Red Hat DEVICE-MAPPER MULTIPATH 4.6 Manual de usuario descargar pdf (Pagina 21)

ETERNUS Disk storage systems Server Connection Guide (iSCSI) for Linux

(Red Hat Enterprise Linux)

P3AM-4142-02ENZ0

Chapter 8 Setting Up Device-Mapper Multipathing

Set up the multipath environment.

8.1 Editing "/etc/multipath.conf"

Edit the device-mapper multipath configuration file as follows.

• "/etc/multipath.conf"

Comment out the following three lines in "/etc/multipath.conf".

The blacklist section is used to specify any internal disks or other devices that are to be

excluded from the multipath configuration. If required, refer to the Red Hat web-site for

details.

Confirm that the following description is present.

Add the following lines at the end of the file.

(This example is for the ETERNUS2000)

For the ETERNUS2000, specify "E2000" as the "product" option.

For the ETERNUS4000, specify "E4000" as the "product" option.

For the ETERNUS8000, specify "E8000" as the "product" option.

# blacklist {

# devnode "*"

# }

## Use user friendly names, instead of using WWIDs as names.

defaults{

user_friendly_names yes

}

devices {

device {

vendor "FUJITSU"

product "E2000"

prio_callout "/sbin/mpath_prio_alua %d"

path_grouping_policy group_by_prio

path_selector "round-robin 0"

failback immediate

no_path_retry 10

}

1 2 ... 16 17 18 19 20 21 22 23 24 25

Sin comentarios

Red Hat DEVICE-MAPPER MULTIPATH 4.6 Manual de usuario Pagina 21