The below article is designed to be a guidance of how long each section of the OnApp upgrade process will potentially take for an upgrade between a single sequential release. It should not be taken as any guarantee of upgrade time. There are a number of factors which could affect this timing in either direction.
Section 1
Pre Upgrade checks
20 minutes
Section 2
Upgrade of OnApp Storage/Cloudboot tools
15 Minutes with fast download speed
45 Minutes with medium download speed
90+ Minutes with slow download speed
Section 3
Upgrade of Cloudboot HVs (liveupgrade method)
10 minutes per HV
1 minute per Windows VM (To cover stopping/starting)
Upgrade of Cloudboot HVs (reboot method)
1 minute per VM (To cover stopping/starting)
30 minutes to reboot HVs and perform needed checks
Upgrade of Static HVs
10 minutes per HV (in some cases can be run in parallel)
Section 4
Upgrade of static backup servers
10 minutes per Backup Server
Upgrade of cloudboot backup servers
10 minutes for a reboot
Section 5
Upgrade of OnApp CP
OnApp database size:
Up to 1GB = 15 minutes
Up to 3GB = 40 minutes
Up to 6GB = 70 minutes
Up to 10GB = 120 minutes