resize lun protected by recoverpoint and srm
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Phil is an IT director at a SMB callcenter nearCharlotte, NC. Phil specializes in datacentertechnologies, including all things cloud, VDI, InfoSec, and VoIP. Phil is a VMware CertifiedProfessional and was selected as a vExpert for2013, 2014, and 2015.
Resize LUN protected by Recoverpoint and SRMby Philvirtual on OCTOBER 12, 2014 in VMWARE
This is not a task that I do very often, but when I do, I seem to forget the “gotchas” inthis process. Documentation is not cohesive, so below are my steps to follow.
**If you have RecoverPoint 3.5 SP1 or later and the VNX splitter with a VNX runningOE for Block 05.32 or later exist at all copies, you can use Dynamic LUN Resizinginstead. See the Recoverpoint Administrator Guide page 188.**
Technologies Involved:
EMC VNX 5500 (Production)EMC NS-120 (DR)VMware Site Recovery Manager (Both sides)VMware vCenter/vSphere 5.5 (Both Sides)EMC Recoverpoint Appliances (HW Version 5, SW Version 4)
High Level:
1. Disable RP Group, remove replication2. Resize Storage LUNs on both sides3. Resize Storage VMFS volumes in vCenter4. Add Replication back and Enable RP Group5. A full sweep will occur and all of the data will most likely be re-replicated.
The more detailed steps may be different in your situation. For instance, you may have directattached LUNs to VMs or Physical machines in lieu of VMFS on the LUNs.
Detailed Steps:
1. Login to the Recoverpoint GUI (Unisphere)2. Click Protection > Manage Protection.3. Click your Consistency Group (CG) that contains the replicated LUN you want to
change.4. Click Group Policy tab.5. Under External Management, change “Managed By” to Recoverpoint and click
Apply.6. Back on the main Status tab for your CG, click “Disable Group” at the bottom.7. Select the Replication Sets tab and select the replication set that contains the LUN
in question.8. Click Remove Replication Set and choose yes to confirm.9. Now in a new browser window, login to the production VNX GUI (Unisphere).
10. Resize the LUN in question.11. Now in a new browser window, login to your DR SAN (NS-120 in my case) and resize
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the LUN to the EXACT same size as your Production LUN.12. Login to vCenter.13. Browse to Hosts and Clusters.14. Find and select a host where the LUN is attached and click Configuration, Storage.15. Find the LUN in question and right click on it, choose Properties.16. Select Increase and follow the wizard of your new volume.17. Now head back over to Recoverpoint (you should still be on the Replication Sets
tab).18. Select Add Replication Set.19. Select your Production Volume from the list first and choose “Next Select Copy
Volumes”20. Select your DR (copy) volume from the list and choose “Next to Review”.21. Once you’re finished reviewing, choose Finish.22. Choose the Status Tab and click Enable Group.23. Head back to the Group Policy tab, and under External Management, change
“Managed By” back to SRM. Click Apply.
If you find a mistake in my steps above, or have any suggestions, please continue theconversation below in the comments section!
More information can be found about Recoverpoint in the Administrator Guide.
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