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Chapter 5: Configuration Parameters

Host-side Parameters 5-17

5.10 Host-side Parameters

1. Maximum Queued I/O Count: Determines the maximum

number of queued I/O count the controller can receive from the

host.

2. LUNs per Host SCSI ID: Determines how many LUNs may co-

exist under one SCSI/Fibre channel ID. The available number of

host IDs and LUNs is also determined by the size of cache

memory that comes with your RAID subsystem.

3. Max. Number of Concurrent Host-LUN Connection: The

configuration option adjusts the internal resources for use with a

number of concurrent host-to-ID/LUN nexus.

4. Number of Tags Reserved for each Host-LUN Connection:

Each of the above mentioned nexus has 32 tags reserved. When

the host sends 8 I/O tags to the controller, and the controller is

too busy to process them all, the host might start to send less

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Rorke Data The Galaxy 65 Specifiche Pagina 102