To obtain kernel dumps of Linux™ on z Systems™ instances, you
can use the tools described, for example, kdump or VMDUMP. You can
use DASD, tape, or SCSI dump devices.
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 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 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.