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I-6 SANnet II 200 FC, SATA, and SATA SE Array Installation, Operation, and Service Manual • March 2005

3. Initialize each partition as an LVM disk with the pvcreate command. For example,

type:

Caution – This process results in the loss of any data that resides on the partition.

I.7 Creating a Volume Group

The volume group contains the physical resources that you can use to create usable

storage resources for your applications.

1. Create a directory for the volume group and a device file for the group in that

directory:

The name of the directory is the name of the volume group. By default, HP-UX uses

names of the format vgNN, but you can choose any name that is unique within the list

of volume groups.

In the preceding example, the

mknod command has the following arguments:

■ The fully qualified path name of the new device file group

■ The letter c indicating a character device file

■ The major number 64 (used for all volume groups)

■ A minor number of the form 0xNN0000, where NN is the two-digit hexadecimal

representation of the volume group number (06 in the example)

To associate the physical volume with a volume group, use the

vgcreate command:

To verify the creation and view the volume group properties, use the

vgdisplay

command:

# pvcreate /dev/rdsk/c12t6d2

# mkdir /dev/vgmynewvg

# mknod /dev/vgmynewvg/group c 64 0x060000

# vgcreate /dev/vgmynewvg /dev/dsk/c12t6d2

# vgdisplay vg02

--- Volumegroups -

VG Name /dev/vg02

1 2 ... 195 196 197 198 199 200 201 202 203 204 205 ... 209 210

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Dot Hill Systems SANnet II 200 Manual de servicio Pagina 200