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how to turn on ssd cache on RS3DC080?

IIGNA
Beginner
‎06-18-2018 08:06 AM
2,651 Views

Hello!

Could you please provide information about enabling ssd cache function on RS3DC080?

In which proportion it is necessary to combine hdd and ssd? 2 ssd + 6 hdd ?

 

If i'll take 6x6Tb hdd + 2x500Gb ssd i'll get 6x6+2x0.5~36 Tb hybrid array? or 6x6=36Tb array with 1Gb cache?

Could i take 7200 6Tb HDD or i need 10k/15k ones?

Thank you.

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idata
Employee
‎06-18-2018 09:45 PM
1,560 Views

Hello gekm,

 

 

Thanks for joining the community.

 

 

The RAID controller RS3DC080 is SSD capable by default. There is no need to enable any function in RAID bios or anywhere else.

 

 

About if there is any recommended proportion there is none. What it is recommended is to not combine ssd and hdd in the same RAID volume. All SAS hdd speeds are supported. For more info you can check the following document: https://www.intel.com/content/www/us/en/servers/raid/raid-controller-rs3dc-brief.html https://www.intel.com/content/www/us/en/servers/raid/raid-controller-rs3dc-brief.html

 

 

 

Regards

 

 

Jose A.
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IIGNA
Beginner
‎06-19-2018 03:44 AM
1,560 Views
In response to idata

So i cannot make hybrid volume or CacheCade?

Only HDD volume or only SSD?

How can i connect 128 drives to that controller? Could you attach a scheme?

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idata
Employee
‎06-19-2018 09:11 PM
1,560 Views
In response to IIGNA

Hello gekm,

 

 

I think I misunderstood your initial question about if this particular RAID controller supports the SSD cache (CacheCade) feature. I apologize for that. The answer is yes as stated in this document: https://www.intel.com/content/dam/www/public/us/en/documents/product-briefs/raid-controller-rs3dc-brief.pdf https://www.intel.com/content/dam/www/public/us/en/documents/product-briefs/raid-controller-rs3dc-brief.pdf The hardware key to enable such feature needs to be bought separately but I am not sure if it is still available since there is a new generation of RAID controllers out in the market already (Tri-Mode RAID Controllers).

 

 

About how to connect 128 hdd the answer is using a JBOD unit https://ark.intel.com/products/86950/Intel-Storage-System-JBOD2312S3SP https://ark.intel.com/products/86950/Intel-Storage-System-JBOD2312S3SP

 

 

Regards.

 

 

Jose A.
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idata
Employee
‎06-25-2018 04:59 PM
1,560 Views
In response to IIGNA

Hello gekm,

 

 

Do you have any updates, questions or comments in regards to this issue?

 

 

Please do not hesitate to contact us back.

 

 

If you consider the issue to be completed please let us know so we can proceed to mark this thread as resolved.

 

 

Regards

 

 

Jose A.
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idata
Employee
‎06-27-2018 08:57 PM
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In response to IIGNA

Hello gekm,

 

 

We will proceed to mark this thread as resolved. If you have further issues or questions just go ahead and create a new topic.

 

 

Jose A.
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