Hi Shaheed, Thanks for taking time to test this!
Just to clarify the exact problem, do you mean that data is not synchronized between the active and passive nodes or they are not persisted in the active node? Thanks On Sunday, May 3, 2015, Shaheedur Haque (shahhaqu) <shahh...@cisco.com> wrote: > > I have been looking into our use of Linux HA to setup an Active-Passive > configuration. Testing indicates that in 4.1 (beta1), several objects seem > not to be persisted properly. This includes at least: > > - Cartridges > - Deployment policies > > Am I missing something? Is it safe to workaround this by replaying those > objects? > > > ------------------------------ > *From:* Imesh Gunaratne [im...@apache.org > <javascript:_e(%7B%7D,'cvml','im...@apache.org');>] > *Sent:* 23 April 2015 10:47 > *To:* dev > *Subject:* Re: Clustered deployments of Stratos > > Hi Shaheed, > > Currently N-way clustering is still not possible with CC, AS & SM. We > completed the initial phase of this feature however it was not completed. > You could refer mail thread "[Discuss] Clustering Feature Implementation > for 4.1.0-Alpha Release" for details. > > However at present [1] is valid. We could use Linux HA and deploy CC, AS > and SM in Active-Passive mode. > > Thanks > > > > On Thu, Apr 23, 2015 at 2:41 PM, Shaheedur Haque (shahhaqu) < > shahh...@cisco.com <javascript:_e(%7B%7D,'cvml','shahh...@cisco.com');>> > wrote: > >> Hi, >> >> >> >> We currently try to achieve HA with Stratos using something so unpleasant >> that I won’t even describe it here J. It has been suggested that Stratos >> has, for a while now, supported a clustered mode of deployment where, given >> N servers: >> >> >> >> · The SM, AS and MB operate in a N-way clustered mode >> >> · The CEP operates in a N-way loadsharing mode >> >> · The Cartridge Agents can react to a failure in one of the N >> CEPs by failing over to one of the other N-1 remaining servers >> >> >> >> In looking for documentation on how to set this up, I came across these >> two write-ups [1] and [2]. Questions: >> >> >> >> · Both these documents mention only using N=2. Is that still >> correct? >> >> · [1] Seems recently written, and [2] is a little older but not >> much. Are both documents still regarded as current? >> >> >> >> Also, I’d love to hear any other experiences people have of running >> configurations like this. >> >> >> >> Thanks, Shaheed >> >> >> >> [1] >> https://cwiki.apache.org/confluence/display/STRATOS/4.1.0+Configuring+HA+Using+Pacemaker+and+Heartbeat >> >> [2] http://blog.lasindu.com/2014/08/wso2-private-paas-supporting.html >> >> >> >> >> >> >> > > > > -- > Imesh Gunaratne > > Technical Lead, WSO2 > Committer & PMC Member, Apache Stratos > -- Imesh Gunaratne Senior Technical Lead, WSO2 Committer & PMC Member, Apache Stratos
