node numbers

In a multiple node environment,

What command helps to find out how many number of nodes present in the cluster?
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Alexander Eßer [Alex140181]Connect With a Mentor Software DeveloperCommented:
I suppose this can be done by using the "OLSNODES" command:
DavidSenior Oracle Database AdministratorCommented:
Right answer.  A RAC can be running a single node; commonly two nodes; and by the "book" three nodes.
tonydbaAuthor Commented:
olsnode command can be run from any node of the os level any command options
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DavidSenior Oracle Database AdministratorCommented:
Tony, the command syntax is available in Alexander's URL.
tonydbaAuthor Commented:
I've requested that this question be closed as follows:

Accepted answer: 0 points for tonydba's comment #a39969878

for the following reason:

yes olsnodes will help
Alexander Eßer [Alex140181]Software DeveloperCommented:
The solution was given by EE member(s). So why does he want to close this question by accepting his own answer?!?
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