HP ProLiant DL380G5-WSS 3.7.0 HP StorageWorks HP Scalable NAS File Serving Sof - Page 105
Guidelines for creating dynamic volumes, Create a dynamic volume
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Guidelines for creating dynamic volumes When creating striped dynamic volumes, follow these guidelines: • The subdevices used for a striped dynamic volume should be the same size. The Cluster Volume Manager uses the same amount of space on each subdevice in the stripeset. When a striped dynamic volume is created, the Cluster Volume Manager determines the size of the smallest specified subdevice and then uses only that amount of space on each subdevice. If the subdevices are different sizes, the additional space on the larger subdevices will be wasted. This limitation also applies when a striped dynamic volume is extended. The newly added subdevices constitute a new stripeset. The size of the smallest subdevice determines the amount of space that will be used on each of the subdevices. • In general, the stripe size should be set to 2 MB or greater, and, for many disk arrays, disk partitions should be aligned on block boundaries (see Disk partition alignment, page 87). Create a dynamic volume When you create a dynamic volume, you will need to select the subdevices to be included in the volume. If the volume will be striped, you will also need to select a stripe size. Optionally, HP Scalable NAS can also create a filesystem that will be placed on the dynamic volume. To create a dynamic volume from the Management Console, use one of the following methods: • From the Storage menu, select Dynamic Volume > Create Volume • Select Cluster > Add > Add Dynamic Volume • Click Volume on the toolbar HP Scalable NAS File Serving Software administration guide 105
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