StorageTek 312564001 manual Explanation

Return code	Explanation
(hex value in
brackets)
21 (15)	No free tape reader task available to perform migrated row retrieval
	request, or task processing tape volume containing migrated row is
	currently at its maximum request level (as set by the MAXQLEN
	initialization parameter).
	If a non-zero value of the TAPEWAIT initialization parameter is
	specified, DB2 Manager will queue the request internally on receipt of
	this condition, until the request can be processed or until the time
	interval specified in the parameter has been exceeded, at which point
	a return code of 21 will be generated.
23 (17)	Abend condition intercepted during control region processing.
24 (18)	Control region failed to gain exclusive access to a serialized resource
	within a 1-minute time interval.
28 (1C)	Invalid Archive Manager database identifier specified in migrated row
	access request.
31 (1F)	Object containing migrated row not found in Archive Manager
	database.
64 (40)	An error has been received by a control region component when
	issuing an ALESERV macro, or the name of the DB2 Manager control
	region held in the ASCB stored with the request does not match that
	of the control region at start-up time
65 (41)	Request has been timed out by control region, because value
	specified in READTIMEOUT or WRITETIMEOUT initialization
	parameter has been exceeded.
87 (57)	Required Archive Manager database not connected on receipt of
	migrated row storage request.
88 (58)	Archive Manager database connection request received for database
	which is already connected for update processing. Only one update
	process may be executed against a single Archive Manager database
	at any one time.
94 (5E)	VSAM error received accessing primary index of Archive Manager
	database. Message OTD22011 or OTD26010 will be displayed by
	the control region giving the error and reason codes returned from
	VSAM.
97 (61)	VSAM error received opening primary index of Archive Manager
	database. Message OTD26010 will be displayed by the control
	region giving the error and reason codes returned from VSAM.
98 (62)	Internal error received during control region processing. Review
	other error messages issued by the control region for more
	information about the error condition.
99 (63)	Invalid request code received by control region.
170	DB2 Manager User Guide
	StorageTek Proprietary