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Operating Systems HP-UX Mount FIle systems from node-1 onto node-2 Post 302907517 by vbe on Sunday 29th of June 2014 05:24:59 AM
Old 06-29-2014
1) Yes, but with disastrous results ( just a question of time (short…)). So that is why you mount VG in SGMC as exclusive the same is true with AIX HACMP etc..
Normally you choose one server as the master, the reason is that server gets all new/change configuration when validated are replicated to the other node (when 2 nodes).
So to be sure you are talking of same VG both sides it is wise to give them same name and same major number when you create the VG on both side…
From home and not having touched to a HP cluster for now 8 years, it is difficult for me to say more…( notes are at work…)
One thing be sure you have same devices both sides, when a VG ( on master) is completed with all its PV and Lv defined, you use vgexport command with -p (preview) to create a map file etc you copy on the second node and use vgimport

2) a cluster is in short 2 servers configured to "host" on or more package that could be seen as virtual servers if you added LUNs that are for a package, they should be included to it… Not the same as creating a new package
There are scripts to help you through, and most important there are scripts after all change to update the package both sides and TEST both sides, the very important part of an admin life with cluster is to check its integrity, if the MCSG checking script fails, you are to correct promptly before anything happens or you will be in big trouble...
 

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cmdeleteconf(1m)														  cmdeleteconf(1m)

NAME
cmdeleteconf - Delete either the cluster or the package configuration SYNOPSIS
cmdeleteconf [-f] [-v] [-c cluster_name] [[-p package_name]...] DESCRIPTION
cmdeleteconf deletes either the entire cluster configuration, including all its packages, or only the specified package configuration. If neither cluster_name nor package_name is specified, cmdeleteconf will delete the local cluster's configuration and all its packages. If the local node's cluster configuration is outdated, cmdeleteconf without any argument will only delete the local node's configuration. If only the package_name is specified, the configuration of package_name in the local cluster is deleted. If both cluster_name and pack- age_name are specified, the package must be configured in the cluster_name, and only the package package_name will be deleted. cmdelete- conf with only cluster_name specified will delete the entire cluster configuration on all the nodes in the cluster, regardless of the con- figuration version. The local cluster is the cluster that the node running the cmdeleteconf command belongs to. Only a superuser, whose effective user ID is zero (see id(1) and su(1)), can delete the configuration. To delete the cluster configuration, halt the cluster first. To delete a package configuration you must halt the package first, but you do not need to halt the cluster (it may remain up or be brought down). To delete the package VxVM-CVM-pkg (HP-UX only), you must first delete all packages with STORAGE_GROUP defined. While deleting the cluster, if any of the cluster nodes are powered down, the user can choose to continue deleting the configuration. In this case, the cluster configuration on the down node will remain in place and, therefore, be out of sync with the rest of the cluster. If the powered-down node ever comes up, the user should execute the cmdeleteconf command with no argument on that node to clean up the config- uration before doing any other Serviceguard command. Options cmdeleteconf supports the following options: -f Force the deletion of either the cluster configuration or the package configuration. -v Verbose output will be displayed. -c cluster_name Name of the cluster to delete. The cluster must be halted already, if intending to delete the cluster. -p package_name Name of an existing package to delete from the cluster. The package must be halted already. There should not be any packages in the cluster with STORAGE_GROUP defined before having a package_name of VxVM-CVM-pkg (HP-UX only). RETURN VALUE
Upon completion, cmdeleteconf returns one of the following values: 0 Successful completion. 1 Command failed. EXAMPLES
The high availability environment contains the cluster, clusterA , and a package, pkg1. To delete package pkg1 in clusterA, do the following: cmdeleteconf -f -c clusterA -p pkg1 To delete the cluster clusterA and all its packages, do the following: cmdeleteconf -f -c clusterA AUTHOR
cmdeleteconf was developed by HP. SEE ALSO
cmcheckconf(1m), cmapplyconf(1m), cmgetconf(1m), cmmakepkg(1m), cmquerycl(1m). Requires Optional Serviceguard Software cmdeleteconf(1m)
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