Hi Jason, I believe that to be the case, yes.
On Thu, Apr 3, 2025 at 1:52 PM Jason Creviston <jcrevis...@weendeavor.com> wrote: > Ok, thanks Darren. I can definitely do that. > > I wasn't expecting the API calls to sync, but rather the HA to trigger a > lease sync if one of the servers received a command to delete a lease. > > Knowing this now, is it safe to say that the leases only sync when normal > DHCP DORA traffic is processed? > > > Thanks, > > > *Jason Creviston* > Sr. Network Administrator > P: 765-795-9305 2 S. West Street – P.O. Box 237, > Cloverdale, IN 46120 > Book an appointment with me! > <https://outlook.office365.com/owa/calendar/jasoncrevis...@weendeavor.com/bookings/> > > weEndeavor.com <http://weendeavor.com/> GigTel.com <http://gigtel.com/> > EndeavorIT.com > CONFIDENTIALITY NOTICE: The information in this Email and my attachments > are confidential and may be privileged. This Email is intended solely for > the named recipient or recipients. If you are not the intended recipient, > any use, disclosure, copying or distribution of this Email is prohibited. > If you are not the intended recipient, please inform us by replying with > the subject line "Wrong Address" and then delete this Email and any > attachments. Endeavor Communications uses regularly updated anti-virus > software in an attempt to reduce the possibility of transmitting computer > viruses. We do not guarantee, however, that any attachments to this Email > are virus-free. > ------------------------------ > *From:* Kea-users <kea-users-boun...@lists.isc.org> on behalf of Darren > Ankney <darren.ank...@gmail.com> > *Sent:* Thursday, April 3, 2025 1:37 PM > *To:* Kea user's list <kea-users@lists.isc.org> > *Subject:* Re: [Kea-users] HA syncing lease database > > Hi Jason, > > If you want to manually manipulate the leases (which is normally not > recommended, but I assume you have good reason for doing this), then you'll > have to send the delete to both servers. I do not believe that these API > calls will be synced. > > Thank you, > Darren Ankney > > On Thu, Apr 3, 2025 at 1:10 PM Jason Creviston <jcrevis...@weendeavor.com> > wrote: > > Hmmm. Thanks for the clarification Doug. > > Now I'm wondering why the secondary is holding onto this lease. I've > checked Stork, and the HA status between the pair is good (per Stork; > screenshot attached, if those come through). > > This takes me back to the timing of lease updates. Is it supposed to be in > relative realtime? I was just able to replicate the issue again. > > To be clear, when I'm deleting the lease on the primary server, I'm > running the below command within a javascript app. This is successful on > the primary, which I can verify within Stork, and my javascript code when > searching for the lease with a lease4-get command. > > const body = JSON.stringify({ > "command": "lease4-del", > "service": [ "dhcp4" ], > "arguments": { > "ip-address": `${ip}` > } > }) > > try { > const delete_result = await fetch(`http://${server}:8000`, { > method: 'POST', > body, > headers: { > 'Content-Type': 'application/json', > } > }) > > > > Thanks, > > > *Jason Creviston* > Sr. Network Administrator > P: 765-795-9305 2 S. West Street – P.O. Box 237, > Cloverdale, IN 46120 > Book an appointment with me! > <https://outlook.office365.com/owa/calendar/jasoncrevis...@weendeavor.com/bookings/> > > weEndeavor.com <http://weendeavor.com/> GigTel.com <http://gigtel.com/> > EndeavorIT.com > CONFIDENTIALITY NOTICE: The information in this Email and my attachments > are confidential and may be privileged. This Email is intended solely for > the named recipient or recipients. If you are not the intended recipient, > any use, disclosure, copying or distribution of this Email is prohibited. > If you are not the intended recipient, please inform us by replying with > the subject line "Wrong Address" and then delete this Email and any > attachments. Endeavor Communications uses regularly updated anti-virus > software in an attempt to reduce the possibility of transmitting computer > viruses. We do not guarantee, however, that any attachments to this Email > are virus-free. > ------------------------------ > *From:* Kea-users <kea-users-boun...@lists.isc.org> on behalf of Doug > Freed <dwfr...@isc.org> > *Sent:* Thursday, April 3, 2025 11:19 AM > *To:* kea-users@lists.isc.org <kea-users@lists.isc.org> > *Subject:* Re: [Kea-users] HA syncing lease database > > CAUTION: This email is from OUTSIDE our organization. Please do not > open/download any attachment or click any link unless you know it's safe. > > 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 > >> P: 765-795-9305 2 S. West Street – P.O. Box 237, Cloverdale, IN 46120 > >> Book an appointment with me! <https://outlook.office365.com/owa/ > >> calendar/jasoncrevis...@weendeavor.com/bookings/> > >> > >> weEndeavor.com <http://weendeavor.com/> GigTel.com <http:// > >> gigtel.com/> EndeavorIT.com <http://EndeavorIT.com> > >> CONFIDENTIALITY NOTICE: The information in this Email and my > >> attachments are confidential and may be privileged. This Email is > >> intended solely for the named recipient or recipients. If you are not > >> the intended recipient, any use, disclosure, copying or distribution > >> of this Email is prohibited. If you are not the intended recipient, > >> please inform us by replying with the subject line "Wrong Address" and > >> then delete this Email and any attachments. Endeavor Communications > >> uses regularly updated anti-virus software in an attempt to reduce the > >> possibility of transmitting computer viruses. We do not guarantee, > >> however, that any attachments to this Email are virus-free. > >> > >> > > -- > > Peter Davies > > Support Engineer > > Internet Systems Corporation > > pet...@isc.org > > 001 650-423-1460 > > > > > > -- > ISC funds the development of this software with paid support > subscriptions. Contact us at https://www.isc.org/contact/ for more > information. > > To unsubscribe visit https://lists.isc.org/mailman/listinfo/kea-users. > > Kea-users mailing list > Kea-users@lists.isc.org > https://lists.isc.org/mailman/listinfo/kea-users > -- > ISC funds the development of this software with paid support > subscriptions. Contact us at https://www.isc.org/contact/ for more > information. > > To unsubscribe visit https://lists.isc.org/mailman/listinfo/kea-users. > > Kea-users mailing list > Kea-users@lists.isc.org > https://lists.isc.org/mailman/listinfo/kea-users > > -- > ISC funds the development of this software with paid support > subscriptions. Contact us at https://www.isc.org/contact/ for more > information. > > To unsubscribe visit https://lists.isc.org/mailman/listinfo/kea-users. > > Kea-users mailing list > Kea-users@lists.isc.org > https://lists.isc.org/mailman/listinfo/kea-users >
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