IT News - Storage

What Is SSD Trim?
Linux Hint, April 29th, 2019


Ranvir Singh writes in Linux Hint, "SSDs are a completely different storage media compared to the ones that existed before it. Magnetic media, especially spinning disks, have introduced a lot of concepts like sector size, partitioning, fragmentation etc. Some of these ideas have been emulated in the firmware Solid state devices as well.

On the flip side, new concepts have been introduced in order to optimize the performance, life span and reliability of these novel devices as well. One such concept is the TRIM operation..."


Raid Levels Explained
Enterprise Storage Forum, May 3rd, 2019


"Whether hardware or software, RAID is available in different schemes, or RAID levels, writes Christine Taylor in Enterprise Storage Forum. "The most commonly levels are RAID 0, 1, 5, 6, and 10. RAID 0, 1, and 5 work on both HDD and SSD media...

To understand RAID levels - and RAID storage overall - it helps to know that 'always-on' is more than marketing hype for business: it's a basic expectation of customers. One of the oldest and still active technologies to achieve always-on status is RAID, or 'redundant array of independent disks.'

Developers designed RAID to improve redundancy and performance in storage systems. RAID primarily serves HDDs, though some SSDs use RAID as well, especially in hybrid arrays..."




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Read on for details.

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