Storage

BlackF1re's picture

LUN config for Promise Ex30 (non Apple)

Good Evening

I'm about to configure a Promise Ex30 (non apple) for an Apple Xsan Environment (Yes, Promise already confirmed that works with the hardware i have, like a Qlogic 5800, Atto and LSI cards)

I was wondering about the LUN Configuration.

The system is a 24 bay, dual controller, HDD NL-SAS of 3 TB.

What configuration do you recommend for performance?
Workflow is for both HD Full HD ProRes, and 4k XAVC (So 30 - 40 MB/s for every layer)
But i could also manage a layer of SonyRAW 4K from an F55 in 3840x2160 50p, that means 500 MB/s

2 LUN of 11 disks Raid 5 + 1 dedicated spare?
or
4 LUN of 6 disks Raid 5 without spares?

I have a dedicated metadata array 4 Gbit, cause of the presence of multiple volumes

The ALUA should be enabled for better performance? (Clients will be 10.9 / 10.8.5)
What about the stripe size?

Thank you all for your time.

bartbroek's picture

Looking for second hand Active Raid storage

Hi,

I'm looking for a ActiveRaid main chassis (with or without drives) or expansions chassis to replace an Expansion chassis that is giving me trouble. I'm also looking for some spare Active raid controllers.

We are a post-production company based in Amsterdam, The Netherlands.

Thanks in advance for any suggestions!

Bart

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