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If the shared disk that you plan to use with your cluster is configured with segment managers other
than the Cluster Segment Manager, you must also delete the other segment managers so that the
CSM is the first one on the partition.
1 At a Linux terminal console, log in as the
evmsgui
2 Locate and delete any compatibility volumes on the area you want to use for the shared
volume:
2a Click the Volumes tab, then locate any compatibility volumes that are on the space you
want to use.
2b Right-click the volume of interest, select Display details, click the Page 2 tab, verify from
the Status field that the volume is a compatibility volume, then click OK to dismiss the
dialog box.
2c If the volume is a compatibility volume, continue with
2d Click the Volumes tab, right-click the volume, then select Delete.
WARNING: All data on the selected volume is destroyed.
2e Select the volume, then click Recursive Delete.
2f If a Response Required pop-up appears, click the Write zeros button.
2g If another pop-up appears, click Continue to write 1024 bytes to the end of the volume.
2h Click Save, then click Save again to save your changes.
3 Locate and delete any existing non-CSM segment managers on the area you want to use for the
shared volume, such as NetWare Segment Manager or DOS Segment Manager:
3a Click the Disks tab, then locate and select the device that you want to use for the shared
volume, such as device
3b Right-click, then select Remove segment manager from Object.
This option appears only if there is an existing segment manager for the selected disk.
3c Select the listed non-CSM segment manager, click Remove, then click OK.
WARNING: All data on the selected disk space is destroyed.
3d Click Save, then click Save again to save your changes.
3e Repeat
Step 3a
longer available when you right-click the device.
4 Continue with
Section 11.2.2, "Creating a Cluster Segment Manager Container," on page
11.2.2 Creating a Cluster Segment Manager Container
A Cluster Segment Manager container can provide exclusive access to shared storage. In order to
use a Linux POSIX volume as a cluster resource, you must assign an EVMS CSM to the shared
device where you want to create the shared volume. The EVMS Cluster Segment Manager must be
the first segment manager laid down on the space you want to use for the shared Linux volume. You
use the Cluster Segment Manager plug-in for EVMS to create a CSM container.
root
.
sdb
to
Step 3d
until the Remove segment manager from Object option is no
Configuring Cluster Resources for Shared Linux POSIX Volumes 159
user, then enter
Step
2d. Otherwise, go to
Step
3.
159.
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Troubleshooting
