How Do I Query the Storage Space Occupied by Snapshots?

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In DeviceManager, choose Data Protection > Snapshot. On the Snapshot page, view Snapshot Capacity of existing snapshots.

Other related questions:
Is There an Upper Limit on the Storage Space Occupied by Snapshots?
The OceanStor 9000 adopts a single file system. Snapshots can use all the storage space of the system. Snapshot space is not restricted. Users cannot set an upper limit.

Number of coffer disks in an OceanStor V3 storage system and capacity occupied by the coffer disks
The first four disks in the controller enclosure of the OceanStor 5300 V3/5500 V3 are planned as coffer disks. The first four disks in the first disk enclosure of the OceanStor 5600 V3/5800 V3/6800 V3 are planned as coffer disks. Coffer disks are used to store important data of a storage system. Each coffer disk occupies 5 GB of the capacity. Four coffer disks occupy 20 GB in total.

How to release the storage space
Run the reset recycle-bin, delete /unreserved, or rmdir command to delete outdated and unnecessary files to release the storage space. NOTICE: Exercise caution when you run these commands because files cannot be restored after being deleted. Run the reset recycle-bin command in the recycle bin to empty the recycle bin to release the storage space. reset recycle-bin Squeeze flash:/sheader.txt?[Y/N]:y %Cleared file flash:/sheader.txt. Squeeze flash:/123.txt?[Y/N]:y %Cleared file flash:/123.txt. After you run this command, the device displays a message each time before it deletes a file or a directory, asking whether you want to delete it. You can select Y or N to confirm the deletion. Before clearing the recycle bin, you can run the dir /all command to view information about all the files and directories in the storage medium, including files in the recycle bin. Files in the recycle bin are marked by [ ]. Run the delete /unreserved command on the storage medium to delete unnecessary files permanently to release the storage space. delete /unreserved flash:/test/test.txt Warning: The contents of file flash:/test/test.txt cannot be recycled. Continue? [Y/N]:y Info: Deleting file flash:/test/test.txt...succeeded. After you run this command, directories are not deleted. Run the rmdir command on the storage medium to delete unnecessary directories permanently to release the storage space. rmdir test Remove directory flash:/test?[Y/N]:y %Removing directory flash:/test...Done!

How to clear the recycle bin of an S series switch
For S series switches (except S1700 switches), run the following command to clear the recycle bin:
<HUAWEI> reset recycle-bin
Note: The delete XXX command in the user view only moves files to the recycle bin, but does not release the storage space. You can run the dir/all command to view information about all files, including deleted files in the recycle bin marked in brackets ([ ]). These files can be restored using the undelete command. To permanently delete these files from the recycle bin, run the reset recycle-bin command. The files that are deleted using the delete command without the /unreserved parameter are saved in the recycle bin.

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