Re: Cluster Node Distance

I've heard of Multi-KM moves before with (temporarily) 4 
Cluster-Switches (2 per DC...). It was ~10 nodes IIRC.

/SG

On 09.08.2022 08:20, Heino Walther wrote:
>
> Hi there
>
> We are in the process of migrating from one DC to another DC which is 
> about 2KM appart.
>
> We have a standard HA-Two node A300 which we would like to migrate out 
> to the new DC without any down time.
>
> We have several 10G lines between the two sites with Cisco networking 
> equipment.
>
> I seem to recall that officielly NetApp only supports about 3-400M 
> between the cluster nodes, but I cannot see why it should not be 
> possible to extend this distance to the 2KM we need?  I doubt the 
> systems will notice.
>
> This is of cause only as a part of the migration process, so we setup 
> another A300 cluster with disks at the new DC and add them to the 
> existing cluster over the 2KM distance, then move over the volumes and 
> interfaces nice an easy.
>
> When we have moved everything, we remove the two (now empty) nodes to 
> the new DC, join them to the cluster and move the data back again.
>
> Has anyone tried this over this kind of distances?
>
> We have official CN1610 but after looking at the Cisco RFC’s from 
> NetApp I think we might as well just create this network on our own 
> Cisco equipment.
>
> If this is a no-go, are there any other options, short of converting 
> it into a MetroCluster? 😉
>
> /Heino
>
>
> _______________________________________________
> Toasters mailing list
> [email protected]
> https://www.teaparty.net/mailman/listinfo/toasters

_______________________________________________
Toasters mailing list
[email protected]
https://www.teaparty.net/mailman/listinfo/toasters