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N40L with Raid gear


Tikanderoga
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Hi all

 

I've had my N40L Microserver for about 18 months, lost 2 GB of the inital RAM and upped it to 16GB, runs like a charm.

So far I have in there:

1 x 1TB with VMware as host

1 x 3TB WD Green as backup respository, mapped as RDM

2 x 2TB WD Green as storage, mapped as RDM

1 x 2TB WD Green as datastore2 for replicated VM & other shenanigans (Test VM, etc)

 

Main OS is a Server 2008 R2, doing the job (DNS, FTP, DHCP, Media Server, File Server, Print Server).

 

I'd like to create a Raid 5 in the 4 disk bays, moving the 1 TB to the ODD slot, and adding a raid card.

I've been contemplating the Rocketraid 620 for this purpose with 4 x 3 or 4 TB drives.

 

But reading a bit more into this, I started having my doubts if the raid card is the right decision, or should I rather go with software raid like mdadm.

 

So the things that crept up so far:

Hardware vs software raid?

Which hard disks? I've had the WD Greens in mind as they are low on power consumption, but maybe the red would be better.

 

Your input?

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The HP P410 and LSI boards have been popular in the N40L/N54L's though I don't have direct experience with either

 

You can find a collection of links about RAID in the N36/40/54L's at http://homeservershow.com/forums/index.php?/topic/5190-microserver-hardware-links/

 

I've used the Highpoint 2720 with moderate success in the N40/54L but couldn't really recommend it long term

 

I've used and am still using the Rocket 640 and Rocket 620A non-RAID cards for their SATA III ports in the N40/54L's and like them but haven't tried their RAID variants

 

I wouldn't use Green drives for a RAID or NAS application but instead would go with the NAS rated drives from WD or Seagate

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I've used the 2720 for about four years now and have moved the card between three machines without absolutely no issues whatsoever.  I highly recommend it.

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Thanks everyone :)

I think, I will go with the 2720 and use the eSata as my backup repository drive.

 

From what I read, people have been using the existing cable to connect to the 2720 to the drives. So no extra cable required.

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Here is some testing I did with the 2720, note the issues I had in the MicroServers

 

http://homeservershow.com/tag/2720

 

Also do a Google search with the terms "homeservershow 2720"

 

you can do variations of the term "homeservershow xxxxxxxx" to get a better idea of info buried in the Forums............  such as "homeservershow P410" ..

Edited by Joe_Miner
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I've been reading up on the 2720, but one question remains:

The 2720 has 2 ports. Can I run a Raid 5 on one port and a raid 1 on the other?

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The 2720 has two mini-SAS ports that you would attach an SFF-8087 to each giving you 8 SATA III ports.  How you use those ports is up to you.

 

RAID1 would take 2 ports (only 2)

RAID5 would take 3 or more ports

RAID6 would take 4 or more ports (RAID5 or 6 is becoming problematic IMO with rebuild times with larger drives)

RAID10 would take 4 ports (only 4)

Edited by Joe_Miner
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The 2720 has two mini-SAS ports that you would attach an SFF-8087 to each giving you 8 SATA III ports.  How you use those ports is up to you.

 

RAID1 would take 2 ports (only 2)

RAID5 would take 3 or more ports

RAID6 would take 4 or more ports (RAID5 or 6 is becoming problematic IMO with rebuild times with larger drives)

RAID10 would take 4 ports (only 4)

 

So I take that as a yes for running a Raid 1 and Raid 5 simultaneously on the same 2720 card with 2 SFF8087 cables?

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