The ME4 storage arrays my indicate a hardware problem and logs will be needed. They can be collected from either the Web UI or the command line, as root. The utility from the command line is pv_monitor.sh -S. This will produce a 5MB (or less) store.zip file. The ME4 may require ciphers that are not configured for the sftp used in pv_monitor.sh. You can use the GUI or update the ssh_config file with the ciphers.
While generating the CSR on a sensor using pv_monitor.sh -S from the command line, there may be errors.
[root@sensor1 ~]# pv_monitor.sh -S
Connecting to 192.168.1.2
Session Established with https://192.168.1.2
Gathering Support Bundle
Connecting to powervault unit through sftp ...
Updating known hosts ...
Traceback (most recent call last):
File "/usr/local/sbin/powervault_monitor.py", line 458, in <module>
Release : 8.2.6-55530
Then try the pv_monitor.sh -S and the logs will be collected. Attach them to the support case with the shipping address and contact name and number.