control file sequential read

control file sequential read

Reading from the control file. This happens in many cases. For example, while:

Making a backup of the control files

Sharing information (between instances) from the control file

Reading other blocks from the control files

Reading the header block

Wait Time: The wait time is the elapsed time of the read

Parameter	Description
file#	The control file from which the session is reading
block#	Block number in the control file from where the session starts to read. The block size is the physical block size of the port (usually 512 bytes, some UNIX ports have 1 or 2 Kilobytes).
blocks	The number of blocks that the session is trying to read