Focus on your storage needs, not SSD performance options

In this Storage Decisions video, Steve Duplessie, founder and senior analyst of Enterprise Strategy Group (ESG), discusses the need to focus on your organization's specific solid-state storage needs and not get swayed by SSD performance options that sound impressive but have little practical value.

"We get so hyper-extended on all this stuff. I mean, the average IOPS on a 1,000-person Exchange system… [is] way less than a million [IOPS]. It's like 7,000 [IOPS], or something like that. And you know what you can do 7,000 [IOPS]? There's nothing you can buy that can't do 7,000," Duplessie said.

Storage buyers have a tendency to overestimate performance needs, according to Duplessie, saying that "storage guys always want to overbuy, and historically, we always do overbuy, because we plan on the worst case."

Duplessie later said that uncertainty over SSD performance can lead to organizations buying too much for their needs. He noted that while some companies don't worry about the effect of such purchases, "real companies care" about cost.

"Industry is stoked that you guys are overbuying again, and the [reasons] you're overbuying again … [are] the virtualization unknowns, and the I/O performance unknowns lead us to believe we have to buy more stuff," Duplessie said.

He said that storage admins looking at deploying some form of solid-state should focus on using it as cache to allow systems to determine what data should be kept there.

"Less than 5% of your solid-state stuff should be fixed as a general rule. Ninety-five percent of it should be cache-oriented as a general rule ... almost all of our traditional business workloads are transient data workloads. They are not fixed data workloads," Duplessie said.

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