9.5.1 swstestupdate (Update Volume Measurement Command)

NAME

swstestupdate - measures the physical capacity of a Snap Data Volume

SYNOPSIS

To Start Update Volume Measurements (Setting Up Monitor Session)

/opt/FJSVswsts/bin/swstestupdate start volumeName

To Look Up Update Volume (Displaying Status of Monitor Session)

/opt/FJSVswsts/bin/swstestupdate status volumeName

To Finish Update Volume Measurements (Cancelling Monitor Session)

/opt/FJSVswsts/bin/swstestupdate stop volumeName

DESCRIPTION

This command measures the physical capacity of a Snap Data Volume.

To Start Update Volume Measurements (Setting Up Monitor Session): Specify "start" as the subcommand to start measure of the physical capacity of a Snap Data Volume.

To Look Up Update Volume (Displaying Status of Monitor Session)

Specify "status" as the subcommand to display the physical capacity of a Snap Data Volume.
The following information will be displayed:

Title	Description
Volume-Name	The volume name.
Update	The amount of data that has been updated since measurements started in the number of blocks (1 block = 512 bytes). Displays "----" if there is no monitor session. Displays "failed" if the monitor session is error-suspended.

Title

Description

Volume-Name

The volume name.

Update

The amount of data that has been updated since measurements started in the number of blocks (1 block = 512 bytes).

Displays "----" if there is no monitor session.
Displays "failed" if the monitor session is error-suspended.

To Finish Update Volume Measurements (Cancelling Monitor Session): Specify "stop" as the subcommand to stop measure of the physical capacity of a Snap Data Volume

OPERANDS

volumeName

Specifies the volume name.
Specify a copy source volume that is used with SnapOPC/SnapOPC+ operations
GDS logical volumes cannot be specified.

EXIT STATUS

=0: Completed successfully
>0: Terminated abnormally

EXAMPLES

Measure the update volume:

(Start taking measurements by starting a monitor session)
#/opt/FJSVswsts/bin/swstestupdate start /dev/dsk/c1t0d0s1
/dev/dsk/c1t0d0s1 swstestupdate completed

(First measurement)
#/opt/FJSVswsts/bin/swstestupdate status /dev/dsk/c1t0d0s1
Volume-Name       Update
/dev/dsk/c1t0d0s1 644333

(Second measurement)
#/opt/FJSVswsts/bin/swstestupdate status /dev/dsk/c1t0d0s1
Volume-Name       Update
/dev/dsk/c1t0d0s1 1045000

(Stop taking measurements by cancelling the monitor session)
# /opt/FJSVswsts/bin/swstestupdate stop /dev/dsk/c1t0d0s1
/dev/dsk/c1t0d0s1 swstestupdate completed
#

NOTES

The amount of data updated cannot be measured in the following cases:
- When the specified volume does not exist.
- When the specified volume is TFOV.
- When the ETERNUS Disk storage system device does not support the SnapOPC/SnapOPC+ function.
- When the monitor session has already been set up (i.e., when the "start" option is specified).
- When the monitor session does not exist (i.e., when the "stop" option is specified).