HP AiO400r HP StorageWorks All-in-One Storage System User Guide (440583-006, J - Page 142
Extending storage using Windows Storage Utilities, Extend volumes using Disk Management
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Extending storage using Windows Storage Utilities Volume extension grows the storage space of a logical drive. During this process, the administrator adds new storage space to an existing logical drive on the same array, usually after the array has been expanded. An administrator may have gained this new storage space by either expansion or by deleting another logical drive on the same array. Unlike drive expansion, the operating system must be aware of changes to the logical drive size. You extend a volume to: • Increase raw data storage • Improve performance by increasing the number of spindles in a logical drive volume • Change fault-tolerance (RAID) configurations For more information about RAID levels, see the Smart Array Controller User Guide, or the document titled Assessing RAID ADG vs. RAID 5 vs. RAID 1+0. Both are available at the Smart Array controller web page or at http://h18000.www1.hp.com/products/servers/proliantstorage/arraycontrollers/ documentation.html. Extend volumes using Disk Management The Disk Management snap-in provides management of hard disks, volumes or partitions. It can be used to extend a dynamic volume only. NOTE: Disk Management cannot be used to extend basic disk partitions. Guidelines for extending a dynamic volume: • Use the Disk Management utility. • You can extend a volume only if it does not have a file system or if it is formatted NTFS. • You cannot extend volumes formatted using FAT or FAT32. • You cannot extend striped volumes, mirrored volumes, or RAID 5 volumes. For more information, see the Disk Management online help. Expanding storage using the Array Configuration Utility The Array Configuration Utility enables online capacity expansion of the array and logical drive for specific MSA storage arrays, such as the MSA1000 and MSA1500. For more information, use the ACU online help, or the procedures to "Expand Array" in the HP Array Configuration Utility User Guide Expand logical drive This option in the ACU increases the storage capacity of a logical drive by adding unused space on an array to the logical drive on the same array. The unused space is obtained either by expanding an array or by deleting another logical drive on the same array. For more information, use the ACU online help, or the "Extend logical drive" procedure in the Array Configuration Utility User Guide 142 File server management