User manual

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6. An SSD cache volume will be created.
Note: If SSD Cache is enabled with the Read-Write type, the SSD MUST NOT be removed
while it is being used, as this will cause data loss.
Removing SSD Volumes
Follow the steps below to remove a SSD volume:
1. Click "Remove".
2. Please note that all data on the selected hard drive(s) will be erased. Click "Yes" if you
are certain about this.
3. The SSD volume will be removed. This operation can take a prolonged period if the SSD
Cache is in Read/Write mode, as all the data in the cache must be flushed to the hard
drive first.
Expanding SSD Volumes
Follow the steps below to expand a SSD volume:
1. Click "Add SSD Drive".
2. Select the SSD drive(s) from the list and click "Expand".
3. Please note that all data on the selected hard drive(s) will be erased. Click "Yes" if you
are certain about this.
4. The SSD volume will be expanded.
Configuring Volumes for SSD Cache
Follow the steps below to configure volumes for a SSD cache:
1. Click "Cache Setting".
2. Select or deselect a volume to enable/disable the SSD cache, choose whether or not to
record large block, sequential I/O operations in the cache space, and click "Finish".
3. The settings will be applied to the chosen volume.
Note:
 For larger block, sequential I/O operations such as video streaming, the hit rate is
lower, and by default, they are not recorded in the cache space. If you need to record
such operations, please cancel this setting, but please remember that after this setting
is cancelled, more cache space and computing resources will be consumed for such
operations.
 Not all applications can benefit from a SSD cache. Please make sure that the SSD