Ensure that the OPS database is not active on either node.
From node 2, use the vgchange
command to deactivate the volume group:
# vgchange -a n /dev/vg_ops |
From node 2, use the vgexport
command to export the volume group:
# vgexport -m /tmp/vg_ops.map.old /dev/vg_ops |
This dissociates the volume group from node 2.
From node 1, use the vgchange
command to deactivate the volume group:
# vgchange -a n /dev/vg_ops |
Use the vgchange
command to mark the volume group as unshareable:
# vgchange -S n -c n /dev/vg_ops |
Prior to making configuration changes, activate
the volume group in normal (non-shared) mode:
# vgchange -a y /dev/vg_ops |
Use normal LVM commands to make the needed changes.
Be sure to set the raw logical volume device file's owner to oracle
and group to dba, with a mode of 660.
Next, still from node 1, deactivate the volume group:
# vgchange -a n /dev/vg_ops |
Use the vgexport
command with the options shown in the example to create a new map
file:
# vgexport -p -m /tmp/vg_ops.map /dev/vg_ops |
Make a copy of /etc/lvmpvg in /tmp/lvmpvg, then copy the file
to /tmp/lvmpvg on node 2. Copy the file /tmp/vg_ops.map to node
2.
Use the following command to make the volume group
shareable by the entire cluster again:
# vgchange -S y -c y /dev/vg_ops |
On node 2, issue the following command:
Create a control file named group
in the directory /dev/vg_ops, as in the following:
# mknod /dev/vg_ops/group c 64 0xhh0000 |
The major number is always 64, and the hexadecimal minor number
has the form
where hh must be unique to the
volume group you are creating. Use the next hexadecimal number that
is available on your system, after the volume groups that are already
configured.
Use the vgimport
command, specifying the map file you copied from the configuration
node. In the following example, the vgimport
command is issued on the second node for the same volume group that
was modified on the first node:
# vgimport -v -m /tmp/vg_ops.map /dev/vg_ops /dev/dsk/c0t2d0 \
/dev/dsk/c1t2d0 |
Activate the volume group in shared mode by issuing
the following command on both nodes:
# vgchange -a s -p /dev/vg_ops |
Skip this step if you use the OPS runhalt script to activate
and deactivate the shared volume group as a part of OPS startup
and shutdown.
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