AsymmetricLogical Unit Access (ALUA) is a new feature on VTrak. VTrak supports ALUA on the latest Linuxdistributions:

•    RedHat LinuxRHEL 5.4

•    SuSE Linux SLES 10 SP3

•    SuSE Linux SLES 11

 

Promise provides RPM packages and multipath.conf files forALUA. Please download them here:


http://www.promise.com/support/download.aspx?m=205&region=en-US&rsn1=24

 

RedHat Linux RHEL 5.4

To support ALUA within RHEL 5.4 using the default kernel (without XEN or PAE

support):

1.    installthe new scsidhalua RPM package.

#> rpm -ivh scsidhaluaVTrak-1-1.i386(x8664).rpm

2.    Copy the Promise-supplied multipath.conf file to the /etc directory.

#> cp multipath.conf-vtrak-alua-rhel5-4 /etc/multipath.conf

 

To support ALUA within RHEL 5.4 using XEN or PAE:

1.    Rebuild the scsidhalua file with the source RPM package.

#> rpm -ivh scsidhaluaVTrak-1-1.src.rpm

#> cd /usr/src/redhat/SPEC

#> rpmbuild -ba scsidhalau.spec

2.    Copy the Promise-supplied multipath.conf file to the /etc directory.

#> cp multipath.conf-vtrak-alua-rhel5-4 /etc/multipath.conf

3.    Check your file system architecture ( x8664/i386).

#> uname -a

4.    Move therebuilt RPM package to the RPM directory.

#> cd /usr/src/redhat/RPM/i386 (x8664)

5.    Install the rebuilt RPM package.

#> rpm -ivh     scsidhaluaVTrak-1-1.i386(x8664).rpm

 

  SuSE Linux SLES 10 SP3

To support ALUA within SLES10 SP3:

1.    Do one ofthe following actions.

•          Remove the current multipath-tools package and install the new RPM

package.

 

#> rpm -ev multipath-tools-xxx

#> rpm -ivh multipath-tools-0.4.7-

34.50.10.ass.fix.i586(x8664).rpm

•          Force install the new multipath-tool RPM package.

#> rpm -ivh -force multipath-tools-0.4.7-

34.50.10.ass.fix.i586(x8664).rpm

2.    Copy the Promise-supplied multipath.conf file to the /etc directory.

#> cp multipath.conf-vtrak-alua-sles10-sp3 /etc multipath.conf

3.    Set torun at boot time.

#> chkconfig multipathd on

#> chkconfig boot.multipath on

4.    Check multipathstatus.

#> chkconfig multipathd

#> chkconfig boot.multipath

5.    Reboot the VTrak.

 

    SuSE Linux SLES 11 

To support ALUA within SLES11:

1.    Check your system architecture( x8664/i386).

#> uname -a

2.    Install the multipath-tool library RPM package.

#> rpm -ivh multipath-promise-suse11-0.4.8-

1.i586(x86_64).rpm

3.    Copy the Promise-supplied multipath.conf file to the /etc directory.

#> cp multipath.conf-vtrak-alua-sles11 /etc multipath.conf

4.    Set to run at boot time.

#> chkconfig multipathd on

5.    Check multipath status.

#> chkconfig multipathd

6.    Reboot the VTrak.