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"storage controller" and connection

JCBiggs
By JCBiggs
in Servers, NAS, and Home Lab
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Is it possible to build a "storage controller"  with otc hardware?  I'm thinking something with 10 or so nvme drives. Once built,  how does one go about connecting it to other servers in a non networking protocol way?  I'm wanting to connect a couple of other servers to this main storage appliance.  I know power edge servers do this for redundancy. 

 

Didn't linus have his nvme disk shelf connected over 100g?

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28 minutes ago, JCBiggs said:

Didn't linus have his nvme disk shelf connected over 100g?

You mean New New Whonnock? That's a standalone Dell server with a bunch of NVME drives crammed into it.

 

What you're thinking of is a drive shelf. They're an expansion box that connects to another server, usually over an external SAS (Serial Attached SCSI) cable. The actual drive controller is inside the server, the drive shelf just fans that connection out to multiple spinning drives. They're as good as if they were attached internally.

 

What you're describing sounds more like a SAN (Storage Area Network), a high speed network specifically designed to carry storage data. Some drive shelves can do this by connecting to multiple servers over SAS, but that's usually the more sophisticated (read: expensive) ones from the likes of NetApp and Dell EMC.

 

What is it you're trying to accomplish?

I sold my soul for ProSupport.

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1 hour ago, JCBiggs said:

Is it possible to build a "storage controller"  with otc hardware?  I'm thinking something with 10 or so nvme drives. Once built,  how does one go about connecting it to other servers in a non networking protocol way?  I'm wanting to connect a couple of other servers to this main storage appliance.  I know power edge servers do this for redundancy. 

 

Didn't linus have his nvme disk shelf connected over 100g?

Use case? Budget? What exactly do you actually want? Lol. Define non-networking protocol way. 
 

iSCSI is over the network but the OS accessing the data access it at the block level like a locally attached drive… still have networking overhead, but it’s not like SMB or NFS since the host marching manages the file system 100%. 
 

There is also remote DMA iirc? Remote  direct memory access I think? Which is pretty nifty. 

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Homelab/ Media Server: Proxmox VE host - - 512 NVMe Samsung 980 RAID Z1 for VM's/Proxmox boot - - Xeon e5 2660 V4- - Supermicro X10SRF-i - - 128 GB ECC 2133 - - 10x4 TB WD Red RAID Z2 - - Corsair 750D - - Corsair RM650i - - Dell H310 6Gbps SAS HBA - - Intel RES2SC240 SAS Expander - - TreuNAS + many other VM’s

 

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-> Moved to Servers and NAS

^^^^ That's my post ^^^^
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vvvv Who's there? vvvv

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