HP StorageWorks External Storage XP user guide for the XP12000, XP10000, SVS200 (T1706-96009, October 2007)

Path status and e
xamplesofrecoveryprocedures(XP1024/XP128DiskArrays)
Table 22 shows examples of recovery procedures when the path status is not normal. When the path
status is not no
rmal, see Troubleshooting External Storage XP and this table to recover the path status. If
you cannot restore the path, contact your HP account support representative.
Table 22 Path status and examples of recovery procedures (XP1024/XP128 Disk
Arrays)
Path status
Examples of recovery procedures
LUN Manager may have changed the LU paths' settings.
Check the LU pa
ths' settings. If the LU paths' settings changed, change
the settings b
ack to the ones used when the volume was mapped.
Or use External Storage XP to perform the Delete LU operation, and
perform the A
dd LU operation again.
External device setting changed
Open LDEV Guard may have changed the volume's access attribute.
Check the volume's access attribute. If the volume is protected by the
access attribute, release the protection.
Thevolumemayhavebeensetasapairvolumefordatacopy.
Check if the volume is set as a pair volume for Business Copy XP,
Continuous Access XP, or another copy program. If the volume is set as
a pair volume, the volume might be protected because of the pair status.
If the volume is protected, change the pair status or delete the pair.
Illegal request
Open LDEV Guard may have changed the volume's access attribute.
Check the v
olume's access attribute. If the volume is protected by the
access at
tribute, release the protection.
Thevolumemayhavebeensetasapairvolumefordatacopy.
Check if the volume is set as a pair volume for Business Copy XP,
Continuous Access XP, or another copy program. If the volume is set as
a pair volume, the volume might be protected because of the pair status.
If the volume is protected, change the pair status or delete the pair.
Response error
Open LDEV Guard may have changed the volume's access attribute.
Check the volume's access attribute. If the volume is protected by the
access attribute, release the protection.
There i
s a problem with connection to the external array. The following
are pos
sible causes:
• The fibr
e cable is not connected properly.
• The to
pology setting between the external and target ports does
not ma
tch.
• If the
external array is connected through switches, the switches'
sett
ings might not be appropriate.
Check if the fibre cable is connected properly, and use LUN Manager
to set the Fibre Channel port properly.
Cannotdetectport
LUN Manager may have set LUN security.
Check if LUN security is enabled. If LUN security is enabled, disable
LUN security.
Connecting XP512/XP48 Disk Arrays
When connecting an XP512/XP48 Disk Array as the external array, you must set the port's host mode to
PC S
erver (0C).
Also, the port attribute must be the target or RCU target port.
154
Notes on connecting external arrays