NetAppDocs
Clarify namespace limitations
Page URL
https://docs.netapp.com/us-en/ontap/nvme/support-limitations.html
Page title
NVMe configuration, support, and limitations
Summary
I think this part could use some additional clarifications:
When working with NVMe namespaces, you should be aware of the following:
- If you lose data in a LUN, it cannot be restored from a namespace, or vice versa.
What type of "restore" does this refer to? I think it refers to SnapRestore (single-file? volume?) and that LUNs and namespaces are different things that cannot be "single-file snap-restored" to each other. But as it is written it sounds a bit ambiguous (e.g. you can always do a client-side restore of the data in a LUN, but not the LUN itself). Maybe rewrite it something like this: "You cannot use SnapRestore to restore a namespace from a LUN or vice-versa"
You cannot create a namespace on a volume transition from Data ONTAP operating in 7-mode.
Grammar error. Should be: "...on a volume transitioned from..."
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@darkstar thank you for your feedback. by "SnapRestore" I think you are referring to the snapmirror restore command. And you are correct that snapmirror restore can't be used. I think the general intent of the statement is to say, regardless of method (CLI or SM), you cant' restore a namespace from a snapshot of a LUN. Making the update to read: "You cannot restore a namespace from a snapshot of a LUN and vice versa."
Please comment if you feel additional clarity is needed.
