Displaying the rate of change of data, between a Snapshot copy and the active file system

You can view the summary of the rate of change between the oldest Snapshot copy and the active file system. For details, see the na_snap(1) man page.

Step

To display data change rates between two Snapshot copies, enter the following command: snap delta vol_name snap1 snap2
vol_name is the name of the volume containing the Snapshot copies.

snap1 and snap2 are the names of the two Snapshot copies.

Example

The following table displays a summary of the rate of change between the oldest Snapshot copy and the active file system.

The following command lists the rate of change between nightly.0 and hourly.1 of the vol0 volume:

system> snap delta vol0 nightly.0 hourly.1

Volume vol0 working... 
From Snapshot To         KB changed Time       Rate (KB/hour)
------------- ---------- ---------- ---------- --------------
hourly.2      hourly.1   2336       1d 12:00   64.888
hourly.3      hourly.2   1536       0d 04:00   384.000
hourly.4      hourly.3   1420       0d 04:00   355.000
nightly.0     hourly.4   1568       0d 12:00   130.666
Summary... 
From Snapshot To         KB changed Time       Rate (KB/hour) 
------------- ---------- ---------- ---------- --------------
nightly.0     hourly.1   6860       2d 08:00   122.500

Parent topic: Displaying the rate of change of data, between two Snapshot copies