Cv operations description, Create, Create a cache volume function – Thecus Technology i Series User Manual

Page 39: Delete, Delete a cache volume function, 6 logical unit number

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CV operations description:

Create

Create a cache volume function.

Delete

Delete a cache volume function.

If there is no free space for creating a new dedicated cache volume, cut down the
global cache size first. After resized, then dedicated cache volume can be
created.

Tips

The minimum size of global cache volume is 40MB. The
minimum size of dedicated cache volume is 20MB.


3.6.6

Logical unit number

Enter “Logical unit” function to view the status of attached logical unit number
of each UDV.

User can attach LUN by clicking the “

”. Please refer to

Figure 3.6.6.1. “Host” must input an initiator node name for access control, or
fill-in wildcard “*”, which means every host can access the volume. Choose LUN
number and permission, then click “

”. Please refer to Figure

3.6.6.2. Users can assign up to 256 LUNs per system (controller). For host
connections, the number of simultaneous hosts are limited to 32 hosts per
system (controller). For single user data volumes (UDV), up to three hosts can
access one UDV at the same time.


Tips

Three hosts access the same UDV in the same time. The
function is depending on the software installed on the client PC
(i.e. MetaSAN).


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