Installation guide

Software Operation Manual
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Fiber LUN: Each Fiber LUN base can support up to 8 LUNs. Most Fiber
Channel host adapter treats each LUN like a Fiber disk.
5.5.3.1.8 Cache Mode
User can set the cache mode to: "Write-Through" or "Write-Back".
5.5.3.1.9 Tag Queuing
This option, when enabled, can enhance overall system performance under
multi-tasking operating systems. The Command Tag (Drive Channel) function
controls the SAS command tag queuing support for each drive channel. This
function should normally remain enabled. Disabled this function only when
using older drives that do not support command tag queuing.