| Title | ZFS Versus RAID: Eight Ironwolf Disks, Two Filesystems, One Winner | |
| Date | Thursday May 21 2020, @11:29AM | |
| Author | Fnord666 | |
| Topic | ||
| from the let-the-competition-begin dept. | ||
ZFS versus RAID: Eight Ironwolf disks, two filesystems, one winner:
This has been a long while in the making—it's test results time. To truly understand the fundamentals of computer storage, it's important to explore the impact of various conventional RAID (Redundant Array of Inexpensive Disks) topologies on performance. It's also important to understand what ZFS is and how it works. But at some point, people (particularly computer enthusiasts on the Internet) want numbers.
First, a quick note: This testing, naturally, builds on those fundamentals. We're going to draw heavily on lessons learned as we explore ZFS topologies here. If you aren't yet entirely solid on the difference between pools and vdevs or what ashift and recordsize mean, we strongly recommend you revisit those explainers before diving into testing and results.
And although everybody loves to see raw numbers, we urge an additional focus on how these figures relate to one another. All of our charts relate the performance of ZFS pool topologies at sizes from two to eight disks to the performance of a single disk. If you change the model of disk, your raw numbers will change accordingly—but for the most part, their relation to a single disk's performance will not.
[It is a long — and detailed — read with quite a few examples and their performance outcomes. Read the 2nd link above to get started and then continue with this story's linked article.--martyb]
Previously:
(2018-09-11) What is ZFS? Why are People Crazy About it?
(2017-07-16) ZFS Is the Best Filesystem (For Now)
(2017-06-24) Playing with ZFS (on Linux) Encryption
(2016-02-18) ZFS is Coming to Ubuntu LTS 16.04
(2016-01-13) The 'Hidden' Cost of Using ZFS for Your Home NAS
| Links |
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