I think it's important to note here for clarity that lease updates are
transferred between HA participants as they happen after the initial
sync during HA setup is done.
-Doug
On 4/3/25 9:42 AM, Peter Davies wrote:
Hi Jason,
In HA, leases are synchronized each time a HA session is established.
Typically, when one of the HA partners has been restarted.
This is governed by the "sync-lease" HA setting,which default to "true."
The "ha-sync" API command is used to synchronize the leases between Kea
servers.
See:https://kea.readthedocs.io/en/kea-2.7.7/arm/hooks.html#control-
commands-for-high-availability
/Peter
On 03/04/2025 15.20, Jason Creviston wrote:
Does anyone know how often leases sync? We're using memfile to store
leases. The only thing I could find in the docs was "synchronizing the
lease database as needed".
The leases between our HA pair are out of sync, and I'm curious how
often the primary sends the |ha-sync| command to the secondary.
Stork's Leases Search feature is showing a valid IP lease for an
address, but it's only reporting that from the secondary unit. The
lease was allocated on 4/2 12:58 and expires today. I cleared the
lease from a javascript application at some point yesterday afternoon.
I figured the servers would've sync'd leases by now.
Thanks,
*Jason Creviston*
Sr. Network Administrator
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