User's Manual

NOTE: The HP 3PAR Storage System source volumes used by Recovery Manager must be base
volumes. Recovery Manager cannot use physical copies or virtual copies as source volumes.
Formatting Partitions on a New HP 3PAR VLUN
When you create HP 3PAR VLUNs for use with SQL Server, you must align the partitions.
Windows Server 2003
Before formatting a partition on a new HP 3PAR VLUN, use the Windows diskpart.exe tool to
align the starting partition offset. Align the offset to 64KB, as recommended in this article: Disk
Partition Alignment Best Practices for SQL Server
To check the current offset value, use the Microsoft System Information utility, included with Windows:
1. Launch the System Information utility one of the following ways:
• Select Start→Programs→Accessories System Tools→System Information
• At the command prompt, run the command: msinfo32.exe
2. Select System Summary→Components→Storage→Disks.
The offset for each disk in the system is displayed in bytes in the Partition Starting Offset field.
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