OSI/AS SCF Reference Manual

Table Of Contents
OSI/AS Trace Facility
OSI/AS SCF Reference Manual424121-001
3-32
CLOSE Request
Req Type
shows the type of I/O request, where the following Guardian procedure values are
possible:
Fn
shows the file number on which the I/O request was initiated. Note, APS
communicates with processes via file number 0.
Tag
shows the file-system tag associated with the I/O request. When an I/O completes,
the file-system returns the tag which is then matched with list of outstanding I/Os.
ReadCount
shows the size of the read buffer involved in the I/O operation. This is the maximum
number of bytes that can be read.
WriteCount
shows the size of the write buffer involved in the I/O operation. This is the actual
number of bytes that was written.
FE
shows the file-system error returned by the Guardian procedure which initiates the
I/O request. For possible values, see the System Procedure Errors and Messages
Manual.
CLOSE Request
This trace record is for Compaq internal use and is generated by the OSI manager or
TAPS process immediately after it validates and processes a close system-message.
Reply Error
shows the file-system error returned to the process that issued the close system-
message. For possible values, see the System Procedure Errors and Messages
ReadUpdateX
ReadX
ReplyX
WriteX
WriteReadX
08:20:09.620 >000.000 #1172 CLOSE Req
Reply Error: 0