instace oracle rac

How we will find that instances are up in oracle rac..
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slightwv (䄆 Netminder) Commented:
The olsnodes command provides the list of nodes and other information for all nodes participating in the cluster.
$CRS_HOME or $GRID_HOME/bin/crs_stat -t

you will get something like this:
Name           Type           Target    State     Host
ora....SM1.asm application    ONLINE    ONLINE    rhel1
ora....L1.lsnr application    ONLINE    ONLINE    rhel1
ora....L1.lsnr application    ONLINE    ONLINE    rhel1
ora.rhel1.gsd  application    ONLINE    ONLINE    rhel1
ora.rhel1.ons  application    ONLINE    ONLINE    rhel1  application    ONLINE    ONLINE    rhel1
ora....SM2.asm application    ONLINE    ONLINE    rhel2
ora....L2.lsnr application    ONLINE    ONLINE    rhel2
ora....L2.lsnr application    ONLINE    ONLINE    rhel2
ora.rhel2.gsd  application    ONLINE    ONLINE    rhel2
ora.rhel2.ons  application    ONLINE    ONLINE    rhel2  application    ONLINE    ONLINE    rhel2

or use srvctl
Status of the database, all instances and all services.
srvctl status database -d ORACLE -v

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thomaslijuAuthor Commented:
Yes helped to find the instances are up,,,

select instance_name,HOST_NAME from gv$instance.

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