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October 3rd, 2016 14:00
Replicating Data between VMAX 20K & XtremIO?
We are in the process of moving off of our VMAX 20K onto a new XtremIO 40TB array. For some of our bigger SQL clusters and other physical systems we were planning on using Recoverpoint to do the migration of those LUNs all within the same RPA Cluster. We have everything setup and licenses for both local and remote of our XIO, but for some reason, RPA will not see the XIO target LUNs. has anyone experienced this? Any gotchas on moving data from VMAX to XIO using RPA?
Thanks in advance....
Jim
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jstrong0405
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October 4th, 2016 09:00
So we got it figured out:
It appears that the LUNs on the XIO side need to be the exact same size in KB as the source LUNs on the VMAX. Set those up and it worked great! Thank you all for your input
echolaughmk
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October 4th, 2016 03:00
A couple quick questions come to mind:
- do you have the RPAs zoned to the XtremIO array per the deployment notes?
-did you register the RP cluster with the XMS of the XtremIO cluster with the rp_user credentials you set?
- have you created all the proper IGs in XtremIO for the RPA ports zoned in and done the mapping correctly in XtremIO for the LUNs you want to see?
-as a check, does the XtremIO RP license that you added to RP have the corrext serial, etc? This can also cause volumes to not be seen if all of the other items are in place.
forshr
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October 4th, 2016 08:00
Keith has highlighted the main focus areas with the most common one being that when you register the XtremIO array as storage in the RP UI or CLI you use the rp_user/rp_user as the credentials. This is the most common reason for the LUN visibility issue you are experiencing. The reason for the mistake is often because users log into XMS as admin and do not see the rp_user in the list of users, whereas the tech user does.
The use of rp_user is documented in the relevant documentation, e.g. the RP/XtremIO Tech Note.
Regards,
Rich Forshaw
RecoverPoint Corporate Systems Engineering
forshr
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October 5th, 2016 01:00
Ah yes. The XtremIO does not currently allow for what is termed as 'fake sizing' whereby the larger copy volumes are geometrically reduced from an RP perspective to match the source volumes.