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shankar_kolli
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June 27th, 2017 21:00
shrinking vplex voulmes
Hi
I have one query about shrinking vplex voulmes since we have vPlex with Local configuration .
As I have EMC Unity back end array where in 4TB LUN created and presented to ESXI host via vPlex. Since I expanded LUN size from 4 to 6TB from back end array and then from vplex discovered New LUN Size and also i m able to see new size from vMware ESXi host under datastore properties .(I have not extended yet new size of storage from vmware datastore)
But for some reasons, now I have to shrink the LUN size back to original LUN Size(from 6TB to 4TB),so please can someone help how to shrink volume/LUN from vplex and back end array respectively .
Below are few more details to understand setup.
Vplex: Vplex Local v6.0
Single Cluster
2 Directors
Back end array is EMC Unity
No recovery Point configured .
Thanks in advance for your support.
shankar_kolli
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Posted June 28th, 2017 21:00
Hi Ankur,
Thanks for your response.
To achieve desired requirement (shrinking the volume) ,can below method work fine
*Create new LUN with required Size in the array and present to vPlex
*Migrate Volume data from existing Volume into new volume using mobility option in vplex
*Then decommission the old volume and LUN from vplex and array respectively .
Thanks
ankur.patel
2 Intern
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286 Posts
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Posted June 29th, 2017 05:00
You cannot migrate to a smaller volume using the mobility function. Only same size or larger. The method I mentioned is the only way to do it unless you want to us vmotion
shankar_kolli
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Posted June 29th, 2017 22:00
Ok,Thanks for great info.
ankur.patel
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286 Posts
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Posted June 28th, 2017 09:00
VPLEX does not support lun shrink at this time. You would need to take the lun away from vplex and represent it as if you were doing an encapsulation.