User manual HP STORAGEWORKS XP FLEX COPY SOFTWARE

[. . . ] HP StorageWorks Flex Copy XP user guide Part number: T1725-96003 Third edition: June 2006 Legal and notice information © Copyright 2005, 2006 Hewlett-Packard Development Company, L. P. Valid license from HP required for possession, use or copying. Consistent with FAR 12. 211 and 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. [. . . ] Specify one of the following values: 1 or 2: Slower 3: Medium 4 - 15: Faster If you specify Slower, the effect on host I/O decreases because of the copy processing's slow pace. If you specify Faster, copy processing completes in a short time period. When you do not specify the -S or -E option parameters: The P-VOL's status changes to PSUS and the S-VOL's status changes to SSUS. If you execute the pairsplit command on the pair when the P-VOL and S-VOL statuses are COPY, the status changes after copy processing completes. If you execute the pairsplit command on the pair when the P-VOL and S-VOL statuses are PAIR, the status changes immediately. When you specify the -S option parameter: Copy processing does not execute, and the Flex Copy XP pair is canceled. The P-VOL and S-VOL statuses change to SMPL. When you specify the -E option parameter: Copy processing does not execute, and the P-VOL and S-VOL statuses change to PSUE. You can specify the copy pace using the -C <size> option parameter. Specify one of the following values: 1 or 2: Slower 3: Medium 4-15: Faster If you specify Slower, the effect on host I/O decreases because of the copy processing' slow pace. If you specify Faster, copy processing completes in a short time period. If you omit this option, Medium is set. RAID Manager XP command paircreate (see Figure 13 for the relationship between the command and pair status. ) pairsplit (see Figure 13 for the relationship between the command and pair status. ) · · · · 30 Requirements and overview of copy operations Table 7 Examples of RAID Manager XP commands (continued) Operation · When you do not specify the -restore option parameter: Copy processing from the P-VOL to the S-VOL executes. After copy processing completes, the P-VOL and S-VOL statuses change to PAIR. When you specify the -restore option parameter: Copy processing from the S-VOL to the P-VOL executes. After copy processing completes, the P-VOL and S-VOL statuses change to PAIR. You can specify the copy pace using the -c <size> option parameter. Specify one of the following values: 1 or 2: Slower 3: Medium 4-15: Faster If you specify Slower, the effect on host I/O decreases because of the copy processing's slow pace. If you specify Faster, copy processing completes in a short time period. If you omit this option, Medium is set. RAID Manager XP command pairresync (see Figure 13 for the relationship between the command and pair status. ) · · pairevtwait pairmon pairvolchk raidscan Waits for completion of pair processing and checks the status. Obtains the pair status transition of each pair and the errors. Checks the connection configuration of the local and external arrays. System operation example Figure 18 shows an example of the data backup system operation using Flex Copy XP. In Figure 18, backup data from the external array in the Branch Office is obtained in the local array installed in the Head Office. Figure 18 Obtaining backup data from the Branch Office to the Head Office In this example, the online backup system operation is made possible using Flex Copy XP on the local array with Business Copy XP on the external array. [. . . ] Possible factors include: · · · Read or Write operations are not permitted. After the external LU's mapping operation (Add LU operation), the external LU's capacity is reduced. The reserve attribute is set. The factor for the error does not match any of these factors. If this problem persists, contact your HP account support representative. Contacting your HP account support representative If you need to call your HP account support representative, provide as much information about the problem as possible. [. . . ]