From: Wlodek Wencel Date: Fri, 24 May 2024 07:08:46 +0000 (+0200) Subject: [#3338] removed paragraph about old HA updates X-Git-Tag: Kea-2.6.0~11 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ed6a007cb7cb5f363ee857091f67835b78e1e454;p=thirdparty%2Fkea.git [#3338] removed paragraph about old HA updates --- diff --git a/doc/sphinx/arm/hooks-ha.rst b/doc/sphinx/arm/hooks-ha.rst index c39ab35d3a..24f0efe970 100644 --- a/doc/sphinx/arm/hooks-ha.rst +++ b/doc/sphinx/arm/hooks-ha.rst @@ -1823,31 +1823,6 @@ partner servers. If this step fails for any server, an error is returned. If that happens, the ``ha-maintenance-cancel`` command can be used to resume normal operations and fix the issue. - -Upgrading From Older HA Versions -~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - -To upgrade from an older HA hook library to the current version, the -administrator must shut down one of the servers and rely on the failover -mechanism to force the online server to transition to the ``partner-down`` state, -where it starts serving all DHCP clients. Once the hook library on the first -server is upgraded to a current version, the :isccmd:`ha-maintenance-start` command -can be used to upgrade the second server. - -In such a case, shut down the server running the old version. Next, send the -:isccmd:`ha-maintenance-start` command to the server that has been upgraded. This -server should immediately transition to the ``partner-down`` state as it cannot -communicate with its offline partner. In the ``partner-down`` state the first -(upgraded) server will respond to all DHCP requests, allowing the administrator -to perform the upgrade on the second server. - -.. note:: - - Do not send the :isccmd:`ha-maintenance-start` command while the server running the - old hook library is still online. The server receiving this command will - return an error. - - .. _ha-control-commands: Control Commands for High Availability