Hi Nick I just checked your syslog and I detected this message that repeat too much
Nov 2 14:03:19 ZLB-01 ucarp[15465]: [WARNING] Bad digest - md2=[c2b4e236...] md=[d4ec2610...] - Check vhid, password and virtual IP address. It shows that there is some issue with your cluster service configuration, some possible errors are: -duplicated ip -vhid repeated -ntp issues if you are working with virual machines you are to be sure that the vm tools are installed and ntp time is configured correctly. I think really there is not issue with TCP farms, the problem is the cluster service that foces to switch the service to other node. please could you run the next commands in your pair zen cluster (node master and backup) and send me output? date /usr/local/zenloadbalancer/app/zenntp/zenntp.pl ps -ef | grep ucarp ps -ef | grep ino ifconfig -a 2012/11/2 Nick Furnell <[email protected]> > Hi > > Unfortunately, it has gone off again even after the new VHID has been > applied. I have performed a fail over of the Node and it has come back up > again, but it only lasts 20 minutes or so.. here are the syslog reports. > > Is their a way to display the VHID in the config files? > > Thanks Nick > > >>> "Emilio Campos" <[email protected]> 02/11/2012 15:33 >>> > > About cluster good news. Can you confirm that the problem of tcp farms is > solved now when cluster is working like a charm? > > There is not sense to tcp farms stops working because we modified nothing > in v3 for tcp farms > > 2012/11/2 Nick Furnell <[email protected]> > >> Hi Emilio >> Your right about the VHID - I installed the 2nd cluster in the same >> subnet as the first cluster, so their will be a clash! I have gone into >> Settings, Cluster, Configure Type and set the new VHID to 2. I have sync'd >> the two nodes and it looks ok now. >> Are you able *display* or better still *test* for the existence of a >> VHID in a subnet during the ZLB installation phase? Maybe a fix for the new >> version?? >> I am not sure what you want from me regarding the two farms? The TCP >> farm went down, but the HTTP profile was still working fine - what do you >> need. >> Thanks >> Nick >> >> >>> "Emilio Campos" <[email protected]> 02/11/2012 13:17 >> >>> >> >> Nick this lines: >> Nov 2 11:17:31 ZLB-02 ucarp[29155]: [WARNING] Bad digest - >> md2=[c6e7152c...] md=[20a5d1bf...] - >> Check vhid, password and virtual IP address >> >> It tells that there is a misconfiguration in cluster service. In the same >> subnet you are running two clusters with: >> or the same vhid >> or the same vip >> or duplicated ip >> >> vhid is an important value for vrrp clusters (zen load balancer cluster >> service) and this value has to be unique, by default is 1, please be sure >> that you configured two cluster services in your network with a different >> value in both cases and of course there is not duplicated ip >> >> other question, you said that tcp farm goes down but not http farm, can >> you say me what vip are using both farms? I'm sure that tcp farm and http >> farm are working with different vips. >> >> It's not a TCP farm issue, better a misconfiguration issue for cluster >> service. * >> * >> I don't know if this is yuor case but by the way other important issue is >> that It isn't recommended to configure farms in ip where zen cluster >> services are running * >> >> *Regards >> >> >> > > [image: Transform Cosmetic Surgery Group] <http://transforminglives.co.uk> > [image: > Facebook] > <http://www.facebook.com/pages/Transform-Cosmetic-Surgery-Group/205104022833332> > [image: > Twitter] <http://twitter.com/transformOnLine> > > Transform Medical Group(CS) Ltd. is registered in England and Wales, > number 3228476. > The registered office is at 192 Altrincham Road, Manchester, M22 4RZ. 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