Emerson ATCA-S201 manual Parameter Description, RAID1/E, RAID0

RTM-ATCA-SXXX Overview

‐ Hardware RAID

Configuration



StorBlade99 ATCA-S201 Create Hardware RAID Volume

Disk

Name

Parent

Host

Bus

Target

Lun

Vendor

Product

Rev

Size

Select

1

/dev/sda

md0

0

0

0

0

HITACHI

HUC101414CSS300

A410

140205MB

2

/dev/sdb

md0

0

0

1

0

HITACHI

HUC101414CSS300

A410

140205MB

3

/dev/sdc

unknown

0

0

2

0

HITACHI

HUC101414CSS300

A410

140205MB



4

/dev/sdd

unknown

0

0

3

0

FUJITSU

MAY2073RC

0103

70136MB



Select 2 or more disks for Volume

Create Volume

Raid 1/E

Raid 0

Figure 16 Emerson ATCA-S201 Hardware RAID (new installation screen-shot)

Parameter		Description
Disk		An enumeration of disks that may be used in new RAID LUN definition.
Parent		Identifies the volume that claims ownership to a disk. ‘Unknown’ indicates no volume
		ownership.
Host/Bus/Target/Lun		Identifies the SCSI parameters used to address the virtual RAID device
Vendor/Product/Rev		Use these items to identify the physical disk resource.
Size		Capacity of the disk
Select		“Radio button” used to select which disks will participate in the new RAID LUN definition
RAID1/E		Click to create a new RAID1 LUN (mirroring)
RAID0		Click to create a new RAID0 LUN (stripping)
		Click to commit the selections and create the new RAID device.
	Create Volume

CLI command syntax

Table 26 CLI command syntax, set_raid: Add RAID configuration

	atca_blade set_raid Y <diskmask> <RAID_level> Y +
Convention:
<diskmask>	YdiskNdisk … [YdiskNdisk]
	variable length mask. Must specify one entry for each system disk.
	Ydisk includes disk in RAID volume, Ndisk exclude disk from RAID volume.
	01
<RAID_level>
	Use value 0 to apply RAID0, and value 1 to apply RAID1
	atca_blade set_raid Y Ydisk Ydisk Ydisk Ndisk 1 Y +
Syntax examples
	System has four disks. Assign the first three disks to new RAID1 volume.

6806800H62B ATCA‐S201 Installation and Use Guide 59