Storage Informer
Storage Informer

Automated Storage Tiering for Celerra

by on Jun.22, 2009, under Storage

Automated Storage Tiering for Celerra

EMC logo Automated Storage Tiering for Celerra

We’ll call this one Automated Storage Tiering as it isn’t block based. Since I’m waiting for a massive synchronisation of the house’s music library to complete this should prove quick and easy. So what are we going to do? We’re…

We’ll call this one Automated Storage Tiering as it isn’t block based. Since I’m waiting for a massive synchronisation of the house’s music library to complete this should prove quick and easy.

So what are we going to do?

We’re going to automate the placement of files on Celerra storage tiers, some native volumes some deduplicated and compressed volumes, using Rainfinity policies and the Celerra FileMover API all while offering transparent recall during file access.

And what’ll that achieve?

Due to the reduced capacity it should deliver a smaller physical footprint, reduce energy consumption and do all nice things for your TCO over a number of years.

And how will it do that?

The same way you always do nice things for your TCO, drive efficiencies out of what you already have.

You’ll need:

-1x Rainfinity FMA. Physical or Virtual Appliance. Your choice.

-One or more tiers of secondary storage on your Celerra.

-A Web browser, a mouse and a keyboard.

-My dashing good looks and excellent personal taste. Okay so that’s a unrealistic for you and not an actual requirement but I just thought I’d give you something to strive for after you’ve implemented this.

How does it work?

Lets say we have three tiers of storage Tier 0 (Enterprise Flash Drives), Tier 1 (FC), Tier 2 (SATA). We create a filesystem, if one hasn’t been created already, on Tier 2 and enable Celerra Deduplication. We then create Archival policies for the Tier 0 and Tier 1 filesystems on the Rainfinity FMA and set them to run automatically.

These policies can be as basic as move anything which hasn’t been accessed in a few weeks or months to something with a much more specific set of criteria.

Rainfinity FMA communicates with the Celerra FileMover API which migrates files between tiers and creates a stub file in the source tier to allow for transparent access. Note that the Tier 2 destination can be on the same or a different Celerra.

And there you go, quick and easy Automated Storage Tiering for Celerra.

But my giant music sync still isn’t finished so now I’m going to have to think of something else to write about.

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