HP Booting Linux X86 And X86 64 Systems Manual

 
Figure 32 
 
5.  Ensure that iscsi-initiator-utils and device -mapper-multipath packages are selected in the 
package list. 
 
Figure 33 
  

 
Figure 34 
 
6.  Complete the installation and reboot the server. 
 
Note:  
•   If the installation partitions are on a XP a rray, comment the following line in defaults 
section in the /etc/multipath.conf file: 
  prio_callout            /bin/true 
•   If the installation partitions are on a MSA2 xxxsa array, comment the following line in 
device section of the MSA2xxxsa arra y in the /etc/multipath.conf file: 
  getuid_callout          /sbin/hp_scsi_id -g -u -n -s /block/%n 
 
Recommended...

 
Figure 35 
 
b.   Provide the parameters “withiscsi=1” to  the kernel boot line for SLES11. 
 
 
Figure 36 
 
 
2.  To add the iSCSI devices for installation, co mplete the following step, else go to Step 3
: 
  a.  Select the currently used network device (NIC)  

 
Figure 37 
 
b.  Configure the IP information. 
 
Figure 38 
 
c.   Ensure that the “Initiat or Name” is correct. 
 
Figure 39 
 
d.   Setting up the target IP: 
 
•  For SLES10 operating systems ensure that only one target IP is connected and the 
Start-Up is set to automatic.  

 
Figure 40 
 
•  For SLES11 operating systems ensure that more than one target IP set. By default only 
one target IP is connected. Add new ta rget IPs using the “Add” button under the 
Connected Targets tab.  
 
Figure 41 
 
•  Enter the Target IP address and click Next.  

 
Figure 42 
 
•  Click Connect  to connect to the target IP. 
 
Figure 43 
 
•  Change the Start-Up to automatic  by using the toggle set-up button. 
 
3.  Select the device for installing the operating system: 
•  For SLES11 operating systems, complete the following steps: 
a.   Select the DM devices to crea te installation partitions. 
b.   By default, DM devices are not listed. To list the DM devices select Hard Disks.  

c.  Click  Configure > Configure Multipath > Yes > Yes. 
d.   Select the DM devices to crea te installation partitions. 
 
Figure 44 
 
•  For SLES10 operating systems, select SAN devices for installation partitions. 
4.  While creating the installation partitions, select either of the following options: 
•  If you intend to use the “user_friendly_names” with device mapper multipath devices 
select “by-label” fstab option. 
•   If you do not intend to use the “user_fr iendly_names” with device mapper...

28 
•  Modify root=/dev/disk/by-id/cciss-3xxxxxxxxxxxxxxxxxxxxxx to root=/dev/disk/by-
id/scsi-3xxxxxxxxxxxxxxxxxxxxxx in  /boot/grub/menu.lst. 
•   Modify /dev/disk/by-id/cciss-3 xxxxxxxxxxxxxxxxxxxxxx to /dev/disk/by-id/scsi-
3xxxxxxxxxxxxxxxxxxxxxx in /etc/fstab. 
9.  Enable multipath services to start at boot time by running the following commands: 
~foo# chkconfig boot.multipath on 
~foo# chkconfig multipathd on  
10.  Add device mapper multipath kernel module to  initrd image by completing the...

Additional Information 
For detailed information about HBAs, switches, storage arrays, and storage software, go to the 
following websites: 
 
Table 1 
Topic HP  website 
HBAs and switches http://h18006.www1.hp.com/storage/saninfrastructure.html
Storage array 
systems  http://h18006.www1.hp.com/storage/arraysystems.html  
Device Mapper 
Multipath software http://www.hp.com/go/devicemapper
Integrity servers 
http://www.hp.com/products1/servers/integrity/  
 
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