D-Link DSN-6510 User Manual - Page 100
Thin Provisioning Options, The following describes the thin provisioning options.
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D-Link Document - User Manual Snapshot space sits at the same RAID group of the volume that the snapshot is taken against. Therefore when you expose the snapshot into a virtual disk, it becomes a thin-provisioned virtual disk. It will only take up the just the right amount of space to store the data, not the full size of the virtual disk. Convert traditional virtual disk to Thin and vice versa. Move all your existing fat-provisioned virtual disks to thin-provisioned ones. Virtual disk clone function can be performed on both directions - fat-to-thin and thin-to-fat, depending on your application needs. Figure 5 shows cloning a fat virtual disk to a thin one. Figure 5: Clone between thin virtual disk and fat one Thin Provisioning Options The following describes the thin provisioning options. Threshold settings and capacity policies. These are designed to simplify the management and better monitor the storage usage. You can set as many as 16 policies for each RAID group. When space usage ratio grows over the threshold set in the policy, the action will be taken and event log will be generated. Copyright@2014 D-Link System, Inc. All Rights Reserved. 100