Volume expansion, Resizing a thick or thin volume – QNAP TVS-472XT 4-Bay NAS Enclosure User Manual

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• A volume is unmounted and becomes inaccessible while its file system is being

checked.

• This process might take a long time, depending on the size of the volume.

Important

QTS will only scan the specified volume if it has detected errors on the volume's file

system.

1. Open Storage & Snapshots.

2.

Click

.

The Global Settings window appears.

3. Click Storage.

4. Enable Scheduled File System Check.

5. Specify a date and time.

6. Click Apply.

Volume Expansion

Expanding a volume increases its maximum capacity so that it can store more data.

Resizing a Thick or Thin Volume

The maximum capacity of thick and thin volumes can be increased or decreased.

Operation

Details

Expand Volume

• The operation can be performed while the volume is online and

accessible to users.

• For a thick volume, additional space is allocated from the volume's

parent storage pool.

Shrink Volume

• Users and applications will be unable to access the volume until the

operation is finished.

• For a thick volume, the freed space is returned to the volume's parent

storage pool.

Volume Type

Maximum Allowed Capacity

Thick

Amount of free space in the parent storage pool.

Thin

Twenty times the amount of free space in the parent storage pool.

Important

Setting the maximum size of a thin volume to a value that

is greater than the amount of free space in the storage

pool is called over-allocation.

1. Go to Storage & Snapshots > Storage > Storage/Snapshots .

2. Select a thick or thin volume.

QTS 4.4.x User Guide

Storage & Snapshots

51

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