VMware 1003564 Investigating disk space on an ESX or ESXi host

http://kb.vmware.com/selfservice/microsites/search.do?cmd=displayKC&externalId=1003564

Tips to check where your ESX/ESXi disk space has gone.  This stemmed from not able to apply patches with Update Manager, due to lack of disk space.

Some key commands:
df -h
  shows storage devices with percent used
du -cshP /vmimages /var/core /root /var/log
  shows space used by each of these folders
find / -size +100M -exec du -h {} \; | less
  shows files larger than 100 MB
tar czvf /tmp/vmkwarning-logs.tgz /var/log/vmkwarning*
tar czvf /tmp/vmkernel-logs.tgz /var/log/vmkernel.*
tar czvf /tmp/messages-logs.tgz /var/log/messages.*
  tar commands to compress old log files