When architecting a high-performance environment, processors and RAM usually get the budget. But seasoned system administrators know that storage is almost always the primary bottleneck. If you are running a write-heavy database (like PostgreSQL or MongoDB) and your storage drives cannot feed data to the CPU fast enough, your processing power is wasted.
We just published a comprehensive guide over at Fit Servers breaking down enterprise storage configurations.
Key Takeaways from the article
Hardware vs Software RAID: Why true hardware RAID controllers with Flash-Backed Write Caches (FBWC) are mandatory for preventing database corruption during power loss.
The RAID 5 Write Penalty: Why RAID 5's XOR parity calculations can cripple write performance on DB servers.
RAID 10 Dominance: Why RAID 1+0 remains the undisputed king for enterprise virtualization and transactional databases.
NVMe + RAID: Why ultra-fast flash storage doesn't make redundancy obsolete.
If you are provisioning a new bare-metal server soon, make sure you choose the right storage foundation.
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