Generated vm-support file is more than 10GB.
VMware vSAN
The number of files to be rotated for vsantraces is configured to be a large number.
# esxcli vsan trace get
:::
VSAN Traces Directory: /vsantraces
Number Of Files To Rotate: 512 ###<- 8 is the default value
Maximum Trace File Size: 45 MB
:::Reduce the number of files to be rotated for vsantraces to default size 8 using "esxcli vsan trace set -f 8" command.