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[Cluster-devel] cluster/doc usage.txt



CVSROOT:	/cvs/cluster
Module name:	cluster
Changes by:	teigland sourceware org	2006-10-05 14:20:29

Modified files:
	doc            : usage.txt 

Log message:
	updates

Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/doc/usage.txt.diff?cvsroot=cluster&r1=1.33&r2=1.34

--- cluster/doc/usage.txt	2006/08/11 15:18:06	1.33
+++ cluster/doc/usage.txt	2006/10/05 14:20:29	1.34
@@ -4,48 +4,42 @@
 http://sources.redhat.com/cluster/
 
 
-Get source
-----------
+Install
+-------
 
-Get a kernel that has GFS2 and DLM.
-  git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6.git
-
-Get the 'cluster' cvs tree, instructions at:
-  http://sources.redhat.com/cluster/
-
-Optionally, get the LVM2 cvs from
-  cvs -d :pserver:cvs sources redhat com:/cvs/lvm2
-
-Build and install
------------------
-
-Compile kernel with GFS2, DLM, configfs, IPV6 and SCTP.
-
-Build and install the latest openais development from
+Install a Linux kernel with GFS2, DLM, configfs, IPV6 and SCTP,
+  2.6.19-rc1 or later
+ 
+Install openais
+  get the latest "whitetank" (stable) release from
   http://developer.osdl.org/dev/openais/
-or install subversion and type:
+  or
   svn checkout http://svn.osdl.org/openais
-Then:
-  cd /path/to/openais/branches/whitetank
+  cd openais/branches/whitetank
   make; make install DESTDIR=/
 
-Build and install the latest libvolume_id from the udev tarball
+Install libvolume_id
+  from udev-094 or later, e.g.
   http://www.us.kernel.org/pub/linux/utils/kernel/hotplug/udev-094.tar.bz2
   make EXTRAS="extras/volume_id" install
 
-Build and install from the cluster CVS tree:
-
-        cd cluster
-        ./configure --kernel_src=/path/to/kernel
-		make ; make install
-		depmod -a  
-(New kernel module dependencies aren't automatically generated)
-
-To build LVM2 & clvm:
-
-	 cd LVM2
-	 ./configure --with-clvmd=cman --with-cluster=shared
-	 make; make install
+Install the cluster CVS tree from source:
+  cvs -d :pserver:cvs sources redhat com:/cvs/cluster login cvs
+  cvs -d :pserver:cvs sources redhat com:/cvs/cluster checkout cluster
+  the password is "cvs"
+  cd cluster
+  ./configure --kernel_src=/path/to/kernel
+  make install
+  (this builds and installs some optional things like gfs(1) also)
+
+Install LVM2/CLVM (optional)
+  cvs -d :pserver:cvs sources redhat com:/cvs/lvm2 login cvs
+  cvs -d :pserver:cvs sources redhat com:/cvs/lvm2 checkout LVM2
+  cvs -d :pserver:cvs sources redhat com:/cvs/lvm2
+  the password is "cvs"
+  cd LVM2
+  ./configure --with-clvmd=cman --with-cluster=shared
+  make; make install
 
 
 Load kernel modules
@@ -55,7 +49,7 @@
 modprobe lock_dlm
 modprobe lock_nolock
 modprobe dlm
-modprobe gfs
+
 
 Configuration
 -------------
@@ -73,12 +67,13 @@
   If you already have a cluster.conf file with no nodeids in it, then you can
   use the 'ccs_tool addnodeids' command to add them.
 
+
 Example cluster.conf
 --------------------
 
 This is a basic cluster.conf file that uses manual fencing.  The node
 names should resolve to the address on the network interface you want to
-use for cman/dlm communication.
+use for openais/cman/dlm communication.
 
 <?xml version="1.0"?>
 <cluster name="alpha" config_version="1">
@@ -120,7 +115,7 @@
 -----------------
 
 Run these commands on each cluster node:
-debug/verbose options in [] can be useful at this stage :)
+debug/verbose options are in []
 
 > mount -t configfs none /sys/kernel/config
 > ccsd -X
@@ -130,12 +125,10 @@
 > fence_tool join
 > dlm_controld [-D]
 > gfs_controld [-D]
+> clvmd (optional)
 > mkfs -t gfs2 -p lock_dlm -t <clustername>:<fsname> -j <#journals> <blockdev>
 > mount -t gfs2 [-v] <blockdev> <mountpoint>
 
-> group_tool ls
-        Shows registered groups, similar to what cman_tool services did.
-
 Notes:
 - <clustername> in mkfs should match the one in cluster.conf.
 - <fsname> in mkfs is any name you pick, each fs must have a different name.
@@ -144,6 +137,12 @@
 - To avoid unnecessary fencing when starting the cluster, it's best for
   all nodes to join the cluster (complete cman_tool join) before any
   of them do fence_tool join.
+- The cman_tool "status" and "nodes" options show the status and members
+  of the cluster.
+- The group_tool command shows all local groups which includes the
+  fencing group, dlm lockspaces and gfs mounts.
+- The "cman" init script can be used for starting everything up through
+  gfs_controld in the list above.
 
 
 Shutdown procedure
@@ -151,13 +150,13 @@
 
 Run these commands on each cluster node:
 
-> umount -t gfs2 [-v] <mountpoint>
+> umount [-v] <mountpoint>
 > fence_tool leave
 > cman_tool leave
 
 Notes:
-- You need util-linux 2.13-pre6 version of umount(8), older versions do not
-  call the umount.gfs2 helper.
+- You need the util-linux 2.13-pre6 version of umount(8) or later,
+  older versions do not call the umount.gfs2 helper.
 
 
 Converting from GFS1 to GFS2
@@ -167,18 +166,16 @@
 this procedure:
 
 1. Back up your entire filesystem first.
-
    e.g. cp /dev/your_vg/lvol0 /your_gfs_backup
 
-2. Run gfs_fsck to ensure filesystem integrity.
-
+2. Run fsck to ensure filesystem integrity.
    e.g. gfs2_fsck /dev/your_vg/lvol0
 
 3. Make sure the filesystem is not mounted from any node.
-
    e.g. for i in `grep "<clusternode name" /etc/cluster/cluster.conf | cut -d '"' -f2` ; do ssh $i "mount | grep gfs" ; done
 
 4. Make sure you have the latest software versions.
-5. Run gfs2_convert <blockdev> from one of the nodes.
 
+5. Run gfs2_convert <blockdev> from one of the nodes.
    e.g. gfs2_convert /dev/your_vg/lvol0
+


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