
IfLUNsecurityisenabled,hostgroupsaffectwhichhostcanaccesswhichLUs.HostscanonlyaccessLUs
associated with the host group the hosts belong to. Hosts cannot access LUs associated with other host
groups. For example, hosts in the hp-ux host group cannot access LUs associated with the Windows host
group. Also, hosts in the Windows host group cannot access LUs associated with the hp-ux host group.
In Figure 5, LUN security is enabled on port CL1-A. The two hosts in the hp-lnx host group can only access
LUs 00:00, 00:01, and 00:02. The two hosts in the hg-hpux host group can only access LUs 02:01 and
02:02. The two hosts in the hg-solar host group can only access LUs 01:05 and 01:06.
Figure 5 Enabling LUN security
Usually, you do not need to disable LUN security on ports. If LUN security is disabled on a port,
connected hosts can only access LUs associated with host group 0, and cannot access LUs associated
with any other host groups.
Figure 6 Disabling LUN security
Host group 0 istheonlyhostgroupreservedforeachportbydefault. IfyouusetheLUNManager
pane to view a list of host groups in a port, host group 0 usually appears at the top of the list and is
indicated by 00 (see Figure 2).
NOTE:
By default, the name of
host group 0
consists of the port name, a hyphen, and 00. For example, host
group 0 for port 1A is named
1A-G00
by default. You can change the name of host group 0.
HP StorageWorks LUN Configuration and Security Manager XP user guide for the
XP12000/XP10000/SVS200
25
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