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List of VMDKs in vCenter Server 7.0 Appliance

Abhijeet D
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In vCenter Server Appliance 7.0, there are 16 VMDKs now. In  vCenter Server Appliance 6.7 version it was 13 disks. Additional 3 new disks in this release are as follow:
  • vTSDB Service Repository for stats
  • vTSDB Service Repository for logs
  • Lifecycle for binaries (install, update and upgrade).
There are multiple ways in which we can access information about disks. Below are some of the examples.
  • We can check usage from vimtop about disks, however vimtop does not show all disks.
  • Complete list of disks can be seen in Appliance VM edit settings as well.
  • You can check these disks from VAMI as shown in below screenshot.
  • We can use df -h command to retrieve disk information as shown below.
  • Another way to access this information is lsblk command on vCenter shell as shown below.

Below is the complete list of VMDKs along with their usages and mount points.

Note: 

Below sizes are application only for vCenter Server Appliance 7.0 with tiny specification and default size and hence will differ in your environment as per inventory specification.

  • VMDK1
    • Size:
      • 12 GB
    • Mount Points:
      • / (10GB)
      • /boot (132MB)
      • SWAP (1GB)
    • Usage:
      • Directory where the kernel images and boot loader configurations are stored.
  • VMDK2
    • Size:
      • 1.8 GB
    • Mount Point:
      • /tmp
    • Usage:
      • Directory used to store temporary files generated or used by services from vCenter Server
  • VMDK3
    • Size:
      • 25 GB
    • Mount Point:
      • SWAP
    • Usage:
      • Directory used when the system is out of memory to swap to disk
  • VMDK4
    • Size:
      • 25 GB
    • Mount Point:
      • /storage/core
    • Usage:
      • Directory where core dumps from VPXD process from the vCenter Server are stored
  • VMDK5
    • Size:
      • 10 GB
    • Mount Point:
      • /storage/log
    • Usage:
      • Directory where vCenter Server and Platform Services Controller store all logs for the environment
  • VMDK6
    • Size:
      • 10 GB
    • Mount Point:
      • /storage/db
    • Usage: 
      • VMware Postgres database storage location
  • VMDK7
    • Size: 
      • 5 GB
    • Mount Point:
      • /storage/dblog
    • Usage:
      • VMware Postgres database logging location
  • VMDK8
    • Size:
      • 10 GB
    • Mount Point:
      • /storage/seat
    • Usage:
      • Stats, Events, Alarms and Tasks (SEAT) directory for VMware Postgres
  • VMDK9
    • Size:
      • 1 GB
    • Mount Point:
      • /storage/netdump
    • Usage:
      • VMware Netdump collector repository that stores ESXi dumps
  • VMDK10
    • Size:
      • 10 GB
    • Mount Point:
      • /storage/autodeploy
    • Usage: 
      • VMware Auto Deploy repository that stores the thinpackages used for stateless booting of ESXi hosts
  • VMDK11
    • Size:
      • 10 GB
    • Mount Point:
      • /storage/imagebuilder
    • Usage:
      • VMware Image Builder repository that stores the vSphere image profiles, software depots and VIB packages, such as driver VIBs and update VIBs.
  • VMDK12
    • Size:
      • 100 GB
    • Mount Point:
      • /storage/updatemgr
    • Usage:
      • VMware Update Manager repository where patches and updates are stored for Virtual Machine and ESXi hosts
  • VMDK13
    • Size:
      • 50 GB
    • Mount Point:
      • /storage/archive
    • Usage:
      • VMware Postgres database’s Write-Ahead Logging (WAL) location
  • VMDK14
    • Size:
      • 10 GB
    • Mount Point:
      • /storage/vtsdb
    • Usage:
      • VMware vTSDB Service Repository that stores the stats
  • VMDK15
    • Size:
      • 5 GB
    • Mount Point:
      • /storage/vtsdblog
    • Usage:
      • VMware vTSDB Service Repository that stores the logs of the service
    • VMDK16
      • Size:
        • 100 GB
      • Mount Point:
        • /storage/lifecycle
      • Usage: 
        • Workload Control Plane service stage directory or software depot, this stores the binaries for install and update/upgrade.
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