Please share the drive model number which are already present in the system. Never share serial numbers in public.
Also please share the drive model number which are new and you have added to the system. Never share serial numbers in public.
How you are checking if drives detected by controllers ? are you using GUI or CLI? have you tried to check from both controllers?
You can check the below document which is actually for drive replacement. This may help,
https://support.hpe.com/hpesc/public/docDisplay?docLocale=null&docId=emr_na-c03792356
Hope this helps!
Regards
Subhajit
I am an HPE employee
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