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RTM-ATCA-SXXX Overview
6806800H62B ATCA‐S201InstallationandUseGuide72
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 + 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.
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.
Free Space/PE The number of physical extents not yet committed (available) to new
or existing logical devices.