• The maximum capacity of a LUSE volume is 60 TB.
NOTE:
When a host accesses a LUSE volume, the host can only access less than 2 TB of the LUSE volume's
address area.
• Combining command devices and Just In Time volumes into a LUSE volume is not supported.
• The access attribute must be set to Read/Write.
• Combining internal LUs, external LUs, and virtual volumes (V-VOLs) is not supported.
• During online, the host mode must not be 0x0C [Windows].
• The I/O suppression mode and cache mode settings of LDEVs combined into a LUSE volume
must be the same.
• AllLDEVscombinedintoaLUSEvolumemustbeofthesamedrivetype(eitherSATAdriveor
non-SATA drive).
• VMAs are not set to LDEVs.
NOTE:
For more information about volume management areas (VMAs), see the
HP StorageWorks LUN
Security XP Extension user guide
.
• LDEVs are not pool volumes (pool-VOLs).
• LDEVs are no
tjournalvolumes.
The following are the specifications and restrictions on LDEVs released from a LUSE volume:
• TheLUSEvolumemustnothaveadefined path.
• The access
attribute must be set to Read/Write.
Volume Manager operations using a path-defined LDEV
When you create a LUSE volume, the top LUSE volume can be either an LDEV or LUSE volume that has
one or more paths definedtoit.OnlythetopvolumeintheLUSEvolumetobecreatedcanhaveany
paths. Other volumes in the LUSE volume to be created must not have any paths.
NOTE:
You can perform a Volume Manager operation using a path-defined LDEV regardless of how many
paths are defined to the LDEV.
NOTE:
You cannot combine a path-defined LDEV or LUSE volume with another path-defined LDEV or LUSE
volume.
NOTE:
When you start the Volume Manager operation to combine a path-defined LDEV or LUSE volume
with another path-defined LDEV or LUSE volume, a confirmation pane appears. Click OK if you want
to conti
nue or Cancel if you do not.
HP StorageWorks LUN Configuration and Security Manager XP user guide for the
XP12000/XP10000/SVS200
141
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