ERP 12.2.3 storage migration plan
1. Pre health checks.
2. Creation New diskgroup(+OCR) with normal redundancy containing 3 disks.
3. Stop Both application nodes(erppap01,erppap02).
4. Stop both the instances(PIC1 & PIC2).
5. Move ocr and votedisk to new diskgroup(+OCR).
6. Move asm spfile to new diskgroup(+OCR).
7. Move controlfile into multipule diskgroups(+PEBSDG1,+FRA,+OCR).
8. Stop RAC nodes(erppdb01,erppdb02).
9. Start RAC nodes (erppdb01,erppdb02).
10.Start the instances (PIC1 & PIC2).
11.Add New disks to (+PEBSDG1).
12.Add New disks to (+FRA).
13.Once the data get mirror into new disks remove old disks from diskgroups (+PEBSDG1,+FRA).
14.Start Both application nodes(erppap01,erppap02).
15.Stop and Start the complete PNHIC environment.
16.Removable of old LUN's ( Mr Sajan ).
17.Post health checks.
18. Release instance.
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