How to get a live VMkernel core dump

## Livedump 생성

[root@mgmtesxi01:~] localcli --plugin-dir /usr/lib/vmware/esxcli/int debug livedump perform

 

## Dump Partition 확인

[root@mgmtesxi01:~] esxcfg-dumppart -l VM Kernel Name                                                                                          Console Name                                 Is Active   Is Configured /vmfs/volumes/6322a2fe-1d890c90-a1f8-005056b60748/vmkdump/CE6A3642-8D77-454A-92B2-4EA803520AAD.dumpfile                                              yes         yes

 

## Dump 복사

[root@mgmtesxi01:~] esxcfg-dumppart esxcfg-dumppart <options> [<partition>] ... -C|--copy             Copy a dump file from the dump partition:                       -D --devname /vmfs/devices/disks/<partition name>                       -D --devname active (use active dump partition)                       -z --zdumpname outputName (optional)                       -n --newonly (optional)                       -o --slot slotnum (optional)                       -Z --slot-size size in MB (optional)                       -U --unqualified-dev (FOR INTERNAL USE ONLY)   [root@mgmtesxi01:~] esxcfg-dumppart -C -D active Created file /scratch/core/vmkernel-zdump.1

 

## 수집된 Dump 확인

[root@mgmtesxi01:~] ls /scratch/core vmkernel-zdump.1