dear deval, I am also using the same thing .Did u install oracle 10g on active/passive cluster.If u then pl send me the doc bcos i was unable to do the installation of oracle 10g on cluster. regards Suvankar Moitra 0-9830152623 --- Deval kulshrestha <deval.kulshrestha@xxxxxxxxxxxxxxx> wrote: > Hi > > I am struggling to get some help on following > configuration. This setup is > intended to put live in a data center for 24 x 7 > x365, any issue that makes > my environment unstable is very critical here. > > > > > > My HA Cluster Setup details > > > > 1. HP DL 360 G4p Server 2nos. > 2. HP MSA 500 G2 (SAN) 1nos. > 3. RedHat Enterprise Linux 4 ES > 4. Red Hat Cluster Suite 4 > > > > Server does have a HP SCSI HBA. MSA 500G2 is a scsi > based SAN. Both of these > server are connected to SAN using SCSI VHDCI cable. > I used a network switch > to establish network connectivity for the server. > created a disk array of > three HDD on SAN with two logical volumes than I > have installed RHEL 4 > Update 1 on both server(Servers are configured with > RAID 1) than installed > all HP drivers and management agents. After server > configuration and OS > installation I have installed Red Hat Cluster Suite > v 4 on both the machine. > > > > Than I have configured Cluster using Cluster > Configuration Manager. Added > member hosts, configured fence device and assigned > to member host(HP iLO is > certified as an fence device), Configured Failover > domain with node > priority, configured resources such as floating IP > address, File System, > Script, than configured service which need to be run > in HA mode. > > > > After configuring this I have tested with various > scenario HA is working > properly, when ever powered off any machine , > services fail over on > available node. > > > > Problem: > > > > If network goes off on node1, and service which were > not running on node1 > are started by node1 with shared storage mount > point, which was already > running on node 2 but both of these nodes are not > able to communicate to > each other, node2 anyway already running the same > service with shared > storage mount point. Because of Fencing both of > these nodes try to kill each > other. Both of they got hanged up at "Stoping > Cluster manager Services.".In > /var/log/messages, it shows fencing s1, fence > successful. > > If we disable fencing than > > If network comes back nodes don't synchronize with > each other. Shared > storage mount point is available to both the > servers. If they try to access > storage at same storage gives IO errors. Hence this > entire setup become very > unstable, fragile. > > > > > > > > > > > > > > With Regard > > Deval > > Progression Infonet Pvt. Ltd. > 55, Independent Electronic Modules, > Sector - 18, Electronic City, > Gurgaon - 122015 > > India > Tel : - 0124 - 2455070, Ext. 215, Fax: > 91-124-2398647 > Mobile : - 98186 -82509 > URL : - www.progression.com > > > > =========================================================== > Privileged or confidential information may be > contained > in this message. If you are not the addressee > indicated > in this message (or responsible for delivery of the > message to such person), please delete this message > and > kindly notify the sender by an emailed reply. > Opinions, > conclusions and other information in this message > that > do not relate to the official business of > Progression > and its associate entities shall be understood as > neither > given nor endorsed by them. > > > ------------------------------------------------------------- > Progression Infonet Private Limited, Gurgaon > (Haryana), India > > -- > > Linux-cluster@xxxxxxxxxx > https://www.redhat.com/mailman/listinfo/linux-cluster __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com -- Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster
