Assuming drive cache error while opening the backup proxy

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Problem description

While accessing the backup proxy from the VM Console, the following error is displayed:

Assuming drive cache: write through.

This is a known issue with CentOS. It returns a write message as the virtual disk does not have a write-back cache.

The error appears only when you access the backup proxy using VM console. Using SSH to access the backup proxy does not result in such an error.

Press the Escape or Enter key when the error is displayed.

This is more of an information message, rather than an error.