Chapter 4 Function/System Settings and Display
4.2 Advanced Copy Management > set rec-round-trip-time
ETERNUS CLI User’s Guide
Copyright 2015 FUJITSU LIMITED P2X0-1030-09ENZ0
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set rec-round-trip-time
The REC round trip time is set based on the result of the "measure rec-round-trip-time" command. However,
the REC round trip time for individual paths can be tuned in order to maximize REC performance. This
command is used to manually set the REC round trip time.
■ Syntax
■ Parameter
■ Example(s)
If the round trip time is specified, the path multiplicity is automatically changed to the recommended
multiplicity.
set rec-round-trip-time -remote-boxid
remote_storage_system_box_id
-time
round_trip_time
-remote-boxid
This parameter specifies the Box ID of a single remote storage system. This is the storage
system for which the REC round trip time is to be manually set.
• Box IDs use a maximum of 40 alphanumeric characters, spaces, and pound key characters
(#).
• All alphabetic characters are handled as uppercase.
• Hash marks (#) are automatically appended to Box IDs shorter than 40 characters in
length.
-time This parameter specifies the REC round trip time. The possible values are from 1 to 65535
milliseconds. The following ranges are recommended:
Asynchronous Through Mode: 100ms or less
Synchronous Transfer Mode: 50ms or less
The following example sets the multiplicity to 5.
CLI> set rec-round-trip-time -remote-boxid "00DXL#########ED06F21AUABCPJ000001######" -time 5
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