Does RAID have a place in object-oriented storage environments?
By submitting your personal information, you agree that TechTarget and its partners may contact you regarding relevant content, products and special offers.
Object storage was actually created as a RAID replacement. Although RAID has been the de facto standard for data protection for decades, RAID has trouble scaling to match the needs of today's larger environments.
One problem with RAID is the time it takes to rebuild the contents of a failed multi-terabyte drive. In addition, when using RAID 5 or RAID 6, storage performance can be significantly diminished while the array is rebuilt.
Object-oriented storage is designed to address these problems by dealing with objects rather than file systems. In an object storage environment, each disk's contents can be mirrored multiple times. That means if a disk were to fail, the storage environment can simply redirect requests to a different copy of the disk. The performance impact involved is minimal and this approach also reduces the urgency of replacing failed disks because several other replicas of the disk may be readily accessible.
Going back to the original question, I think an argument could be made that object-level storage uses a variation of policy-driven RAID, even if vendors do not explicitly use the term RAID. After all, most RAID offerings have two-way or three-way mirroring capabilities. Object storage also uses multi-copy mirroring, but this is usually referred to as replication.
Dig Deeper on Enterprise storage, planning and management
Related Q&A from Brien Posey
A ghost image can be used to copy the contents of one server to another for backup, but the process of creating ghost images may not be as simple as ...continue reading
Backup and recovery trends, such as hybrid cloud data protection, are gaining popularity in the IT industry. Are these three major trends part of ...continue reading
Can disaster recover planning save an organization from a costly IT outage? The British Airways IT disaster of 2017 has many wondering how to prevent...continue reading
Have a question for an expert?
Please add a title for your question
Get answers from a TechTarget expert on whatever's puzzling you.