RTM-ATCA-SXXX Overview

Table 21 HTML tool, Emerson ATCA-S201 Physical Disk (configuration screen)

 

 

Parameter

Description

 

 

Device Name

Linux SCSI device name, from ATCA-S201 management perspective

 

 

State

Online: indicates the device is active and ready for I/O

 

 

 

Offline:

 

 

Type

Raw: indicates the device was not formatted by the ATCA-S201

 

 

 

file: indicates the device was formatted by the ATCA-S201

 

 

Parent

Identifies the volume that claims ownership to a disk. ‘Unknown’

 

indicates disk has no known volume ownership.

 

 

Host/Bus/Target/LUN

Identifies the SCSI parameters used to address the physical device

 

 

Vendor/model/Rev

Identifies the vendor and revision of the disk device. If vendor =

 

LSILogic, this physical device is a RAID volume managed by the ATCA-

 

S201 resources.

 

 

6.3Create a logical Volume Group (/dev/vga)

A volume group must contain at least one physical disk member. The figure below outlines the steps that will be taken to create volume groups and logical device/disk volumes.

 

 

 

 

55% spare

15% nfs

40% iSCSI

20% nfs

 

 

 

 

20% cifs

 

 

 

 

 

 

 

 

Emerson ATCA-S201

 

 

 

 

Logical disk

 

 

 

+

 

 

 

 

 

 

 

iSCSI

 

 

 

 

+

 

nfs

(example: /dev/vga/lva0)

30% iSCSI

20% iSCSI

 

 

 

 

 

 

 

 

 

 

+

 

smb

 

 

 

 

 

 

 

 

 

 

+

 

Shares

 

 

 

 

 

 

LVM2

Volume group

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LVM2 Configuration

(example: /dev/vga)

 

 

 

 

 

MD RAID

 

 

 

 

 

 

Configuration

 

 

 

 

 

 

 

 

 

 

 

 

 

Hardware RAID

 

 

 

 

 

 

 

Configuration

RAID

 

 

 

 

 

Physical Disks

 

 

 

/dev/sda

/dev/sdb

 

/dev/sdc

Physical disks

/dev/sde

/dev/sdd

 

/dev/sdf

(example: /dev/sda)

/dev/sdg

+ Maintenance

Figure 22 HTML tool, Main navigation side-bar, LVM2->Configuration

Logical volumes are comprised of one or more physical disk members. Using the HTML configuration tool, the user may view the available set of physical disks and assign them to volume groups.

Emerson ATCA-S201 LVM2 LVM2 Configuration

The screen shows physical disks which are available for a new volume group definition.

6806800H62B ATCA‐S201 Installation and Use Guide

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Emerson manual Create a logical Volume Group /dev/vga, Emerson ATCA-S201  LVM2  LVM2 Configuration