FC 4gB to 10GB sfp?

[tio]

Is there any way to use these as a Ethernet solution? They look like they both use optical
Tech but unsure if they’re backwards or cross compatible with each other.

4gb will be client side and 10gb server side

 

[ChrisRJ]

While it is unclear from your description what exactly you want to do, you cannot mix FC and Ethernet.

 

[tio]

While it is unclear from your description what exactly you want to do, you cannot mix FC and Ethernet.

Ok that makes sense now. Been so long since I’ve been ok the industry I forgot about this stuff.

Would it be possible to access the shares through both a FC connection and Ethernet to clients? Or would the FC connection not work through samba and I’d have to go the iscsi route?

 

[jgreco]

Ok that makes sense now. Been so long since I’ve been ok the industry I forgot about this stuff.

Would it be possible to access the shares through both a FC connection and Ethernet to clients? Or would the FC connection not work through samba and I’d have to go the iscsi route?

Optical tech doesn't make them compatible. Think: diesel vs gasoline. Yes they're both liquids. Don't mix them up though.

Samba implies SMB filesharing which is a protocol where the filesystem resides on the fileserver (=NAS) and you communicate using IP (=Internet protocol) over Ethernet.

iSCSI implies block storage which is a protocol that acts like a big USB drive. The filesystem has to reside on the client (=Windows/etc) and you could potentially communicate via FC but TrueNAS doesn't officially support that. Most filesystems are not "cluster aware" which means that it isn't a sharing protocol, you can only run one filesystem at a time on an iSCSI device, so also only one client at a time. Just the same way it's impractical to hook up a USB HDD to two PC's at the same time... doesn't work.

Basically your last sentence makes no sense in the realm of possibilities.

 

[tio]

Thanks for sharing uour knowledge.

May I ask, if I get 2x 8gb FC would Ethernet over FC work via direct attach cable?

 

[ChrisRJ]

"Optical tech doesn't make them compatible". Isn't that clear enough?