Product manual

Task 5: Setting-up ALUA
399
SuSE Linux SLES 11 SP1
Not updated with Novell SP1 patches
If you did NOT update with Novell SLES 11 SP1 patches:
1. Determine your system architecture, i586 or x86_64.
#> uname -a
2. Install the appropriate patched scsi_dh_alua.ko device handler.
•i586
#> rpm -ivh --force scsi_dh_alua_sles11sp1-2-1.i586.rpm
• x86_64
#> rpm -ivh --force scsi_dh_alua_sles11sp1-2-1.x86_64.rpm
3. Copy the PROMISE-supplied multipath.conf file to the /etc directory.
#> cp multipath.conf.alua-sles11sp1 /etc multipath.conf
4. Check the multipath configuration.
chkconfig multipathd on
chkconfig multipathd (shows the status of multipathd)
5. Reboot the VTrak.
6. Check the multipath configuration.
Multipath -ll (multipath -v4)
Updated with Novell SP1 patches
If you updated with Novell SLES 11 SP1 patches:
1. Copy the PROMISE-supplied multipath.conf file to the /etc directory.
#> cp multipath.conf.alua-sles11sp1 /etc multipath.conf
2. Check the multipath configuration.
chkconfig multipathd on
chkconfig multipathd (shows the status of multipathd)
3. Reboot the VTrak.
4. Check the multipath configuration.
Multipath -ll (multipath -v4)
Fibre Channel HBA to VTrak
If you plan to use connect a Fibre Channel HBA card to VTrak RAID subsystem,
you must change the remote port (rport) configuration.
1. Change the dev_loss_tmo value as large as possible.
Example: 0x7fffffff.
2. Change the fast_io_fail_tmo value as 30.