01-19-2018 03:11 AM - edited 03-01-2019 06:17 AM
Hello,
I would like to enable SmartZoning feature on a Cisco MDS fabric that currently has already its own classic zoning configuration on VSAN X..
My concern are about whats happen to the pre-existing zones of VSAN X once the feature is enabled....
Thank you
01-20-2018 12:51 AM
Why do you intend to enable smart zoning; how many zones do you have ?
Do to the fact, that TCAM modifications are necessary, I would think that this is disruptive, although very short time !
01-22-2018 06:49 AM
All current zones are created using 1 initiator and 1 target, and now we have to zone several esx hosts to the storage... With SmartZoning enabled would be much easier to create one single zone for each Farm...
We would like to avoid create several 1:1 zones also for the ESXi hosts but don't want to have disruption for current zones that are working in production..
01-22-2018 09:29 AM
Usually, storage vendors recommend single Initiator - single target zoning !
Anyway: there are a few caveats, that you should be Aware of, eg. there are Cisco storage devices that don't support it.
01-25-2018 01:22 AM
Thank you,
yes, I read the specific explanation about smartzoning enablement but the phrase "After it has been enabled for a VSAN, it can be disabled for individual zones" let me think that "After" is already too late to put some remediation activities on pre-existing zones, so it is clear to me that I can disabled this feature for individual zones within the same VSAN "SmartzoneEnabled" but it's not really clear for me if the short time after enabling the feature on the whole VSAN and subsequently the disabling some specific zones from the feature, this last zones are impacted with I/O disruption for a short time or not.
01-25-2018 08:01 AM
I am fairly sure it means a short disruption (TCAM reprogramming).
Quite clear: do this only in a service window ! and/or open a preventive TAC case !
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