Anonymous_User Absent Member.
Absent Member.
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How many nodes required for Novell Cluster

Hi All,

We need to set up Novell OES server based on Cluster service to host File
& Print, ZENworks Desktop, iFolder, iPrint, Virutual Office function,
how many nodes(Servers) do we need to buy? If 2 servers, we can get
iSCSI, if 3 servers, we have to buy SAN with FC solutions, which is much
expensive.But besides the price, we heard that it is better to get 3
nodes for Nolvell cluster, two are not stable, which means for 2 nodes,
if one dies, the serivce may be unble to switch to another node, even
worse, then whole cluster will crash, is that right?

Please give your kind advice.

Thank a lot.

Ruoqing
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6 Replies
Anonymous_User Absent Member.
Absent Member.

Re: How many nodes required for Novell Cluster

The minimum you require is 2 nodes, the maximum is 32. The design of
the system and the expected load would/should be the deciding factor
on the number of servers you require...

As for having to have FC etc for 3 nodes plus, rubbish! I have a 6
node cluster that uses iSCSI.

I would recommend that you use an odd number of nodes as this helps
resolve problems with split brain issues and therefore 3 nodes would
be my minimum


On Wed, 17 Aug 2005 06:48:47 GMT, zhao_rq@hotmail.com wrote:

>Hi All,
>
>We need to set up Novell OES server based on Cluster service to host File
>& Print, ZENworks Desktop, iFolder, iPrint, Virutual Office function,
>how many nodes(Servers) do we need to buy? If 2 servers, we can get
>iSCSI, if 3 servers, we have to buy SAN with FC solutions, which is much
>expensive.But besides the price, we heard that it is better to get 3
>nodes for Nolvell cluster, two are not stable, which means for 2 nodes,
>if one dies, the serivce may be unble to switch to another node, even
>worse, then whole cluster will crash, is that right?
>
>Please give your kind advice.
>
>Thank a lot.
>
>Ruoqing


Tim
___________________
Tim Heywood (SYSOP)
NDS8
Scotland
(God's Country)
www.nds8.co.uk
___________________

http://support.novell.com/forums/

In theory, practice and theory are the same
In Practice, they are different
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Anonymous_User Absent Member.
Absent Member.

Re: How many nodes required for Novell Cluster

zhao_rq@hotmail.com wrote:
> Hi All,
>
> We need to set up Novell OES server based on Cluster service to host File
> & Print, ZENworks Desktop, iFolder, iPrint, Virutual Office function,
> how many nodes(Servers) do we need to buy? If 2 servers, we can get
> iSCSI, if 3 servers, we have to buy SAN with FC solutions, which is much
> expensive.But besides the price, we heard that it is better to get 3
> nodes for Nolvell cluster, two are not stable, which means for 2 nodes,
> if one dies, the serivce may be unble to switch to another node, even
> worse, then whole cluster will crash, is that right?
>
> Please give your kind advice.
>
> Thank a lot.
>
> Ruoqing



To carry on from what Tim said. And I completely agree with Tim's
comment about 3 being the best minimum.

We have (and indeed have had) a 2 node GroupWise cluster running two
post offices. We have had no issues with this 2 node cluster. So you can
do it. But 3 at least is better especially if you are running quite a
load on the cluster. Our File/Print/Netstorage cluster is 3 nodes.


Have fun

Marcus

--
Photos : www.flickr.com/photos/marcusc
Blog : http://marcusbrain.blogspot.com

`The music business is a cruel and shallow money trench, a long plastic
hallway where thieves and pimps run free, and good men die like dogs.
There's also a negative side.' HST
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Anonymous_User Absent Member.
Absent Member.

Re: How many nodes required for Novell Cluster

i understand your points, but two is FREE. three is a significant jump in
licensing. i run several two node clusters without issue using shared
scsi.

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Anonymous_User Absent Member.
Absent Member.

Re: How many nodes required for Novell Cluster

True it is free, and I have lots of customers with 2 node shared SCSI
installations, and on average they give me 4 or 5 times as much
problems as a iSCSI or Fibre site, mostly caused by SCSI timeouts or
split brain problems.



On Wed, 17 Aug 2005 13:27:39 GMT, "Keith Larson"
<klarson@DELETETHISk12group.net> wrote:

>i understand your points, but two is FREE. three is a significant jump in
>licensing. i run several two node clusters without issue using shared
>scsi.


Tim
___________________
Tim Heywood (SYSOP)
NDS8
Scotland
(God's Country)
www.nds8.co.uk
___________________

http://support.novell.com/forums/

In theory, practice and theory are the same
In Practice, they are different
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Anonymous_User Absent Member.
Absent Member.

Re: How many nodes required for Novell Cluster

i have some strange problems on my dell cluster server running nw 6.5.2, but
i have another running on hp hardware and nw 6.0.5 and it has been rock
solid since the day that it was setup.


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Anonymous_User Absent Member.
Absent Member.

Re: How many nodes required for Novell Cluster

Keith Larson wrote:
> i understand your points, but two is FREE. three is a significant jump in
> licensing. i run several two node clusters without issue using shared
> scsi.
>

Don't I know it I had 3 two node clusters at one point 😉
File/print, groupwise, and nims

Have fun

Marcus

--
Photos : www.flickr.com/photos/marcusc
Blog : http://marcusbrain.blogspot.com

`The music business is a cruel and shallow money trench, a long plastic
hallway where thieves and pimps run free, and good men die like dogs.
There's also a negative side.' HST
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