Fujitsu 2.1 Manual De Usuario

Chapter 3  Preparation
  3.2  Shadow Copy Destination Disk Creation

ETERNUS VSS Hardware Provider 2.1 User’s Guide

Copyright 2012 FUJITSU LIMITED

P3AM-4582-03ENZ0

3

Measure the amount of updates using the extracted "Update Volume Measurement 
Command".

Example) With the "Update Volume Measurement Command" extracted in C:\temp

(1) Start measuring the amount of updates for the target source disk. (start option)

(2) Measure the typical amount of source disk updates. 

To discover the typical amount of source disk updates, run some arbitrary update operations.
For example, to estimate the required capacity for backing up a whole day of updates,
execute a typical days worth of update operations.

(3) After the arbitrary update operations have completed, check the amount of source disk 

updates. (status option)

(4) After checking the amount of updates, stop measuring the amount of updates. (stop option)

(5) Estimate a SDV capacity.

According to the measured amount of updates, estimate the SDV physical capacity.
Example) Based on the result in (3), SDV physical capacity = 2MB.

4

Because the command executed here is for pre-operation use in determining required 
capacities, delete the "Update Volume Measurement Command" package and 
extracted files after determining the required capacity.

For the details about the "Update Volume Measurement Command", refer to 

. 

C:\temp>stxvtestcopy start -p 1
stxvtestcopy successfully completed.

C:\temp>stxvtestcopy status -p 1
source-disk  update
1            2
stxvtestcopy successfully completed.

C:\temp>stxvtestcopy stop -p 1
stxvtestcopy successfully completed.