DerekChan
1 Nickel

VNX -- MetaLun include system drives (vault)

Hi All,

To VNX, is it any drawbacks when apply a metaLun from the system drives and other RAID groups? And, is there any limitation on forming the metaLun invloving the system drives?

Many Thanks,

Derek

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7 Replies
pinnas
3 Argentium

Re: VNX -- MetaLun include system drives (vault)

Hi Derek,

It is recommended not to use Vault drives for any activities., But if the Vault drives are high capacity drives and if you are concern about the space utilization then you can use those drives., However, avoid vault drive LUNs for high performance applications

Regards,

Suman Pinnamaneni.

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pinnas
3 Argentium

Re: VNX -- MetaLun include system drives (vault)

Hi Derek,

Kindly refer the below mentioned chat for maximum number of MetaLuns that can be created on VNX series:

VNX5100

VNX5300

VNX5500

VNX5700

VNX7500

256

512

512

1024

2048

Please refer Primus Article “emc226845- Best practices for creating MetaLUNs on VNX “ for more information.

Regards,

Suman Pinnamaneni.

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DerekChan
1 Nickel

Re: VNX -- MetaLun include system drives (vault)

Hi Suman,

Thanks so much for your help.

Actually, i am concern about the space utilization, so I need to bind a LUN at Vault drives, and use the LUN at Vault drives with other LUNs to form a metaLun.

Best Regards,

Derek Chan

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AnkitMehta
4 Germanium

Re: VNX -- MetaLun include system drives (vault)

I understand your concern. Performance, Availability and Capacity is the key measurement in storage enviornment.

However, when you refer to space utilization, it depends on what is your priority?

Performance or Space/Capacity Utilization!

kelleg
5 Rhenium

Re: VNX -- MetaLun include system drives (vault)

If you received a correct answer, please remember to mark your question Answered and to award points to the person providing the correct answer.

glen

PS - see the MetaLUN White Paper on PowerLink:

http://powerlink.emc.com/km/live1/en_US/Offering_Technical/White_Paper/H1024.1_clariion_metaluns_cnc...

DerekChan
1 Nickel

Re: VNX -- MetaLun include system drives (vault)

Hi All,

Thanks for your help. I understand how to work the metaLun at vault.

Best Regards,

Derek

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kelleg
5 Rhenium

Re: VNX -- MetaLun include system drives (vault)

If you received a correct answer, please remember to mark your question Answered and to award points to the person providing the correct answer.

glen

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