Fujitsu ETERNUS DX60 S3 User Manual page 614

Chapter 7 Advanced Copy Management
7.8 REC Management
• Round trip times must be set for copy source and copy destination storage systems. Refer to
Measure Round Trip Time" (page 639)
• It takes a maximum of 160 seconds to measure the round trip time.
• Copy paths cannot be created between the following storage systems.
- ETERNUS DX8700 S3/DX8900 S3 and ETERNUS6000
- ETERNUS DX500 S3/DX600 S3 and ETERNUS6000
- ETERNUS DX100 S3/DX200 S3 and ETERNUS6000
- ETERNUS DX200F and ETERNUS6000
- ETERNUS DX90 and ETERNUS DX410/DX440/DX8100/DX8400/DX8700
- ETERNUS DX90 and ETERNUS4000/ETERNUS8000 model 400/600/800/1200/2200
- ETERNUS DX90 and ETERNUS4000/ETERNUS8000 model 300/500/900/1100/2100
• Only copy path information files created/saved with this function can be loaded with this function.
• The storage system information file that can be loaded by using this function is the file that can be
obtained and downloaded from
612).
• Use the procedure in
local storage system. The copy path information of the local storage system is initialized.
• The round trip time can be measured only between the local storage system and a remote storage system
that has a physical path to the local storage system. When a copy path is created between remote storage
systems, apply a copy path information file to the applicable storage system before measuring the round
trip time.
• The round trip time can be measured only when the connection type is "Remote".
• To change the measured round trip time, use the procedure in
639).
• When the link speed is changed, use this function to create new copy paths with the changed link speed.
After creating copy paths with the new link speed, apply the copy path information to both the copy
source and the copy destination storage systems for which the link speed was changed.
For details on the parameters for this function, refer to
For the factory default settings for this function, refer to
for details.
"Storage systems that can be used as remote storage systems" (page
"7.8.3 Delete All Copy Path" (page 636)
614
ETERNUS Web GUI User's Guide (Settings)
Copyright 2015 FUJITSU LIMITED
to delete the copy path information in the
"7.8.5 Measure Round Trip Time" (page
"A.7.5 Set Copy Path" (page
"Appendix B Set Copy Path" (page
"7.8.5
942).
1010).
P2X0-1270-13ENZ0