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6806800H62B ATCA‐S201InstallationandUseGuide73
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
DiskName
Volume
Group
State Capacity File T ype 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
Select1ormoredisksforVolumeGroup
Submit
vga
ˇ
Volume Group vga Status
Volume Access TotalSize PESize TotalPEs AllocatedSpace F reeSpace Resizable
vga read/write 68(GBytes) 4(MBytes) 17501 0(GBytes) 68(GBytes) resizable
Member PVName Capacity PESize TotalPE AllocatedPE FreePE Status
1 /dev/sdc 68(GBytes) 4(MBytes) 17501 0 17501
Logical Devices
Volu me LVName Access Status Open Size Select
Entersizetocreateorexten d GBytes
68
NewVolume
ExtendVolume
DeleteVolume
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.