Hp StorageWorks XP Remote Web Console Software Uživatelský manuál stáhnout pdf (Strana 15)

Auto LUN XP user guide for the XP12000/XP10000 15

The auto migration function can move a high-usage volume to a higher HDD class group, forcing a

low-usage volume out of that HDD class group. To do so, the auto migration function requires a minimum of

5% difference in estimated disk usage between the two volumes. If the difference is less than 5%, this

migration is considered ineffective and the volume is not moved.

Figure 3 Auto migration function example 1

The auto migration function can also move a volume from one parity group to another group of the same

HDD class, forcing another volume out of the destination parity group. To do so, the auto migration

function requires a minimum of 20% difference in estimated disk usage between the two volumes. If the

difference is less than 20%, this migration is considered ineffective and the volume is not moved.

Figure 4 Auto migration function example 2

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Hp StorageWorks XP Remote Web Console Software Uživatelský manuál Strana 15