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Special Forums Hardware Filesystems, Disks and Memory iostat output vs TPC output (array layer) Post 302517481 by arizah on Wednesday 27th of April 2011 01:27:53 AM
Old 04-27-2011
Thanks for the lines. Day by day becomes trickier. We are moving from IBM DS800 storage to a new Hitachi Storage and it looks like performance is a lot better. I suppose bigger cache at the Storage subsystem make a big difference but then you may face other bottlenecks like network latency or fiber channels congestions. Also in the near futture we will be migrating to a new Power7 server where most of these bottleneck suppose to disapear. Thanks again.
 

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dxdw(8) 						      System Manager's Manual							   dxdw(8)

NAME
dxdw - Runs and repeats command line commands SYNOPSIS
/usr/bin/X11/dxdw [-c initial_command] OPTIONS
Specifies the command to run. The command string must be enclosed in double quotes if it contains any spaces or special characters inter- preted by the shell. Display Window accepts all of the standard X Toolkit command line options, which are documented in the OPTIONS section of the X(1X) refer- ence page. DESCRIPTION
The Display Window application, dxdw, can be used to run commands at specified time intervals. You can use Display Window to: Run a command and display a transcript of the output Repeat a command at regular intervals Print the output to the default printer Save the output to a file You can use Display Window to run common commands without starting up a full xterm. The optional -c option specifies an initial command. The Display Window application presents a transcript containing the current command, its output, and its command-line error messages. You can change the command after the application starts. The transcript area is output-only, so you cannot use Display Window to run commands that require user interaction on the command line. The Display Window application can be invoked from the CDE Application Manager from the following categories: Application Group: System_Admin System Admin Subgroup: Daily Admin When the Display Window main window invoked, the transcript is empty because there is no command running. Enter a command to run in the Command input text field. Because Display Window can be started with a default initial command, several launchpoints have been created in the Application Manager to run specific command-line applications. These applications include I/O Statistics (iostat), Network Statistics (netstat), Virtual Memory Statistics (vmstat), and Who? (who). To start one of the preceding applications within Display Window from the CDE desktop: Click on the Application Manager icon on the CDE front panel. Double click on the System_Admin application group icon. Double click on the Tools application group icon. Double click on the icon for the command you want to run in the Display Window application. The Display Window application invokes the command once. The output from the command is displayed in the transcript area. You can also start Display Window from the command line. To start Display Window from the command line, enter the following: /usr/bin/X11/dxdw [-c initial_command] The -c option specifies the command string to run when Display Window is started. On the command line, the command string must be enclosed in double quotes if it contains any spaces or special characters interpreted by the shell. The command string can be any of the following: A single command A series of commands in a pipeline (|) A series of commands separated by semicolons After Display Window starts, a new command string can be entered in the Command input text field. In the graphical user interface, it is not necessary to enclose the command string in double quotes. To enter a new command string: Clear the Command input text field if a command is already present. Enter a new command string in the Com- mand input text field. Press the Return key in the Command input text field to run the command. EXAMPLES
The following example runs the iostat command one time in the Display Window application. You can use the Repeat Every dialog box to repeat the command at regular intervals. dxdw -c iostat The following examples show how to use Display Window from the command line. dxdw -c df dxdw -c "ps -aef" dxdw -c "ps -aef | grep dxdw" dxdw -c "mount; showmount" You can view the Display Window online help volume without run- ning the application. To open the Display Window help volume from the command line, enter the following command: /usr/dt/bin/dthelpview -h /usr/dt/appconfig/help/C/Dxdw.sdl FILES
Contains the Display Window application executable Contains the Display Window help volume Contains the default values for the applica- tion's X resources SEE ALSO
Commands: iostat(1), netstat(1), vmstat(1), who(1), X(1X) dxdw(8)
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