Emerson ATCA-S201 Manuel D’Utilisation
RTM-ATCA-SXXX Overview
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ATCA‐S201 Installation and Use Guide
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CLI command syntax
Table 28 CLI command syntax, create new volume groups
Convention:
atca_blade set_lvm2 Y <diskmask> Y Y +
<diskmask> Ydisk |Ndisk … [Ydisk|Ndisk]
variable length mask. Must specify one entry for each available system disk.
Ydisk includes disk in new volume group, Ndisk exclude disk from new volume
group.
atca_blade set_lvm2 Y Ydisk Ndisk Y Y +
Ydisk includes disk in new volume group, Ndisk exclude disk from new volume
group.
atca_blade set_lvm2 Y Ydisk Ndisk Y Y +
Syntax examples
System has two disks. Assign the first disk to a new volume group.
Table 24 HTML tool, Emerson ATCA-S201 LVM2 logical group (status screen)
Parameter
Description
Volume/member
Linux SCSI device name, from ATCA-S201 management perspective
Access
Displays the volumes access privilege settings; default is read/write
Total Size
The calculated capacity (GB) is the product of ‘Total PE’ x ‘PE Size’.
PE Size
The physical extent (PE) in LVM is the block-size that physical volumes
are using. The default physical extent is 4MB.
are using. The default physical extent is 4MB.
Total PE
This is the summation of physical extents contributed by its members.
Allocated Space/PE
The number of physical extents committed to logical device
definitions.
definitions.
Free Space/PE
The number of physical extents not yet committed (available) to new
or existing logical devices.
or existing logical devices.