner.com/sql-server-error-list/sql-server-error-messages-list-22000-to-39000

Regards,