Question |
What is terminology used for sync and async replication in VNX and how is the partnership established? |
Answer |
Mirrorview sync / async is the terminology as like as CLARiion we can do the partership and configure the both. For configuration if needed i ll share the guide. |
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Question |
What is the primary difference between vnx and vnxe? |
Answer |
vnx is have both the block and file… vnxe is only for block as same as clariion |
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Question |
How does this perform better than say HP 3PAR or any other competition ? |
Answer |
VNX is unified and 3par is only for block doest support file |
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Question |
List out the features of EMC VNX replication? |
Answer |
Snapshot , clone , mirrorview , san copy all are the features of the VNX replication |
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Question |
Does it have native replication software or it leverages Recoverpoint ? |
Answer |
it contains native tool for replication |
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Question |
What if we require to do replication between storages of different vendors? |
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Answer |
We can replicate between two vnx storages by using mirrorview. for different storages we cannot replicate the data but we can migrate the storage by using san copy. |
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Question |
How to find MIB OID values for failure related isuses in vux5300 model storage |
Answer |
We can get it from emc support site and Hardware team |
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Question |
What is RPA ? how to configure RPA ? what are the requirments for this ? |
Answer |
Recovery point applicance between 2 stage we can place the recovery point applicance… we can do local & remote replication and also we can perform clr , crr & cdp.. fpr configuration and requirement i ll share the document for the same |
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Question |
Explain about snapsure snapshot? |
Answer |
To create user checkpoints of the primary file system and copy on first wrtie activity , |
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Question |
What is the difference between snapshot and snap clone? |
Answer |
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Both are local replication and clone will have the full copy of the source lun and same size of source lun. snap take only the snapshot of the source by using cofw |
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Question |
RPA and mirror view are same or different? If so then what are they? |
Answer |
Both are different mirror view is the remote replication. RPA is alone applicance RPA is the emc device. which we can add between the two storages |
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Question |
When are snap shot and snap clone used or required? |
Answer |
its depends upon your environment. if you need the sap clone lun for the testing you can use the snap clone else we can go for snap shot it will use less space. |
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Question |
How to enable SNMP on vnx storage |
Answer |
http://corpusweb130.emc.com/upd_prod_VNX/UPDFinalPDF/jp/Events_and_Notifications.pdf , we can enable in gui or cli |
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Question |
What are the issues we get in vnx except hardware failuers ? |
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Answer |
Share access issue, replication issue & so on depends upon the setup and how we configured. |
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Question |
How mirrorview different from VNX replicator? |
Answer |
Replicator is an async file systel level replicaiotn twih RPO , provides oraganizaion with the ability to handle disastros events by transferrign the NFS / cifs to dr site |
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Question |
SAN copy enabler required with VNX or not to use this feature? |
Answer |
local protection we can use clone also, we can do san copy for local replication also. rpa seperatly we can use for remote replication |
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Question |
3PAR also has an ASIC chip..so how does EMC respond to this as that chip ensures better performance |
Answer |
firmware and os is different and enahace the hardware peformance and architecture is differnt for both stg’s |
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Question |
Can we use mirrorview and RPA together for remote Replication? |
Answer |
Yes we can use. but mirrorview is the remote replication which will come wit the vnx storage itself but RPA is the seperate appicance which we need to procure from EMC. |