Troubleshooting Storage Issues in vRealize Operations
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Troubleshooting Storage Issues in vRealize Operations


Article ID: 318408


Updated On:


VMware Aria Suite


Various storage related issues may arise in vRealize Operations.
To assist in troubleshooting, see the below list of the most common storage related articles.

You may experience one or more the the below symptoms.
  • The vRealize Operations UI login page displays:
Data retriever is not initialized yet.
  • The vRealize Operations cluster is down.
  • The vRealize Operations Admin UI reports:
The Cluster was shut down because one node was out of disk space.
  • vRealize Operations shows the following alert(s):
    • Disk space on node is low   
    • Fsdb is running critically low on disk space
    • Fsdb is estimated to run out of disk space soon
  • Running the df -h command on the vRealize Operations nodes shows one or more files systems above 80% used.


To verify which volume is out of space, run the df -h command on each vRealize Operations node.  See the Related Information section for more information.

/storage/db is out of space

  /storage/log is out of space

 / is out of space

Additional Information

Increase the size of the / partition: Increasing the size of the root partition in vRealize Operations (2149944)

To run the df -h command on a vRealize Operations node, follow the steps below.
  1. Log into the Primary node as root via SSH or Console, pressing ALT+F1 in a Console to log in.
  2. Run the following command:
df -h
  1. You will see output including the below volumes:
Filesystem             Size  Used Avail Use% Mounted on
/dev/sda4               16G  4.5G   11G  30% /

/dev/mapper/data-db    207G   25G  172G  13% /storage/db
/dev/mapper/data-core   20G  2.3G   17G  92% /storage/core
/dev/mapper/data-log    20G  7.5G   12G  41% /storage/log

To avoid cluster stability issues, do NOT expand an existing disk.