Dell DL1000 Guia do Utilizador descarregar pdf (Página 42)

4. Enter the Transfer Settings options for the machine as described in the following table.

Text Box Description

Priority Sets the transfer priority between protected machines. Enables you to assign

priority by comparison with other protected machines. Select a number from 1

to 10, with 1 being the highest priority. The default setting establishes a priority

of 5.

NOTE: Priority is applied to transfers that are in the queue.

Maximum

Concurrent

Streams

Sets the maximum number of TCP links that are sent to the Core to be

processed in parallel per agent.

NOTE: Dell recommends setting this value to 8. If you experience

dropped packets, try increasing this setting.

Maximum

Concurrent Writes

Sets the maximum number of simultaneous disk write actions per agent

connection.

NOTE: Dell recommends setting this value to the same value that you

select for Maximum Concurrent Streams. If you experience packet loss,

set this value slightly lower. For example, if Maximum Current Streams is

set at 8, set this option to 7.

Maximum Retries Sets the maximum number of retries for each protected machine, if some of

the operations fail to complete.

Maximum

Segment Size

Specifies the largest amount of data, in bytes, that a computer can receive in a

single TCP segment. The default setting is 4194304.

CAUTION: Do not change this option from the default setting.

Maximum Transfer

Queue Depth

Specifies the number of commands that can be sent concurrently. You can

adjust this option to a higher number if your system as a high number of

concurrent input/output operations.

Outstanding

Reads per Stream

Specifies how many queued read operations will be stored on the back end.

This setting helps to control the queuing of agents.

NOTE: Dell recommends setting this value to 24.

Excluded Writers Select a writer if you want to exclude it. Since the writers that appear in the list

are specific to the machine that you are configuring, you may not see all the

writers listed. Some writers you may see include:

• ASR Writer

• BITS Writer

• COM+ REGDB Writer

• Performance Counters Writer

• Registry Writer

• Shadow Copy Optimization Writer

• SQLServerWriter

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