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Friday, 10 April 2020

List of VMDKs in vCenter Server 7.0 Appliance

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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