Emerson ATCA-S201 Manuel D’Utilisation

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RTM-ATCA-SXXX Overview 
6806800H62B 
ATCA‐S201 Installation and Use Guide 
 
73 
6.4  Creating 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 
Group
State
Capacity
File
Type
Vendor
Model
Rev
Select
/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
Submit
vga
ˇ
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
GBytes
68
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: 
atca_blade set_lvm2 index <diskmask> Y <size> Y + 
<diskmask>  Ndisk … [Ndisk] 
variable length mask. Must specify one entry for each available system disk. 
<size>  Size of new logical volume. 
atca_blade set_lvm2 Y Ndisk Ndisk Y 100 Y + 
Syntax examples 
Create a logical disk of size 100GB. 
6.4.1  Extend/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.