If storage team extended the existing LUN instead of creating new LUN, below steps need to follow.
Run multipath -ll command and search the device info which is mapped to the LUN.
root@nsk# multipath -ll | grep -A 6 -i 3600a09634224747a367d4b55357c4f87
3600a09634224747a367d4b55357c4f87 dm-6 NETAPP,LUN C-Mode
size=400G features='4 queue_if_no_path pg_init_retries 50 retain_attached_hw_handle' hwhandler='0' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
|- 2:0:0:1 sdg 8:96 active ready running
`- 1:0:0:1 sdc 8:32 active ready running
3600a09803830436a345d4b51506c4f43 dm-2 NETAPP,LUN C-Mode
size=110G features='4 queue_if_no_path pg_init_retries 50 retain_attached_hw_handle' hwhandler='0' wp=rw
As per above output, sdg and sdc is the devices. Now rescan the LUN.
root@nsk# echo "1" > /sys/block/sdg/device/rescan
root@nsk# echo "1" > /sys/block/sdc/device/rescan
Reload multipathd service
root@nsk# /etc/init.d/multipathd reload
Resize the PV (provide complete path like below)
root@nsk# pvresize /dev/mapper/3600a09634224747a367d4b55357c4f87
Extend the LV
root@nsk# lvextend -L +199.95g /dev/mapper/oracle_vg-oracledata
Thursday, November 8, 2018
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Extend the cluster file system by extending the existing netapp storage lun in RHEL server
Extend the cluster file system by extending the existing netapp storage lun in RHEL server
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