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Chapter 3 Setting Up MPxIO

3.1 Solaris 10 OS

3.1.4

Editing the "/kernel/drv/scsi_vhci.conf" Settings

Edit the "/kernel/drv/scsi_vhci.conf" file to enable the auto-failback function.

Check that an "auto-failback="enable";" line exists, enabling the auto-failback function.

Otherwise, add this line or change its value to "enable".

# Use is subject to license terms.

#pragma ident

name="scsi_vhci" class="root";

# Load balancing global configuration: setting load-balance="none" will cause

# all I/O to a given device (which supports multipath I/O) to occur via one

# path.

# to be used in turn.

load-balance="round-robin";

# Automatic failback configuration

# possible values are auto-failback="enable" or auto-failback="disable"

auto-failback="enable";

# For enabling MPxIO support for 3rd party symmetric device need an

# entry similar to following in this file. Just replace the "SUN

# part with the Vendor ID/Product ID for the device, exactly as reported by

# Inquiry cmd.

# device-type-scsi-options-list =

# "SUN

# symmetric-option = 0x1000000;

3.1.5

Reconfigure and reboot the server to effect the new settings.

The ETERNUS Disk storage system can be reconfigured by creating the "/reconfigure" file and

rebooting the server.

# touch /reconfigure

# /usr/sbin/shutdown -y -g0 -i6

P3AM-2722-04ENZ0

ETERNUS Disk storage systems Server Connection Guide for Oracle Solaris

"@(#)scsi_vhci.conf

Setting load-balance="round-robin" will cause each path to the device

Check that auto-failback is enabled.

SENA", "symmetric-option";

1.9

04/08/26 SMI"

SENA"