Applies To:Show Versions
BIG-IQ Centralized Management
BIG-IQ Upgrade FAQs
FAQs: BIG-IQ Upgrade to 8.1
Which BIG-IQ versions can be upgraded?
How long will the upgrade take?
How do I know the device upgrade completed successfully?
What happens post-upgrade?
Data Collection Device upgrade
Does this version support rolling upgrade (minimal
Are statistics collected during the upgrade?
- Regular upgrade
- No. As soon as the system the begins upgrading the devices, statistics collection is suspended until all devices are upgraded. Statistics collection resumes once the upgrade is completeDuring the re-indexing period following the upgrade, objects and historical statistics data might not return the expected results. Results will be displayed as expected once re-indexing is complete. During this time, you can continue with the rest of the upgrade process.
- Minimal downtime (rolling) upgrade
- Yes. Statistics are collected while the DCDs are incrementally updated, allowing for the devices that are currently online to collect data. There may be a short period of down time when the BIG-IQ device is offline.
Why can't I query Elasticsearch cluster?
Sample command for querying the DCD nodes:curl -k -u admin:admin https://localhost:9200/<query>
curl -k -u admin:admin https://localhost:9200/_cat/nodes?v