I am executing below command to apply patch 19.25 on Grid home

/oracle/gridinfra/19c/OPatch/opatchauto apply /backup/patch_19.25/36916690 -oh /oracle/gridinfra/19c -analyze

The command fails with below error.

[Oct 24, 2024 8:26:10 AM] [INFO] Space Needed : 12178.915MB
[Oct 24, 2024 8:26:10 AM] [INFO] Space Usable : 11907.102MB
[Oct 24, 2024 8:26:10 AM] [INFO] Required amount of space(12178.915MB) is not available.
[Oct 24, 2024 8:26:10 AM] [INFO] Prereq "checkSystemSpace" failed.
[Oct 24, 2024 8:26:10 AM] [INFO] The details are:
Required amount of space(12178.915MB) is not available.

In which folder should I check the space?

Thanks in advance.

Vilas