CLUSTAT need downtime for a new clustered disk ?

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Hello guys,
please I need some help, I need to add a new disk (a new resource) in a phisycal cluster with
HIGH-AVAILABILITY system (clustat).
My question is, I need to schedule a downtime or not ?

Some info:
OS: Red Hat Enterprise Linux Server release 6.5 (Santiago)

[root@in03dp1x ~]# clustat
Cluster Status for OCPRD01 @ Fri Nov 6 09:11:58 2020
Member Status: Quorate

Member Name ID Status
------ ---- ---- ------
in03dp1x.cluster 1 Online, Local, rgmanager
in04dp1x.cluster 2 Online, rgmanager
/dev/block/253:10 0 Online, Quorum Disk

Service Name Owner (Last) State
------- ---- ----- ------ -----
service:ESM99P1O in03dp1x.cluster started
service:MAM99P1O in03dp1x.cluster started
service:OIF99P1O in03dp1x.cluster started
service:P2P99P1O in03dp1x.cluster started
service:PAO99P1O in03dp1x.cluster started
service:QAD99P1O in03dp1x.cluster started
service:RMN99P2O in03dp1x.cluster started
service:SMP99P1O in03dp1x.cluster started
service:SNQ99P1O in03dp1x.cluster started
service:SPF99P1O in03dp1x.cluster started
service:TEST in03dp1x.cluster started
service:TTM99P1O in03dp1x.cluster started

/dev/mapper/vg_QAD99P1O-lv_admin 9.9G 4.0G 5.4G 43% /oracle/oradata/QAD99P1O/admin
/dev/mapper/vg_QAD99P1O-lv_archive 60G 201M 56G 1% /oracle/oradata/QAD99P1O/archive
/dev/mapper/vg_QAD99P1O-lv_data01 985G 912G 23G 98% /oracle/oradata/QAD99P1O/data01
/dev/mapper/vg_QAD99P1O-lv_redo01 15G 8.2G 5.9G 59% /oracle/oradata/QAD99P1O/redo01
/dev/mapper/vg_QAD99P1O-lv_redo02 15G 8.2G 5.9G 59% /oracle/oradata/QAD99P1O/redo02

I would like to add a new volume "data" like data02:
/dev/mapper/vg_QAD99P1O-lv_data02 /oracle/oradata/QAD99P1O/data02

CM

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