At times, we may have to deal with a faulty FA port in a Symmetrix array and want to find out the Servers affected due to this loss of path. In fact we want to know the list of port groups in which this particular faulty port is a member and related Masking View information.
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We cannot create any more devices once the over-subscription in a VMax3 array reaches somewhere between 130 to 140%. This cut-over point changes according to the cache configured and utilized in the array. In this situation, if you come across any urgent provisioning for an existing host, one of the possible solutions is to delete some unused devices to create new.
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There are several methods to remove the visibility of devices allocated to a server from a VMax3 storage Array. I am going to explain each one of these ways with the steps involved.
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