tiup: add notice about importing cluster that don't have all nodes mo… (#6659) #6691
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This is an automated cherry-pick of #6659
…nitored
First-time contributors' checklist
What is changed, added or deleted? (Required)
Some clusters deployed by TiDB-Ansible may not having monitoring agents deployed on all nodes, and if the user imported the cluster with TiUP Cluster, future operations may fail.
This PR adds a notice to the import doc to guide the user to deploy monitoring agents to all nodes before importing to TiUP Cluster.
This PR changes the manual page of
tiup cluster import
subcommand, I'll file another PR to change the import guidance doc in therelease-4.0
branch.Which TiDB version(s) do your changes apply to? (Required)
What is the related PR or file link(s)?
Do your changes match any of the following descriptions?