To obtain kernel dumps of IBM® Z instances, you can
use the tools described, for example, kdump or VMDUMP. You can use DASD, tape, or SCSI dump
devices.
What's new for SUSE Linux Enterprise Server 15 SP5 PDF file for Using the Dump Tools on SUSE Linux Enterprise Server Planning for dumps Using kdump SUSE Linux® Enterprise Server .Using a DASD dump device stand-alone DASD dump tool and perform the dump process. Then, copy the dump to a file in a Linux file system.Using DASD devices for multi-volume dump Using a tape dump device channel-attached tape as a dump device. To use a tape, you need to install the stand-alone tape dump tool and perform the dump process. Then, copy the dump to a file in a Linux® file system.Using a SCSI disk dump device stand-alone SCSI dump tool, perform the dump process, and copy the dump to a file in a Linux file system.Using an NVMe disk dump device Linux® file system.Using virsh dump to create dumps on KVM hosts virsh dump command writes KVM guest dumps to a file in the KVM host file system.Creating dumps on z/VM with VMDUMP Creating live-system dumps with zgetdump Processing dumps Obtaining a dump with limited size mem kernel parameter can make Linux® use less memory than is available to it. A dump of such a Linux® system does not need to include the unused memory. You can use the zipl command with the size option to limit the amount of memory that is dumped.Command summary SUSE Linux® Enterprise Server . For a full description see the man pages.Installing the DASD or SCSI dump tool with YaST YaST tool.