In this blog post, let’s learn about the error message “155 ISAM error: Primary and Mirror chunks are bad.” in Hydra and the description of the error.
Error Message
155 ISAM error: Primary and Mirror chunks are bad.
Error Details
The ISAM processor has been asked to lock or unlock the current file (table), but the file was not opened in the appropriate mode. For C-ISAM programs, review the uses of isopen, and make sure that the ISMANULOCK flag is passed when the program opens a table for manual locking. If the error recurs, please note all circumstances and contact Informix Technical Support.