When a volume has a "Read/Delete" status, it means the data on the volume can only be read or deleted. You cannot modify existing data or write new data to the volume. Some operations also do not work; for example, you cannot map a folder on the volume as a network drive.
When its parent storage pool is full (that is, when the storage pool has less than 16 GB unallocated space), a thin volume or a thick volume with snapshots changes its status to "Read/Delete". When QTS detects there is sufficient free storage pool space (> 32 GB), the volume returns to normal read/write status.
Solution
There are several actions you can take to return a thin or thick volume to normal read/write status:
Log in to QTS as an administrator.
Go to Storage & Snapshots > Storage > Storage/Snapshots.
Click the storage pool containing the affected volume(s). All volumes in the storage pool and their information appear.
Note what types of volumes (thin or thick) are in the storage pool. Note: There are two actions below that require the storage pool to contain thin volumes or thick volumes.
Perform one or more of the following actions.
Action
User Actions
Permanently delete unwanted files
Delete unwanted files.
Open File Station.
Open a folder in a volume.
Select all unwanted files.
Right-click and select Delete. A confirmation message appears.
Select Delete permanently. Click OK. The system permanently deletes the selected files.
Repeat the above steps for other folders and volumes.
Empty all recycle bins.
Open Control Panel.
Go to Network & File Services > Network Recycle Bin.
Click Empty All Network Recycle Bin. A confirmation message appears.
Click OK.
Run a space reclaim
Note:
The storage pool must contain at least one thin volume with reclaimable space.
To create reclaimable space in a thin volume, you can delete unwanted files. For details, see "Permanently delete unwanted files".
Open Storage & Snapshots.
Go to Storage > Storage/Snapshots.
Select the storage pool.
Click Manage. The storage pool management window opens.
Click Action and select Free some space. The Increase Pool Free Space window opens.
Next to Run a space reclaim to release used space on thin volumes, click Execute. A confirmation message appears.
Click OK.
Delete unwanted snapshots
Open Storage & Snapshots.
Go to Storage > Storage/Snapshots.
Select the storage pool. All volumes in the storage pool appear.
Select a volume.
Click Snapshot and select Snapshot Manager. The Snapshot Manager window opens.
Select unwanted snapshots to delete.
Click . The system deletes the selected snapshots.
Repeat the above steps for other volumes.
Reduce or disable the pool guaranteed snapshot space
Note: You may need to delete some snapshots from each volume first. For details, see "Delete unwanted snapshots".
Open Storage & Snapshots.
Go to Storage > Storage/Snapshots.
Select the storage pool.
Click Manage. The storage pool management window opens.
Click Action and select Configure Pool Guaranteed Snapshot Space. The Snapshot Settings window opens.
Specify a lower percentage of pool space to reserve for snapshots, or disable the pool guaranteed snapshot space.
Click OK.
Expand the storage pool
Note:This action requires free disks on the NAS or an expansion unit.
Open Storage & Snapshots.
Go to Storage > Storage/Snapshots.
Select the storage pool.
Click Manage. The storage pool management window opens.
Click Action and select Expand Pool. The Expand Storage Pool Wizard opens.
Follow the on-screen instructions.
Convert thick volumes to thin volumes
Note: Converting a thick volume to a thin volume removes all existing snapshots of the thick volume, thereby freeing up space.
Open Storage & Snapshots.
Go to Storage > Storage/Snapshots.
Click the storage pool. All volumes in the storage pool appear.
Select a thick volume.
Click Manage. The volume management window opens.
Click Actions and select Convert to Thin Volume. A confirmation message appears.
Click Apply. QTS converts the thick volume into a thin volume.
Optional: Repeat the above steps for the other thick volumes.
. The system deletes the selected snapshots.
