HP XP20000/XP24000 HP StorageWorks XP Disk Array Configuration Guide (T5278-96 - Page 175

Setting the maximum number of volume groups using SAM, Create New Logical Volumes

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To configure the newly-installed disk array devices: 1. Select Disks and File Systems, then select Disk Devices. 2. Verify that the new disk array devices are displayed in the Disk Devices window. 3. Select the device to configure, select the Actions menu, select Add, and then select Using the Logical Volume Manager. 4. In the Add a Disk Using LVM window, select Create... or Extend a Volume Group. 5. In the Create a Volume Group window, enter the name of the new or existing volume group to assign the new device to, and then click OK twice. The Add a Disk Using LVM window now displays the volume group name. 6. Select Add New Logical Volume to open the Create New Logical Volumes window. 7. In the Create New Logical Volumes window, enter the name, size in megabytes, and mount directory for the new logical volume. Select Add, and then click OK twice. 8. Repeat steps 3-7 for each new disk device on the disk array. Setting the maximum number of volume groups using SAM The HP-UX kernel specifies the maximum number of volume groups that can be created. The default is 10. You may need to change this number to accommodate new devices on the disk array. To change this number, use the Kernel Configuration function. To change the maximum number of volume groups: 1. Select the Kernel Configuration function, then select Configurable Parameters. 2. In the Configurable Parameters window, select the maxvgs parameter, select the Actions menu, and then select Modify Configurable Parameter. 3. In the Modify Configurable Parameter window, enter the desired maximum number of volume groups in the Formula/Value field, and then click OK. 4. In the Configurable Parameters window, make sure that none of the parameters are selected. Then select the Actions menu, and select Create New Kernel. 5. When the configuration window opens, click Yes to create the new kernel (or click No to return to the Configurable Parameters window.) 6. When the Reboot the System window opens, click OK to move the new kernel into place and reboot the system. Setting the maximum number of volume groups using SAM 175

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To configure the newly-installed disk array devices:
1.
Select
Disks and File Systems
, then select
Disk Devices
.
2.
Verify that the new disk array devices are displayed in the
Disk Devices
window.
3.
Select the device to configure, select the
Actions
menu, select
Add
, and then select
Using the
Logical Volume Manager
.
4.
In the
Add a Disk Using LVM
window, select
Create...
or
Extend a Volume Group
.
5.
In the
Create a Volume Group
window, enter the name of the new or existing volume group
to assign the new device to, and then click
OK
twice. The
Add a Disk Using LVM
window now
displays the volume group name.
6.
Select
Add New Logical Volume
to open the
Create New Logical Volumes
window.
7.
In the
Create New Logical Volumes
window, enter the name, size in megabytes, and mount
directory for the new logical volume. Select
Add
, and then click
OK
twice.
8.
Repeat steps 3–7 for each new disk device on the disk array.
Setting the maximum number of volume groups using SAM
The HP-UX kernel specifies the maximum number of volume groups that can be created. The default
is 10. You may need to change this number to accommodate new devices on the disk array. To
change this number, use the Kernel Configuration function.
To change the maximum number of volume groups:
1.
Select the
Kernel Configuration
function, then select
Configurable Parameters
.
2.
In the
Configurable Parameters
window, select the
maxvgs
parameter, select the
Actions
menu,
and then select
Modify Configurable Parameter
.
3.
In the
Modify Configurable Parameter
window, enter the desired maximum number of volume
groups in the
Formula/Value
field, and then click
OK
.
4.
In the
Configurable Parameters
window, make sure that none of the parameters are selected.
Then select the
Actions
menu, and select
Create New Kernel
.
5.
When the configuration window opens, click
Yes
to create the new kernel (or click
No
to
return to the
Configurable Parameters
window.)
6.
When the
Reboot the System
window opens, click
OK
to move the new kernel into place and
reboot the system.
Setting the maximum number of volume groups using SAM
175