User manual HP STORAGEWORKS XP10000 DISK ARRAY

[. . . ] HP StorageWorks Business Copy XP user guide for the XP12000/XP10000/SVS200 Part number: T1713-96008 Fifth edition: September 2007 Legal and notice information © Copyright 1999, 2007 Hewlett-Packard Development Company, L. P. Valid license from HP required for possession, use or copying. Consistent with FAR 12. 21 and 1 12. 212, Commercial Computer Software, Computer Software Documentation, and Technical Data for Commercial Items are licensed to the U. S. Government under vendor's standard commercial license. [. . . ] Figure 22 and Figure 23 show examples of when you cannot create BC pairs using volumes shared with Continuous Access XP and Continuous Access XP Journal. NOTE: A Continuous Access XP Journal primary volume (P-VOL) means a Continuous Access XP Journal primary data volume. A Continuous Access XP Journal secondary volume (S-VOL) means a Continuous Access XP Journal secondary data volume. Figure 22 is an example of a volume functioning as both a Continuous Access XP Journal S-VOL and a Continuous Access XP P-VOL. In this configuration, you cannot use this volume as the P-VOL of a BC pair. Figure 22 BC, Continuous Access XP Journal, and Continuous Access XP: Shared S-VOL/P-VOL/S-VOL Figure 23 is an example of a volume functioning as both a Continuous Access XP S-VOL and a Continuous Access XP Journal P-VOL. In this configuration, you cannot use this volume as the P-VOL of a BC pair. 50 Business Copy XP (BC) for the Array Figure 23 BC, Continuous Access XP, and Continuous Access XP Journal: Shared S-VOL/P-VOL/S-VOL Combining BC with LUN Security XP Extension BC can create pairs using volumes for which LUN Security XP Extension sets the access attribute. However, you cannot create a BC pair specifying a volume with the S-VOL Disable attribute as an S-VOL. Table 15 shows whether you can specify the volume with access attribute as a P-VOL or S-VOL of a BC pair. Table 15 Access attribute and availability as a BC pair volume Access attribute Read/Write Read Only Protect S-VOL Disable Availability as a BC pair volume P-VOL OK OK OK OK S-VOL OK NO NO NO Table 16 shows whether you can perform BC operations on the volume with the S-VOL Disable attribute. Table 16 Availability of BC operations on volumes with the S-VOL Disable attribute BC operations Paircreate Pairsplit Paircreate and Pairsplit1 Forward Pairresync Backward Pairresync Suspend Delete Availability of BC operations P-VOL OK OK OK OK NO OK OK S-VOL NO NO NO NO NO NO OK 1Paircreate and Pairsplit means you simultaneously create and split BC pairs. Copying access attributes If you create a BC pair using volumes that LUN Security XP Extension has set to VMA (Volume Management Area), you can copy information about the access attribute in the P-VOL's VMA to the S-VOL. Business Copy XP user guide 51 Table 17 VMA setting and availability of Paircreate operation P-VOL Volume without VMA Volume with VMA S-VOL Volume without VMA OK NO Volume with VMA NO OK NOTE: You can specify a volume with VMA as a reserve volume. Figure 24 shows the process of copying of access attribute when you create a pair using volumes with VMA. NOTE: When you use volumes with VMA to create a BC pair, both the P-VOL and S-VOL must have VMA. Figure 24 Copying access attribute In Figure 24, if both the P-VOL and S-VOL have VMA, the P-VOL's VMA is copied to the S-VOL. In Figure 24, the S-VOL's access attribute is Read/Write when the pair status is SMPL. After the P-VOL's VMA is copied to the S-VOL, the S-VOL's access attribute is Read Only, which is same as the P-VOL's access attribute. When the pair status is PAIR, copied access attribute information is not effective, so the S-VOL's access attribute is still Read/Write. To make the copied access attribute information effective, split the pair and make the pair status PSUS. When the pair status is PSUS, the S-VOL's access attribute changes to Read Only. For more information about pair status and operations related to the access attribute, see Table 18. 52 Business Copy XP (BC) for the Array CAUTION: Because the S-VOL's access attribute is changed after copying the P-VOL's access attribute, be careful about access attributes of volumes to be specified as BC pairs. For example, if the P-VOL's access attribute is S-VOL Disable, the S-VOL's access attribute is also S-VOL Disable after copying the access attribute. You cannot perform Pairresync operations on the S-VOL that has the S-VOL Disable access attribute. You must change the access attribute to something other than S-VOL Disable. For more information about changing the access attribute, see the HP StorageWorks LUN Security XP Extension user guide. [. . . ] The status mode specification (status modec) in the Status Check command is incorrect. Corrective Action Check pair status. Confirm a pair condition. 103C Confirm a pair condition. 103D 103E After making L1 pair a split condition, re-execute. Place the BC pair in SMPL status, or place the Continuous Access XP pair that uses the BC S-VOL as a P-VOL in SMPL status. Place the Continuous Access XP pair that uses the BC S-VOL as a P-VOL in PSUE or SMPL status. [. . . ]