Highlighted
nekavs
1 Nickel

Minimum SSD configuration for Global Namespace Acceleration

Jump to solution

What are the required minimum SSD capacity for Isilon Global Namespace Acceleration?

0 Kudos
1 Solution

Accepted Solutions
curtharpold
1 Nickel

Re: Minimum SSD configuration for Global Namespace Acceleration

Jump to solution

Just a quick correction...

The last sentence should read "If you fall below the minimum GNA will cease and you will only have metadata acceleration within Node Pools".

0 Kudos
3 Replies
nekavs
1 Nickel

Re: Minimum SSD configuration for Global Namespace Acceleration

Jump to solution

In One FS version 6.5 the absolute minimum required was 0.5% of the cluster capacity be SSD; 2% was the recommended value. In OneFS 7.0, the absolute minimum SSD capacity was raised to 1.5% of cluster capacity. The official recommendation is still 2%. Note that you must also have 20% or more of the cluster nodes equipped with SSDs. If you fall below the minimum GNA will cease and you will only have metadata acceleration.

curtharpold
1 Nickel

Re: Minimum SSD configuration for Global Namespace Acceleration

Jump to solution

Just a quick correction...

The last sentence should read "If you fall below the minimum GNA will cease and you will only have metadata acceleration within Node Pools".

0 Kudos
Peter_Sero
3 Zinc

Re: Minimum SSD configuration for Global Namespace Acceleration

Jump to solution

See

GNA - Do not be afraid to ask for an Exception

(by William Griffith, Corporate Systems Engineer, EMC)


and my humble contribution at:

Re: Sizing: How much SSD do I need to add to a cluster for metadata acceleration?

-- Peter

0 Kudos