Error handling

This chapter provides information on the reporting and handling of errors that occur in connection with a cache area created by means of DAB commands.

The following error situations may arise during operation of a cache area:

• failure of the connection between server and buffered external volume; write data still in the cache cannot be written to disk.

• disk error affecting the supported data areas; write data still in the cache cannot be written to disk.

• cache memory error; no further data can be read from the cache medium; any write data still in the cache and not yet saved to disk is lost (unless duplicate data is maintained in GS).