When a node panics, a core dump occurs and the system creates a core dump file that technical support can use to troubleshoot the problem. You can configure or display core dump attributes. You can also save, display, segment, upload, or delete a core dump file.
You can manage core dumps in the following ways:
Core dump files and reports are stored in the /mroot/etc/crash/ directory of a node. You can display the directory content by using the system node coredump commands or a web browser.
Data ONTAP prevents you from initiating the saving of a core dump file during a takeover, an aggregate relocation, or a giveback.
A core dump file can be very large and time-consuming to upload. You must not further compress a core dump file. However, you can segment the file in the following ways: