Red Hat DEVICE-MAPPER MULTIPATH 5.2 Uživatelský manuál stáhnout pdf (Strana 14)

3 Add the following lines at the end of the file.

• For ETERNUS DX storage systems

(This example is for the ETERNUS DX80)

devices {

device {

vendor "FUJITSU"

product "ETERNUS_DXL"

prio_callout "/sbin/mpath_prio_alua %d"

path_grouping_policy group_by_prio

path_selector "round-robin 0"

failback immediate

no_path_retry 10

path_checker tur

}

- Enter a space between "devices" and "{".

- Enter a space between "device" and "{".

The "product" value varies depending on the ETERNUS DX that is to be connected.

Refer to the following table for the appropriate value.

ETERNUS DX to be used "product" value

DX60 S3/DX100 S3/DX200 S3,

DX200F,

DX60/DX60 S2, DX80/DX80 S2, DX90/DX90 S2

ETERNUS_DXL

DX500 S3/DX600 S3 ETERNUS_DXM

DX400/DX400 S2 series ETERNUS_DX400

DX8000/DX8000 S2 series ETERNUS_DX8000

3.1.3 Enabling the device-mapper multipath

Enable the device-mapper multipath, using the following commands.

# multipath -v 1

# chkconfig --add multipathd

# chkconfig multipathd on

# multipath

# /etc/init.d/multipathd start

Chapter 3 For Red Hat Enterprise Linux 5

3.1 Setting Up the device-mapper multipath

FUJITSU Storage ETERNUS DX Configuration Guide -Server Connection-

(Fibre Channel/FCoE/iSCSI/SAS) for Linux

P3AM-3912-21ENZ0

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Red Hat DEVICE-MAPPER MULTIPATH 5.2 Uživatelský manuál Strana 14