Emerson ATCA-S201 manual Creating a Logical Device /dev/vga/lva0

RTM-ATCA-SXXX Overview

6.4Creating a Logical Device (/dev/vga/lva0)

After successfully creating a volume group, the user must next create a logical device which can be assigned to iSCSI or NAS services. The LMV2 configuration menu will update to show the new volume group as shown below.

StorBlade99 ATCA-S201 Available Physical Disks

Disk Name

Volume

State

Capacity

File

Type

Vendor

Model

Rev

Select

Group

/dev/sda

‐none‐

Offline

140205(MBytes)

Raw

Unknown

HITACHI

HUC101414CSS300

A410

/dev/sdb

‐none‐

Offline

70136(MBytes)

Raw

Unknown

FUJITSU

MAY2073RC

0103

Select 1 or more disks for Volume Group

vga

ˇ Submit

Volume Group vga Status

Volume

Access

Total Size

PE Size

Total PEs

Allocated Space

Free Space

Resizable

vga

read/write

68(GBytes)

4(MBytes)

17501

0(GBytes)

68(GBytes)

resizable

Member

PV Name

Capacity

PE Size

Total PE

Allocated PE

Free PE

Status

1

/dev/sdc

68(GBytes)

4(MBytes)

17501

0

17501

Logical Devices

Volume

LV Name

Access

Status

Open

Size

Select

Enter size to create or extend

68

GBytes

New Volume

Extend Volume

Delete Volume

Follow these instructions to create a new logical device

Step 1. Enter the size of the new device in the field labeled Enter size to create or extend [ ].

(It can exceed the seed value displayed in the box). Step 2. Click the ‘New Volume’ button

CLI command syntax

Table 29 CLI command syntax, create new logical device

Convention:

<diskmask>

<size> Syntax examples

atca_blade set_lvm2 index <diskmask> Y <size> Y +

Ndisk … [Ndisk]

variable length mask. Must specify one entry for each available system disk. Size of new logical volume.

atca_blade set_lvm2 Y Ndisk Ndisk Y 100 Y +

Create a logical disk of size 100GB.

6.4.1Extend/Expand a Logical Device (/dev/vga/lva0)

The user may dynamically expand the space allocated to a logical device.

Follow these instructions to extend an existing volume group

Step 1. Click the ‘Select’ box to choose which device that will get additional capacity.

6806800H62B ATCA‐S201 Installation and Use Guide 73