ORA-27062: could not find pending async I/Os

Cause : There should have been some async I/Os in the system but a blocking aiowait indicates that there are no more I/Os. It could be either because of an Oracle bug or the vendor OS bug or due to a NFS server not responding

Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts

check Oracle trace file, OS message files and contact Oracle Support

update : 27-04-2017

ORA-27062 - could not find pending async I/Os
ORA-27062 - could not find pending async I/Os

  • ora-02770 : Total number of blocks is invalid
  • ora-01539 : tablespace 'string' is not online
  • ora-07656 : slsprom:$GETDVI failure
  • ora-02456 : The HASH IS column specification must be NUMBER(*,0)
  • ora-26022 : index string.string was made unusable due to:
  • ora-07825 : sspsck: $QIO failure at AST level
  • ora-24327 : need explicit attach before authenticating a user
  • ora-02161 : invalid value for MAXLOGFILES
  • ora-36678 : (XSDPART16) workspace object is missing from one or more partition dimension lists.
  • ora-12087 : online redefinition not allowed on tables owned by "string"
  • ora-16135 : Invalid LOG_ARCHIVE_CONFIG modification while in protected mode
  • ora-15168 : rolling downgrade prevented by string
  • ora-10617 : Cannot create rollback segment in dictionary managed tablespace
  • ora-14267 : cannot specify PARALLEL clause when adding a (Composite) Range partition
  • ora-29259 : end-of-input reached
  • ora-13705 : There was a instance shutdown/startup between the snapshots in the range [string, string].
  • ora-13002 : specified level is out of range
  • ora-13702 : Snapshot IDs specified by the range [string, string] are equal.
  • ora-09208 : sftcls: error closing file
  • ora-12822 : duplicate option in PARALLEL clause
  • ora-32164 : Method called on Invalid Connection type
  • ora-37151 : MDX parser initialization error
  • ora-24410 : scrollable cursor max size exceeded
  • ora-24030 : Only one of rule or rule-set must be specified
  • ora-31073 : Resource not retrieved using path name
  • ora-01036 : illegal variable name/number
  • ora-13034 : Invalid data in the SDO_ORDINATE_ARRAY in SDO_GEOMETRY object
  • ora-19816 : WARNING: Files may exist in string that are not known to database.
  • ora-32839 : property string is reserved, names with MGWPROP$_ prefix are not valid
  • ora-27142 : could not create new process
  • Oracle Database Error Messages

    Oracle Database High Availability Any organization evaluating a database solution for enterprise data must also evaluate the High Availability (HA) capabilities of the database. Data is one of the most critical business assets of an organization. If this data is not available and/or not protected, companies may stand to lose millions of dollars in business downtime as well as negative publicity. Building a highly available data infrastructure is critical to the success of all organizations in today's fast moving economy.

    Well, the reason for above error is that i have taken the above script from a 11g database and running it on 10g database. 11g has bring some changes in password management. Below code is executed on 11g and user created successfully, which is expected result.