Cluster Server Installation Guide for Solaris x64 5.0 - Storage ...

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162 Adding and removing cluster nodesRemoving a node from a cluster# hagrp -modify grp3 SystemList -delete C# hagrp -modify grp4 SystemList -delete C7 For service groups that run only on the leaving node, delete the resourcesfrom the group before deleting the group.# hagrp -resources grp4processx_grp4processy_grp4# hares -delete processx_grp4# hares -delete processy_grp48 Delete the service group configured to run on the leaving node.# hagrp -delete grp49 Check the status.# hastatus -summary-- SYSTEM STATE-- System State FrozenA A RUNNING 0A B RUNNING 0A C EXITED 0-- GROUP STATE-- Group System Probed AutoDisabled StateB grp1 A Y N ONLINEB grp1 B Y N OFFLINEB grp2 A Y N ONLINEB grp3 B Y N ONLINE10 Delete the node from the cluster.# hasys -delete C11 Save the configuration, making it read only.# haconf -dump -makeroModifying configuration files on each remaining nodePerform the following tasks on each of the remaining nodes of the cluster.To modify the configuration files on a remaining node1 If necessary, modify the /etc/gabtab file.No change is required to this file if the /sbin/gabconfig command has onlythe argument -c, although Symantec recommends using the -nN option,where N is the number of cluster systems.If the command has the form /sbin/gabconfig -c -nN, where N is thenumber of cluster systems, then make sure that N is not greater than theactual number of nodes in the cluster, or GAB does not automatically seed.
Adding and removing cluster nodesRemoving a node from a cluster163Note: Symantec does not recommend the use of the -c -x option for /sbin/gabconfig. The Gigabit Ethernet controller does not support the use of-c -x.2 Modify /etc/llthosts file on each remaining nodes to remove the entry of theleaving node.For example, change:to:0 A1 B2 C0 A1 BUnloading LLT and GAB and removing VCS on the leaving nodePerform the tasks on the node leaving the cluster.To unconfigure and unload LLT and GAB and remove VCS1 Unconfigure GAB and LLT:# /sbin/gabconfig -U# /sbin/lltconfig -U2 Unload the GAB and LLT modules from the kernel.■■Determine the kernel module IDs:# modinfo | grep gab# modinfo | grep lltThe module IDs are in the left-hand column of the output.Unload the module from the kernel:# modunload -i gab_id# modunload -i llt_id3 Rename the startup files to prevent LLT, GAB, or VCS from starting up in thefuture:# mv /etc/rc2.d/S70llt /etc/rc2.d/s70llt# mv /etc/rc2.d/S92gab /etc/rc2.d/s92gab# mv /etc/rc3.d/S99vcs /etc/rc3.d/s99vcs4 To determine the packages to remove, enter:# pkginfo | grep VRTS5 To permanently remove the VCS packages from the system, use the pkgrmcommand. Start by removing the following packages, which may have beenoptionally installed, in the order shown:# pkgrm VRTScscm# pkgrm VRTSvcsw
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98 Setting up I/O fencingAbout I/O
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