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LUN Configuration and Security Manager XP user guide for the XP128/XP1024 55
Table 15 shows the relationship between the combinations of port settings and the connection results.
Irrespective of whether a host is configured for port authentication using CHAP, the connection results are
as follows, unless otherwise noted.
.
For additional information on user authentication, see ”User authentication (iSCSI environments only)” on
page 25.
Operational restrictions
The success of some LUN Manager activities depends on the status of the security switch and whether I/O
is active or inactive to the port or LUN. The following tables describe those restrictions.
NOTE:
• If you attempt to apply a large number of the settings in the LUN Manager panels in a single session,
the XP128/XP1024 might be unable to continue processing. It is recommended that you apply no
more than 1,000 settings per session. Note that a large number of settings are likely to be applied
when you define alternate paths (see ”Defining alternate paths” on page 41), even though only two
commands are required to define alternate paths.
• Do not remove LU paths (see ”Changing or viewing LU path settings” on page 37) when the hosts are
performing I/O processing.
• Do not remove LUN security (see ”Applying and removing LUN security” on page 44) when the hosts
are performing I/O processing.
Restrictions on LUN Manager operations
Table 15 Combinations of iSCSI port settings and connection results
Port settings Connection results
Authentication:
at port
User information
registered on host?
Enable
authentication
ON Yes Selected
Connected if the host authentication was
successful (processing will continue to port
authentication)
1
1. If a host is not configured for port authentication using CHAP, the host cannot connect to the disk array.
ON Yes Not selected Connected without host authentication
ON No —
2
2. ---: This item does not affect the connection results, or cannot be specified.
Authentication failed to be authenticated and
cannot be connected
OFF — —
Connected without host authenticati
on
3
3. If a host uses Microsoft iSCSI Initiator and is configured for port authentication using CHAP, host authentication will fail. To allow
such a host to connect to the port without authentication, do not configure it for CHAP port authentication.
Table 16 LUN Manager operation restrictions
Activity Security switch OFF Security switch ON
Host group 0 Host group
01-7F
Host group 0 Host group
01-7F
Setting the LUN
Security Switch
ON
With active I/O
on port
Permitted with
confirmation
message
Invalid operation Invalid operation
With no active
I/O on port
- HP StorageWorks 1
- Contents 3
- About this guide 9
- Related documentation 10
- HP technical support 10
- Subscription service 11
- LU configuration overview 13
- Supported emulation types 13
- LU paths 13
- Host storage domains 14
- 16-Port FC/CA CHIP product 16
- Host groups 17
- Host modes 18
- LUN Security 19
- RAID Manager command devices 20
- Fibre Channel port attributes 21
- ®, or HP-UX 11i 23
- EUI.02004567A425678D 24
- ® iSNS Server as the iSNS 24
- Host authentication 26
- LUN Manager operations 28
- LU Path tree 29
- Fibre Channel folder 29
- NAS folder 29
- Icon Status 30
- LU Path table 32
- WWN or iSCSI name table 32
- Defining LU paths 33
- Creating host groups 34
- Deleting LU paths 37
- Deleting host groups 38
- Defining alternate paths 41
- Viewing alternate paths 44
- Deleting WWNs 44
- Port Operations 45
- Port table 46
- Change Port Mode box 47
- Configuring iSCSI Ports 48
- (iSCSI environment only) 49
- User Authentication tab 50
- User Information (Port) table 51
- Operational restrictions 55
- Activity 57
- Drawbacks 59
- LUSE rules 59
- VSC operations 60
- Parity group configuration 61
- Volume to Space operation 62
- Restrictions 63
- LUSE operations 66
- Select an LDEV list 67
- Volume Count list 67
- Free LDEVs table 67
- Expanded LDEVs list 68
- Releasing a LUSE volume 70
- Changing LUSE capacities 70
- VSC Operations 71
- Parity Group - LDEV table 72
- Capacity unit list 73
- Formatting LDEVs 89
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