Abstract

The traditional Hard Disk Drives and the upgrading Solid State Drives (SSD) are popular for their storage traits that keep large mass of data. The two technologies provide users with a large number of I/O per second. However, the two have a limited space capacity and perform differently. The SSDs offer exceptional performance. However, as compared to HDDs, they have much less capacity per drive and are costlier. Depending on the organizational application workload, the needs of capacities and performance requirements make users to have different preferences. In the IT system, the challenges on the usage of SSDs and HHDs are navigation of price, performance, and capacity trade-offs between SSDs and HDDs. Determining the most cost-effective drive type for each workload type is essential and will be discussed in this research paper. With the new technologies, there has been a series of combination of SSDs and HDDs into a single storage pool. The reduction of the I/O bottleneck through the hybrid SSD and HDD storage is also analyzed based on the terms of maintaining cost of the cache manager through settling on newer budgets for organizational optimization on storage solutions.

Highlights

  • The traditional mainstay associated with storage technology has always been the hard disk drive (HHD)

  • HDD is considered to have adequate capacity yet their performance is quite slower as compared to the SDD

  • HDDs are costly making SDD to be preferred by organizations whose needs require a highly performing storage device

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Summary

INTRODUCTION

The traditional mainstay associated with storage technology has always been the hard disk drive (HHD). Using the properties of HDDs and SSDs, IT departments can bridge the existing niche on cost effectiveness and high performance through the hybrid storage option [2]. Hybrid hard drives known as solid-state hybrid drive (SSHD) which is a combination of hard disk drives and solid-state drives, is a combination of mass storage device that combines a conventional hard disk drive and a NAND flash module [3]. It attempts to blend the capacity, cost, and performance of physical disk storage with the accelerated performance of flash

MEASURING HDD AND SSD WORKLOAD PERFORMANCE
ANATOMY OF A HYBRID HARD DRIVE
STORAGE TIERING
CURRENT DESIGNS
Findings
CONCLUSIONS
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