Comment 3 for bug 1995863

Hello,

I would like to add some new information:
If I roll back changes to
Commit:
on Sep 2, 2021 d3e8af0 traghavendra HPE 3PAR: Add HPE Alletra 9k related information

only on two specific files

hpe_3par_base.py
hpe_3par_common.py

Link:
https://github.com/openstack/cinder/tree/d3e8af04a314f102f91e77224b84ea3c21172757/cinder/volume/drivers/hpe

That change omits:
Merge "HPE 3PAR: Reuse existing session"
Move nimble driver code to hpe folder
HPE 3PAR: In multi host env, fix multi-detach operation

Then:
My tests show that the problem is gone.