Hi there,

We currently have a 2 node Netware 6.5 SP6 cluster (virtual name
CLUSTER) on EMC fibre-SAN. We going to implement a brand new 3 node
cluster (virtual name PLANETS) using an iSCSI SAN and running on Linux
nodes (OES).

Is it possible to keep the same cluster resource names on the new
cluster as want to keep the existing UNC path structure as much as we
can and would have in changing alot of documents.

Is there any sort of migration guide from moving from one cluster to
another?

Any help would be appreciated.

John.


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Install a new OES2 Linux server with NCS and join the cluster... Do that for
all OES2 servers and finally remove
the netware-servers from the cluster. Like that?



"jbeeson" <jbeeson@no-mx.forums.novell.com> wrote in message
news:jbeeson.3gz6zd@no-mx.forums.novell.com...
>
> Hi there,
>
> We currently have a 2 node Netware 6.5 SP6 cluster (virtual name
> CLUSTER) on EMC fibre-SAN. We going to implement a brand new 3 node
> cluster (virtual name PLANETS) using an iSCSI SAN and running on Linux
> nodes (OES).
>
> Is it possible to keep the same cluster resource names on the new
> cluster as want to keep the existing UNC path structure as much as we
> can and would have in changing alot of documents.
>
> Is there any sort of migration guide from moving from one cluster to
> another?
>
> Any help would be appreciated.
>
> John.
>
>
> --
> jbeeson
> ------------------------------------------------------------------------
> jbeeson's Profile: http://forums.novell.com/member.php?userid=468
> View this thread: http://forums.novell.com/showthread.php?t=346537
>

Thanks for the reply.

Can you just explain how that works. As I said I am creating a new
cluster with new node hardware and using new iSCSI shared storage it
will created a new partition and SBD. Therefore these new nodes will
not access the SBD in the existing EMC fibre cluster.


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jbeeson wrote:
>
> Thanks for the reply.
>
> Can you just explain how that works. As I said I am creating a new
> cluster with new node hardware and using new iSCSI shared storage it
> will created a new partition and SBD. Therefore these new nodes will
> not access the SBD in the existing EMC fibre cluster.

I'd like hear some details on this too, as we are going to move from FC
SAN to iSCSI SAN.

-sk

We built a new OES2 cluster in a new FC SAN and were planning on just
running the migration tools to go from the old NW6.5 SAN to the new.
Both clusters are in the same tree.
It looks fairly straight forward. Then just change the login scripts
to reflect the new IP addresses of the new cluster resources.

Another way to do it would be to have one cluster, use NSSMU to mirror
your FC SAN partitions to an iSCSI disk, then break the mirror later?
That sounds kind of complicated.
The migration utils work fairly well.
(At least they have in previous releases....)


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gprentice;1664411 Wrote:
> We built a new OES2 cluster in a new FC SAN and were planning on just
> running the migration tools to go from the old NW6.5 SAN to the new.
> Both clusters are in the same tree.
> It looks fairly straight forward. Then just change the login scripts
> to reflect the new IP addresses of the new cluster resources.
>
That works, no doubt.
But it needs quite much downtime as the data migration is so slow :( We
have had 10-30Gb/hour. So with 1 Tb cluster data it would take awhile to
migrate. And need to change homedir attributes, mappings, create new
cluster resources.

>
> Another way to do it would be to have one cluster, use NSSMU to mirror
> your FC SAN partitions to an iSCSI disk, then break the mirror later?
> That sounds kind of complicated.
>
For me this sounds much more interesting but I have never done it
before myself. Never had to replace a SAN before.. but need to, soon.
As I understood you wouldn't have to change everything, just mirror the
data and the remove old storage. see this:
'Mirrors for Moving Partitions - CoolSolutionsWiki'
(http://wiki.novell.com/index.php/Mirrors_for_Moving_Partitions)
downsides?

-sk


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