Hi,   At present time, over-provisioning are built-in into SSD, so there is no settings need to be done at hardware level; [URL] Though, the feature is within Dell SSD drive info that I can find. I did a quick search on Intel S4610, it does say OP is too in the drives itself, which is the firmware. For Performance and Endurance of SSD, they need not to be optimize as they as automatically done by the RAID controller firmware and SSD firmware.    [URL]   Let me know if it helps.
We have a new Dell R540 Server with 2 Pairs of SAS SSDs - one pair for OS (240GB Intel S4610 ) and the other for Database (480GB KIOXIA PMV-5). There are 4 more SAS HDDs which will be configured in RAID5 for running virtual workloads. We've got a PERC h730p raid contoller We want to configure the SSDs in RAID 1 for Performance and Reliability. There are multiple articles suggesting Over-Provisioning SSDs, so I have below questions before I go ahead with configuring RAID 1 arrays for SSDs: 1. Is Over Provisioning really needed? This server will run virtualized workloads (mix of Windows and Linux servers running on HyperV). 2. Does h730p support OP in RAID 1 mode? 3. Are there any specific optimizations that can be done for optimizing Performance and Endurance of these SSDs in RAID 1? There's very little or no literature available to understand this. So answers for this may help a lot of others. Thanks
OverProvisioning for SSDs in RAID1 with PERC h730p