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Evan Miller

๐Ÿ‘ค Speaker
See mentions of this person in podcasts
136 total appearances

Appearances Over Time

Podcast Appearances

TechONTAPPodcast
Episode 81 โ€“ NetApp Service Level Manager

How do I accelerate the clock cycle of everything we do?

TechONTAPPodcast
Episode 81 โ€“ NetApp Service Level Manager

That's much, much more interesting than sitting down on the keyboard and provisioning storage and then getting blamed when everything goes wrong.

TechONTAPPodcast
Episode 81 โ€“ NetApp Service Level Manager

Because when humans do everything, it's inevitably prone to mistakes, right?

TechONTAPPodcast
Episode 81 โ€“ NetApp Service Level Manager

Whereas if you automate everything, you get extreme standardization.

TechONTAPPodcast
Episode 81 โ€“ NetApp Service Level Manager

So the key understanding here is that a disk drive is not a service, right?

TechONTAPPodcast
Episode 81 โ€“ NetApp Service Level Manager

SATA, SAS, SSD, different sizes of drives, different vendors, different controller types.

TechONTAPPodcast
Episode 81 โ€“ NetApp Service Level Manager

None of those things constitute a service.

TechONTAPPodcast
Episode 81 โ€“ NetApp Service Level Manager

An application doesn't consume any of those.

TechONTAPPodcast
Episode 81 โ€“ NetApp Service Level Manager

An application does one thing.

TechONTAPPodcast
Episode 81 โ€“ NetApp Service Level Manager

It consumes IO at a latency.

TechONTAPPodcast
Episode 81 โ€“ NetApp Service Level Manager

And so that has to be the performance promise.

TechONTAPPodcast
Episode 81 โ€“ NetApp Service Level Manager

That's fantastic.

TechONTAPPodcast
Episode 81 โ€“ NetApp Service Level Manager

And another way that this is completely unique in the industry is it's called adaptive QoS.

TechONTAPPodcast
Episode 81 โ€“ NetApp Service Level Manager

That's a fundamental difference between this and every other approach to maintaining a service level.

TechONTAPPodcast
Episode 81 โ€“ NetApp Service Level Manager

Number one, we don't want anybody to have to, like, tweak this thing, right?

TechONTAPPodcast
Episode 81 โ€“ NetApp Service Level Manager

You put a volume where it needs to be, and it just does what it needs, right?

TechONTAPPodcast
Episode 81 โ€“ NetApp Service Level Manager

And if the volume grows or if the amount of data grows, you want to make sure there's enough IO there for the workload, and you don't want to have to have somebody, you know, calculating IOPS anymore.

TechONTAPPodcast
Episode 81 โ€“ NetApp Service Level Manager

And so adaptive QoS adapts the QoS policy to the size of the volume and the amount of the data in the volume.

TechONTAPPodcast
Episode 81 โ€“ NetApp Service Level Manager

For example, if you grow or auto grow the volume, the IO grows with it.

TechONTAPPodcast
Episode 81 โ€“ NetApp Service Level Manager

If you put more and more data in that volume, particularly with compression and dedupe and compaction, all those technologies can sometimes store two to four, sometimes eight times as much data in the volume as the physical footprint.