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Jake72

raid controler for freenas

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Posted · Original PosterOP

Additional  drives downloadfile.jpg.1c7aac65bf57586b1e8be30fa85c4134.jpgServer

 

Okay I understand raid I've used software raid before and not a problem but with my Plex / file server I'm going to have 8 drives to start and later on down the road have a second rackmount case with additional drives I'm looking for a raid card that will work with freenas and or unraid and allow me to connect the 8 drives internally and externally connect to a second case for additional drives is this possible is there a red card out there that I can use?

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2 minutes ago, Jake72 said:

Additional  drives Server

 

Okay I understand raid I've used software raid before and not a problem but with my Plex / file server I'm going to have 8 drives to start and later on down the road have a second rackmount case with additional drives I'm looking for a raid card that will work with freenas and or unraid and allow me to connect the 8 drives internally and externally connect to a second case for additional drives is this possible is there a red card out there that I can use?

 

Don't. Use. Raid. With. FreeNAS.

You will significantly hurt performance. Better off to get an HBA with SFF 8087 or SFF 8088 ports, run them over to an external enclosure, then have SAS expanders there with your drives plugged in. 

I'll link some threads from the FreeNas forums on this. 


If I don't respond, please tag me in your post. I'm probably AFK or responding to someone else. 

I know what sarcasm is... Sometimes.
Stille (Primary desktop)

i7-8700k @5.0Ghz - Cryorig H7 Ultimate - 16GB Vengeance LPX - Armor GTX 1080 - SanDisk Plus 480GB - Crucial MX500 500GB - (2x) WD Red 2TB - EVGA G3 650w - Corsair 760T

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El-BEEFO (FreeNAS server)

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https://forums.freenas.org/index.php?threads/external-enclosure-compatibility.20967/

(See Ericloewe's post in the thread.)

 

This thread documents the more "Hacked together" solutions for SAS enclosures, but using an HBA SAS card to a SAS expander is pretty normal and has much better support then RAID in freenas.
https://forums.freenas.org/index.php?threads/recommendations-for-an-external-enclosure.62220/

 

TL;DR, please don't use raid. Use SAS controllers to pass each individual drive through to freenas. You'll loose less data that way in a drive failure, and you'll have more control in FreeNAS. 


If I don't respond, please tag me in your post. I'm probably AFK or responding to someone else. 

I know what sarcasm is... Sometimes.
Stille (Primary desktop)

i7-8700k @5.0Ghz - Cryorig H7 Ultimate - 16GB Vengeance LPX - Armor GTX 1080 - SanDisk Plus 480GB - Crucial MX500 500GB - (2x) WD Red 2TB - EVGA G3 650w - Corsair 760T

Macbook Pro 2015 (Musicians live and die by these, unfortunately I need one. :/
i7-4980HQ (Liquid Metal mod) - 16GB DDR3 - Radeon M370X (Liquid Metal mod) 

El-BEEFO (FreeNAS server)

2x Xeon E5-2667  - 32GB ECC DDR3 - Quadro 4000 - Dell H310 HBA (Flashed with IT firmware for JBOD) - Kingston 128GB SSD (Scratch/cache) - 5.5TB of mixed HDDs

Corsair CX series Power Supplies are fine

 

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Even on consumer grade hardware you can easily install two HBA's like a LSI SAS 9211-8i and add 16 drives to your server. With 10+TB drives available do you really need so much storage? If your current case cannot hold 16 drives I would suggest just upgrading your case instead of using a second enclosure...

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Just consolidate it into one case. 

All of the *affordable* 16-24 bay hotswap chassis have an SAS2 backplane, so just get an LSI 9211-8i (or similar based on the same chip) and use some SFF8087 cables to connect to the backplane. 

 

If you get a case without a backplane then use SFF8087 to SATA breakout cables. 

If you require more than 16 drives, then get another HBA or get a SAS2 expander like the Intel res2sv240. 

 


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