|
Tanel,
Are
you sure that all nodes hang when one node dies? Not in my experience ... do you
have version numbers on hand?
I am
very interested ... as I have 5 production and about 25+ (devl/acpt type)
instances on RAC and when node dies the other one always takes over. But I am
very interested ...
Raj
However, failed transactions must be handled from
client side. Queries may migrate to surviving nodes
transparently.
Also, currently RAC has many problems, such all
nodes hanging when one node dies. Completely separate systems are still (an
will always be) the most available solution.
Tanel.
----- Original Message -----
Sent: Monday, July 28, 2003 7:49
PM
Subject: Re: clustering
Another Important different
is that RAC is best High Availability solution in case of System/Instance
Failure where in case of HP or Veritas Cluster, all of the resource get
stopped on live system/node of the cluster and then get started on second
node and hence user will be affected. But in case of system or Instance
failure, there is seamless transition of the User session in RAC
Indy Johal
|
| "Ron Rogers"
<[EMAIL PROTECTED]>
Sent by: [EMAIL PROTECTED]
07/28/03 12:29 PM
Please respond to ORACLE-L
|
To: Multiple recipients of list ORACLE-L
<[EMAIL PROTECTED]>
cc:
Subject: Re:
clustering |
ak,
As I understand it, an HP cluster is 2
boxes that have the capability
to access the same disks and data but only
one can have the oracle
instance running and accessing the
datafiles(active). Sort of like a
high availability option.
With RAC
both boxes can access the instance and datafiles at the
same
time.
List, Correct me if I need it.
Ron
>>>
[EMAIL PROTECTED] 07/28/03 12:14PM >>>
Hi Guys ,
I am new
to this clustering concept. Just trying to understand few
basics . Need
ur help .
what is differece between oracle running on sun /hp cluster
with 2
nodes and oracle with RAC running on 2 nodes ?
thanks,
-ak
--
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Author: Ron Rogers
INET:
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San Diego, California
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