HP StorageWorks Continuous Access XP user guide for the XP10000/XP12000 (December 2005)

Continuous Access XP user guide for the XP10000/XP12000 45
NOTE: If the pair is suspended or deleted during the COPY status, the P-VOL’s access attribute is not
copied to the S-VOL. To copy the P-VOL’s access attribute to the S-VOL, ensure that the pair status is PAIR,
and suspend or delete the pair.
NOTE: When the P-VOL is in the COPY or PAIR status, there are two access attributes that can and cannot
be changed according to the existing access attribute. For more information about the variable access
attribute, see Table 15.
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License capacity for LUN Security XP Extension
To create a Continuous Access XP pair using volumes with VMA, if the P-VOL has an access attribute that
requires the license for LUN Security XP Extension, you must have LUN Security XP Extension’s license
capacity for S-VOLs in the disk array on the secondary site. This is because when the copying access
attributes is complete, P-VOLs and S-VOLs have the same access attributes. For more information about
copying access attribute, see Figure 19.
Table 14 Pair status and availability for LUN Security XP Extension operations
Volume Pair status LUN Security XP Extension operations
Changing access attribute Referencing access attribute
P-VOL SMPL OK OK
COPY
1
1. See Table 15.
OK
PAIR
1
OK
PSUS OK OK
PSUE OK OK
S-VOL SMPL OK OK
COPY No OK
PAIR No OK
PSUS No
2
2. If the Write option is set to the S-VOL, the access attribute can be changed.
OK
PSUE No OK
Table 15 Variable access attribute (pair status of Continuous Access XP P-VOL is PAIR or COPY)
Access attribute
before change
Variable access attribute
Read/Write Read Only Protect S-VOL Disable
Read/Write — No No OK
Read Only OK — OK OK
ProtectOKOK— OK
S-VOL DisableOKNoNo—