How to plan a reboot of the OnCommand Insight host
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The OnCommand Insight (OCI) "SANscreen Server: service is configured with 'Automatic (Delayed Start)'.
'Automatic (Delayed Start)' by default provides 2 minutes between dependent services.
Certain environment conditions result in the default 2 minute delayed start to not be enough for Elasticsearch to start resulting in SANscreen to start in what appears to be a hung state.
Attempts to navigate to the OCU WebUI could result in 404 browser messages.
Before anything else, make sure
- If a virtual machine, the resources must be reserved
- OCI weekly backups are configured and functioning
- Performance data archiving is configured and functioning
- Create a backup manually
Use the following procedure to prevent the hung behavior when rebooting for OS patches, VMware Tools upgrades, etc.