Re: GNBD vs DRBD to mirror two disks via the network

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Hi,
 DRBD is what you would want to use here and will beter do the job. It is
possible to create software raid 1 over GNBD and local drive/partition, but
not recomended.

On Mon, 13 Jul 2009 15:40:28 +0100, Bushby, Bruce \(London\)\(c\) wrote 
>   
> Greetings! 
>   
> I'm hoping a member could assist me in clearing up some understanding I
appear to be missing when it comes to GNBD. 
>   
> Today I clustered two vmware machines (active/passive shared nothing) and
then configure GNBD....thats when I noticed it 
> wants to "export" a device from one node and "import" the device on the
other node...which I did and it all works....but that is 
> not what I was after. 
>   
> Can GNBD be configured to keep two disks on different systems in sync using
both synchronous and asynchronous write options? 
>   
> Further research appears to dictate DRDB would be more suited for what I'm
trying to do. (build active/passive clusters on cheap 
> storage..ie no SAN to replicate and no scsi to share) 
>   
> Any help much appreciated!!!! 
>   
>   
> Bruce Bushby 
> Unix Engineering 
>   
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